| Title |
Standard No. |
Implemented On |
| Chemical reagent--Ethanol | GB/T 678-1990 | |
| Chemical reagent—General method for the determination of total nitrogen | GB/T 609-2018 | 2019-1-1 |
| Chemical reagent—Stannous chloride dihydrate | GB/T 638-2018 | 2019-1-1 |
| General rule for biochemical reagents | GB/T 35507-2017 | 2018-7-1 |
| Chemical reagent―General method for the determination of nitrate | GB/T 35496-2017 | 2018-7-1 |
| Method of performance testing for quadrupole inductively coupled plasma mass spectrometer | GB/T 34826-2017 | 2018-5-1 |
| Chemical reagent-General rules for the ion chromatography | GB/T 34672-2017 | 2018-5-1 |
| Chemical reagent-General method for the determination of aldehyde | GB/T 34704-2017 | 2018-5-1 |
| Method of performance testing for liquid chromatography-tandem quadrupole mass spectrometry | GB/T 35410-2017 | 2018-4-1 |
| Determination of the activity of beta-galactosidase--Spectrophotometric method | GB/T 33409-2016 | 2017-7-1 |
| Determination of the activity of protease K in biochemical reagents | GB/T 33410-2016 | 2017-7-1 |
| Determination of hydroxycitric acid in biochemical products--HPLC method | GB/T 33412-2016 | 2017-7-1 |
| Chemical reagent一 N，N一dimethyl一P一phenylenediamine dihydrochloride | GB/T 33089-2016 | 2017-5-1 |
| Chemical reagent- Pararosaniline hydrochloride solution | GB/T 33088-2016 | 2017-5-1 |
| Ultra pure water for instrumental analysis specification and test methods | GB/T 33087-2016 | 2017-5-1 |
| Chemical reagent- N-(1-naphthyl) ethylenediamine dihydrochloride | GB/T 33090-2016 | 2017-5-1 |
| Specific solid enzyme(ALD,TIM,GDH)reagent for determination of fructose diphosphate(FDP) | GB/T 32226-2015 | 2016-7-1 |
| Chemical reagent―Cyclohexane | GB/T 14305-2015 | 2016-5-1 |
| Chemical reagent―Ammonium sulfate | GB/T 1396-2015 | 2016-2-1 |
| Chemical reagent―Hydrobromie acid | GB/T 621-2015 | 2016-2-1 |
| Chemical reagent―Potassium carbonate anhydrous | GB/T 1397-2015 | 2016-2-1 |
| Chemical reagent―Ammonium thiocyanate | GB/T 660-2015 | 2015-12-1 |
| Chemical reagent―L(+)-Ascorbic acid | GB/T 15347-2015 | 2015-12-1 |
| Chemical reagent―Sodium acetate anhydrous | GB/T 694-2015 | 2015-12-1 |
| Chemical reagent―Potassium bromate | GB/T 650-2015 | 2015-12-1 |
| Chemical reagent―Hexamethylene tetramine | GB/T 1400-2014 | 2015-3-1 |
| General Rule for Test Methods of Highly Purified Reagents | GB/T 30301-2013 | 2014-8-1 |
| Chemical Reagent - Formaldehyde Solution | GB/T 685-2013 | 2014-8-1 |
| Chemical Reagent - Cobalt Nitrate Hexahydrate | GB/T 15898-2013 | 2014-8-1 |
| Chemical Reagent - Phosphoric Acid | GB/T 1282-2013 | 2014-8-1 |
| Chemical Reagent -Xylene | GB/T 16494-2013 | 2014-8-1 |
| Chemical Reagent - Methanol for High Performance Liquid Chromatography Eluent | HG/T 4581-2013 | 2014-3-1 |
| Chemical Reagent - Potassium Chromate | HG/T 3440-2013 | 2014-3-1 |
| Chemical Reagent - Thiourea | HG/T 3454-2013 | 2014-3-1 |
| Chemical Reagent - Devarda’s Alloy | HG/T 3438-2013 | 2014-3-1 |
| Chemical Reagent - Sucrose | HG/T 3462-2013 | 2014-3-1 |
| Chemical Reagent - Acetonitrile for High Performance Liquid Chromatography Eluent | HG/T 4582-2013 | 2014-3-1 |
| Chemical reagent—Packaging and marking | GB 15346-2012 | 2013-10-1 |
| Chemical reagent - Aniline | GB/T 691-2012 | 2013-8-1 |
| The Guide for Drafting in Report of Gas Reference Materials | HG/T 4297-2012 | 2012-11-1 |
| Chemical reagent — Aluminium potassium sulfate dodecahydrate | HG/T 4195-2011 | 2012-7-1 |
| Chemical reagent-Barium hydroxide octahydrate （ISO 6353-3：1987，Reagents for chemical analysis- | HG/T 2629-2011 | 2012-7-1 |
| Chemical reagent-Isoamyl alcohol（3-Methyl-1-butanol） | HG/T 2891-2011 | 2012-7-1 |
| Chemical reagent-Barium sulfate | HG/T 3033-2011 | 2012-7-1 |
| Chemical reagent—Zinc oxide | HG/T 2890-2011 | 2012-7-1 |
| Chemical reagent— Sodium carbonate decahydrate | HG/T 4196-2011 | 2012-7-1 |
| Chemical reagent-Starch soluble | HG/T 2759-2011 | 2012-7-1 |
| Chemical reagent-Test method for polarity constant of liquid stationary phase in gas chromatography | HG/T 3500-2011 | 2012-7-1 |
| Chemical reagent-Zinc chloride | HG/T 2760-2011 | 2012-7-1 |
| Chemical reagent-Determination of the effective plate number of solid support in a gas chromatography | HG/T 3501-2011 | 2012-7-1 |
| Chemical reagent—Barium carbonate | GB/T 654-2011 | 2012-6-1 |
| Chemical reagent—Sodium dihydrogen phosphate dihydrate | GB/T 1267-2011 | 2012-6-1 |
| Determination of intergranular corrosion of 5XXX series aluminum alloys by mass loss | GB/T 26491-2011 | 2012-2-1 |
| Chemical reagent—Hexaammonium heptamolybdate tetrahydrate | GB/T 657-2011 | 2011-12-1 |
| Chemical reagent—Perchloric acid | GB/T 623-2011 | 2011-12-1 |
| Chemical reagent—Sodium nitrate | GB/T 636-2011 | 2011-12-1 |
| Chemical reagent—Tributyl phosphate | GB/T 15354-2011 | 2011-12-1 |
| Chemical reagent—Iron(Ⅱ)sulfate heptahydrate | GB/T 664-2011 | 2011-12-1 |
| Chemical reagent—Barium nitrate | GB/T 653-2011 | 2011-12-1 |
| Chemical reagent—Iodine | GB/T 675-2011 | 2011-12-1 |
| Chemical reagent—Ammonium iron(Ⅱ) sulfate hexahydrate | GB/T 661-2011 | 2011-12-1 |
| Chemical reagent - Potassium fluoride dihydrate | GB/T 1271-2011 | 2011-12-1 |
| Chemical reagent—Zinc sulfate heptahydrate | GB/T 666-2011 | 2011-12-1 |
| Chemical reagent—Boric acid | GB/T 628-2011 | 2011-12-1 |
| Chemical reagent—Potassium thiocyanate | GB/T 648-2011 | 2011-12-1 |
| Chemical reagent—Glycerol | GB/T 687-2011 | 2011-12-1 |
| Chemical reagent—Acetic anhydride | GB/T 677-2011 | 2011-12-1 |
| Chemical reagent—Potassium chloride | GB/T 646-2011 | 2011-12-1 |
| Chemical reagent—Potassium chlorate | GB/T 645-2011 | 2011-12-1 |
| Chemical reagent—Potassium peroxydisulfate | GB/T 641-2011 | 2011-12-1 |
| Chemical reagent—Potassium iodate | GB/T 651-2011 | 2011-12-1 |
| Chemical reagent—Hydrofluoric acid | GB/T 620-2011 | 2011-12-1 |
| Chemical reagent - Potassium sodium tartrate tetrahydrate | GB/T 1288-2011 | 2011-12-1 |
| Chemical reagent—Potassium nitrate | GB/T 647-2011 | 2011-12-1 |
| Chemical reagent—Ammonium nitrate | GB/T 659-2011 | 2011-12-1 |
| Chemical reagent—Potassium hexacyanoferrate(Ⅲ) | GB/T 644-2011 | 2011-12-1 |
| Chemical reagent - Potassium dihydrogen phosphate | GB/T 1274-2011 | 2011-12-1 |
| Chemical reagent—Carbon tetrachloride | GB/T 688-2011 | 2011-12-1 |
| Chemical reagent - Bromine | GB/T 1281-2011 | 2011-12-1 |
| Chemical Reagent - Ammonium Persulfate | GB/T 655-2011 | 2011-10-1 |
| Chemical reagent-Isopropyl alcohol | HG/T 2892-2010 | 2011-3-1 |
| Chemical reagent—Lead(Ⅱ) Acetate Trihydrate | HG/T 2630-2010 | 2011-3-1 |
| Chemical reagent-Phenolphthalien | HG/T 4101-2009 | 2010-6-1 |
| Chemical reagent - Phenol red | HG/T 4100-2009 | 2010-6-1 |
| Chemical reagent - Cresol red | HG/T 4102-2009 | 2010-6-1 |
| Chemical reagent - Bromophenol blue | HG/T 4099-2009 | 2010-6-1 |
| Chemical reagent - General method for the determination of organic nitrogen compounds | HG/T 4103-2009 | 2010-6-1 |
| Chemical reagent—General rules for inductively coupled plasma atomic emission spectrometry | GB/T 23942-2009 | 2010-2-1 |
| Chemical reagent—General method for the determination of specific optical rotatory power(specific optical rotation) | GB/T 613-2007/XG1-2009 | 2009-7-1 |
| pH Primary reagent—Disodium hydrogen phosphate | GB 6854-2008 | 2009-6-1 |
| Working chemical—Potassium iodate | GB 1258-2008 | 2009-6-1 |
| Working chemical - Calcium carbonate | GB 12596-2008 | 2009-6-1 |
| Working chemical—Silver nitrate | GB 12595-2008 | 2009-6-1 |
| chemical - Ethylenediamine tetraacetic acid disodium salt | GB 10734-2008 | 2009-6-1 |
| pH primary reagent - General rules for certification | GB 6851-2008 | 2009-6-1 |
| pH Primary reagent—Potassium hydrogen phthalate | GB 6857-2008 | 2009-6-1 |
| Primary chemical - Potassium dichromate | GB 10731-2008 | 2009-6-1 |
| Working chemical - Benzoic acid | GB 12597-2008 | 2009-6-1 |
| Primary chemical - Potassium chloride | GB 10732-2008 | 2009-6-1 |
| chemical - Potassium chloride | GB 10736-2008 | 2009-6-1 |
| Working chemical - Zinc oxide | GB 1260-2008 | 2009-6-1 |
| Working chemical - Potassium bromate | GB 12594-2008 | 2009-6-1 |
| Working chemical—Arsenic trioxide | GB 1256-2008 | 2009-6-1 |
| chemical - Sodium carbonate anhydrous | GB 10735-2008 | 2009-6-1 |
| pH Primary reagent - Sodium tetraborate decahydrate | GB 6856-2008 | 2009-6-1 |
| pH Primary reagent - Potassium dihydrogen phosphate | GB 6853-2008 | 2009-6-1 |
| Primary chemical - Potassium hydrogen phthalate | GB 10730-2008 | 2009-6-1 |
| Primary chemical - Sodium chloride | GB 10733-2008 | 2009-6-1 |
| Chemical reagent - Ammonium iron（III）sulfate dodecahydrate | GB/T 1279-2008 | 2008-11-1 |
| Chemical reagent - Petroleum ether | GB/T 15894-2008 | 2008-11-1 |
| Chemical reagent - Potassium hydroxide | GB/T 2306-2008 | 2008-11-1 |
| Chemical reagent - General method for the determination of residue after ignition | GB/T 9741-2008 | 2008-11-1 |
| Chemical reagent - Ammonium acetate | GB/T 1292-2008 | 2008-11-1 |
| Chemical Reagent - General Method for the Determination of Arsenic | GB/T 610-2008 | 2008-11-1 |
| Chemical reagent - General method for the determination of carbonyl compounds | GB/T 9733-2008 | 2008-11-1 |
| Chemical reagent - General method for the determination of acidity and alkalinity | GB/T 9736-2008 | 2008-11-1 |
| Chemical Reagent-General Method for the Determination of Aluminium | GB/T 9734-2008 | 2008-11-1 |
| Chemical reagent - Disodium tetraborate decahydrate | GB/T 632-2008 | 2008-11-1 |
| Chemical reagent - General method for the determination of silicate | GB/T 9742-2008 | 2008-11-1 |
| Chemical reagent - n-Butanol | GB/T 12590-2008 | 2008-11-1 |
| Chemical reagent - General method for the determination of dry residue after evaporation | GB/T 9740-2008 | 2008-11-1 |
| Chemical reagent - The general rules of anodic stripping voltammetry | GB/T 3914-2008 | 2008-11-1 |
| Chemical reagent - Benzene | GB/T 690-2008 | 2008-11-1 |
| Chemical reagent - L(+)-Tartaric acid | GB/T 1294-2008 | 2008-11-1 |
| Chemical Reagent - General Method for the Determination of Heavy Metals | GB/T 9735-2008 | 2008-11-1 |
| Chemical reagent - Nickel chloride hexahydrate | GB/T 15355-2008 | 2008-11-1 |
| Water for analytical laboratory use - Specification and test methods | GB/T 6682-2008 | 2008-11-1 |
| Chemical reagent - Potassium hydrogen phthalate | GB/T 1291-2008 | 2008-11-1 |
| Chemical reagent - Sodium sulfate anhydrous | GB/T 9853-2008 | 2008-11-1 |
| Chemical reagent - General rules for the determination of readily carbonizable substances | GB/T 9737-2008 | 2008-11-1 |
| Chemical reagent - Potassium permanganate | GB/T 643-2008 | 2008-11-1 |
| Chemical reagent - Acetone | GB/T 686-2008 | 2008-11-1 |
| Chemical reagent - Potassium hexacyanoferrate(Ⅱ)trihydrate | GB/T 1273-2008 | 2008-11-1 |
| Chemical reagent - 5-Sulfosalicylic acid dihydrate | GB/T 10705-2008 | 2008-11-1 |
| Chemical reagent - Urea | GB/T 696-2008 | 2008-11-1 |
| Chemical reagent - Zinc granular free from arsenic | GB/T 2304-2008 | 2008-11-1 |
| Chemical reagent - Oxalic acid dihydrate | GB/T 9854-2008 | 2008-11-1 |
| Chemical Reagent - General Method for the Determination of Water Insoluble Matter | GB/T 9738-2008 | 2008-11-1 |
| Chemical reagent - Bromocresol green | HG/T 4017-2008 | 2008-10-1 |
| Chemical reagent - 2, 2 - Bipyridyl | HG/T 4013-2008 | 2008-10-1 |
| Chemical reagent—Bromothmol blue | HG/T 4012-2008 | 2008-10-1 |
| Chemical reagent - 8-Hydroxyquinoline | HG/T 4014-2008 | 2008-10-1 |
| Chemical reagent—m-Cresol purple | HG/T 4019-2008 | 2008-10-1 |
| Microbeam analysis - Electron probe microanalysis - Guidelines for the specification of certified reference materials (CRMs) | GB/T 4930-2008 | 2008-10-1 |
| Chemical reagent - Thymol blue | HG/T 4010-2008 | 2008-10-1 |
| Chemical reagent—1,10-Phenanthroline | HG/T 4018-2008 | 2008-10-1 |
| Chemical reagent - Sodium diethyldithiocarbamate trihydrate | HG/T 4016-2008 | 2008-10-1 |
| Chemical reagent.General method for the determination of pH ranges corresponding the colour transition of acid-base indicators | HG/T 4015-2008 | 2008-10-1 |
| Chemical reagent - Nickel sulfate hexahydrate | HG/T 4020-2008 | 2008-10-1 |
| Chemical reagent—Thymol phthalein | HG/T 4011-2008 | 2008-10-1 |
| Chemical reagent—Sodium pyrosulfite | HG/T 4021-2008 | 2008-10-1 |
| Chemical reagent—General method for the determination of chloride | GB/T 9729-2007 | 2008-4-1 |
| Chemical reagent—General method for the determination of oxalates | GB/T 9730-2007 | 2008-4-1 |
| Chemical Reagent - General Method for the Determination of Phosphate | GB/T 9727-2007 | 2008-4-1 |
| Chemical reagent—General rule for the determination of permanganate-reducing substances | GB/T 9726-2007 | 2008-4-1 |
| Chemical reagent - General method for the determination of specific optical rotatory power (specific optical rotation) | GB/T 613-2007 | 2008-4-1 |
| Chemical Reagent - General Rule for Flame Atomic Absorption Spectrometry Analysis | GB/T 9723-2007 | 2008-4-1 |
| Chemical reagent—Potassium iodide | GB/T 1272-2007 | 2008-4-1 |
| Working chemical—Sodium oxalate | GB 1254-2007 | 2008-4-1 |
| Chemical reagent—General method for the determination of metals by solvent extraction followed by AAS | GB/T 10726-2007 | 2008-4-1 |
| Chemical reagent - Silver nitrate | GB/T 670-2007 | 2008-4-1 |
| Chemical reagent—General rule for potentiometric titration | GB/T 9725-2007 | 2008-4-1 |
| Chemical reagent—General rule for the determination of pH | GB/T 9724-2007 | 2008-4-1 |
| Chemical Reagent - Acetic Acid | GB/T 676-2007 | 2008-4-1 |
| Chemical reagent - Sulfuric acid | GB/T 625-2007 | 2008-4-1 |
| Chemical Reagent - General Method for the Determination of Sulphate | GB/T 9728-2007 | 2008-4-1 |
| Chemical reagent—General method for the determination of ammonium | GB/T 9732-2007 | 2008-4-1 |
| Working chemical—Potassium hydrogen phthalate | GB 1257-2007 | 2008-4-1 |
| Chemical reagent—Ethyl acetate | GB/T 12589-2007 | 2008-4-1 |
| Working chemical—Ethylenediaminetetraacetic acid disodium salt | GB 12593-2007 | 2008-4-1 |
| Chemical reagent - Copper (Ⅱ) sulfate pentahydrate | GB/T 665-2007 | 2008-4-1 |
| Chemical reagent—Hydroxylammonium chloride | GB/T 6685-2007 | 2008-4-1 |
| Chemical reagent - Ammonia solution | GB/T 631-2007 | 2008-4-1 |
| Chemical reagent - Tin(Ⅱ) Chloride dihydrate | GB/T 638-2007 | 2008-4-1 |
| Chemical reagent—General method for the determination of sulphur compounds | GB/T 9731-2007 | 2008-4-1 |
| Working chemical—Sodium chloride | GB 1253-2007 | 2008-4-1 |
| Working chemical—Potassium dichromate | GB 1259-2007 | 2007-11-1 |
| Working chemical—General rules for assay—Weight titration | GB 10738-2007 | 2007-11-1 |
| Working chemical—Sodium carbonate anhydrous | GB 1255-2007 | 2007-11-1 |
| working chemical—General rules for assay—Weight titration (potentiometric method) | GB 10737-2007 | 2007-11-1 |
| Chemical reagent - Methanol | GB/T 683-2006 | 2007-6-1 |
| Chemical reagent - Sodium thiosulfate pentahydrate | GB/T 637-2006 | 2007-6-1 |
| Chemical reagent - Magnesium chloride hexahydrate | GB/T 672-2006 | 2007-6-1 |
| Chemical Reagent - General Method for the Determination of Total Nitrogen | GB/T 609-2006 | 2007-6-1 |
| Chemicalreagent - General method for the determination of melting range | GB/T 617-2006 | 2007-6-1 |
| Chemical reagent - General method for the measurement of colour | GB/T 605-2006 | 2007-6-1 |
| Chemical reagent - Nitric acid | GB/T 626-2006 | 2007-6-1 |
| Chemical reagent - General method for the determination of density | GB/T 611-2006 | 2007-6-1 |
| Chemical reagent - General method for the determination of iron | GB/T 9739-2006 | 2007-6-1 |
| Chemical reagent - Ammonium chloride | GB/T 658-2006 | 2007-6-1 |
| Chemical reagent - Arsenic trioxide | GB/T 673-2006 | 2007-6-1 |
| Chemical reagent - General method for the determination of refractive index | GB/T 614-2006 | 2007-6-1 |
| Chemical reagent - General method for the determination of boiling point | GB/T 616-2006 | 2007-6-1 |
| Chemical reagent - General method for the determination of distillation range | GB/T 615-2006 | 2007-6-1 |
| Chemical reagent - Hydrochloric acid | GB/T 622-2006 | 2007-6-1 |
| Chemicalreagent - General method for the determination of crystallizing point | GB/T 618-2006 | 2007-6-1 |
| Chemical reagent-Regulations for sampling and acceptance | HG/T 3921-2006 | 2007-5-1 |
| Chemical reagent - General rules for the molecular absorption spectrophotometry (ultraviolet and visible) | GB/T 9721-2006 | 2007-4-1 |
| Chemical reagent - Sodium chloride | GB/T 1266-2006 | 2007-4-1 |
| Chemical reagent - Disodium hydrogen phosphate dodecahydrate | GB/T 1263-2006 | 2007-4-1 |
| Heavy magnesium oxide for industrial use | HG/T 2679-2006 | 2007-3-1 |
| Classifying and Code nomenclature of Water treatment chemicals | HG/T 2762-2006 | 2007-3-1 |
| Chemical reagent—General rules for the gas chromatography | GB/T 9722-2006 | 2006-11-1 |
| Hollow glass block | JC/T 1007-2006 | 2006-10-1 |
| Chemical reagent Cobalt (II) sulfate heptahydrate | HG/T 2631-2005 | 2006-1-1 |
| Feed grade mono-dicalcium phosphate | HG/T 3776-2005 | 2006-1-1 |
| Feed grade cobalt sulfate | HG/T 3775-2005 | 2006-1-1 |
| Feed grade diammonium hydrogen phosphate | HG/T 3774-2005 | 2006-1-1 |
| nitrate for photograph | YS/T 476-2005 | 2005-12-1 |
| Hide powder (slightly chromated) | LY/T 1639-2005 | 2005-12-1 |
| Directives for the work of reference materials（9）—Calibration in analytical chemistry and use of certified reference materials | GB/T 15000.9-2004 | 2005-6-1 |
| Chemical reagent 1 4--Dioxane | HG/T 3499-2004 | 2005-6-1 |
| Chemical Reagent - Lead Nitrate | HG/T 3470-2000 | 2005-5-1 |
| Chemical reagent Vanadium pentoxide | HG/T 3485-2003 | 2004-5-1 |
| Chemical reagent Manganous nitrate,50% solution | HG/T 3467-2003 | 2004-5-1 |
| Chemical reagent Ethylenediamine tetraacetic acid | HG/T 3457-2003 | 2004-5-1 |
| Chemical reagent Potassium pyrosulfate | HG/T 3441-2003 | 2004-5-1 |
| Chemical reagent Tin (Ⅳ) chloride pentahydrate | HG/T 3488-2003 | 2004-5-1 |
| Chemical reagent Iron powder reduced | HG/T 3473-2003 | 2004-5-1 |
| Chemical reagent Copper(Ⅱ) nitrate trihydrate | HG/T 3443-2003 | 2004-5-1 |
| Chemical reagent Copper oxide wire | HG/T 3490-2003 | 2004-5-1 |
| Chemical reagent Antimony trichloride | HG/T 3464-2003 | 2004-5-1 |
| Chemical reagent Nitrobenzene | HG/T 3451-2003 | 2004-5-1 |
| Chemical reagent Sodium hydrogen sulfite | HG/T 3492-2003 | 2004-5-1 |
| Chemical reagent Lithium chloride monohydrate | HG/T 3482-2003 | 2004-5-1 |
| Chemical reagent Chromium trioxide | HG/T 3444-2003 | 2004-5-1 |
| Chemical reagent Nitric acid fuming | HG/T 3447-2003 | 2004-5-1 |
| Chemical reagent Mercury (Ⅱ) oxide yellow | HG/T 3469-2003 | 2004-5-1 |
| Chemical reagent Nickel (Ⅱ) nitrate hexahydrate | HG/T 3448-2003 | 2004-5-1 |
| Chemical reagent Chloroauric acid hydrated | HG/T 3446-2003 | 2004-5-1 |
| Chemical reagent—Sodium bromide | GB/T 1265-2003 | 2004-5-1 |
| Chemical reagent Ammonium metavanadate | HG/T 3445-2003 | 2004-5-1 |
| Chemical reagent—Copper(Ⅱ)oxide powder | GB/T 674-2003 | 2004-5-1 |
| Chemical reagent - General method for the determination of water - Karl Fischer method | GB/T 606-2003 | 2004-5-1 |
| Chemical reagent Sodium tetraphenylboron | HG/T 3483-2003 | 2004-5-1 |
| Chemical reagent—Ammonium dichromate | GB/T 656-2003 | 2004-5-1 |
| Chemical reagent Maleic anhydride | HG/T 3459-2003 | 2004-5-1 |
| Chemical reagent iso - Amyl acetate | HG/T 3460-2003 | 2004-5-1 |
| Chemical reagent o-Phthalic anhydride | HG/T 3479-2003 | 2004-5-1 |
| Chemical reagent—Barium chloride dihydrate | GB/T 652-2003 | 2003-9-1 |
| Chemical reagent--General method for the determination of pH ranges corresponding the colour transition of acid-base indicators | GB/T 604-1988 | 2003-4-1 |
| Chemical reagent--Ethanol | GB/T 679-2002 | 2003-4-1 |
| Chemical reagent--Ethanol | GB/T 678-2002 | 2002-12-1 |
| Chemical reagent--Hydrogen peroxide 30% | GB/T 6684-2002 | 2002-12-1 |
| Chemical reagent--Trichloromethane | GB/T 682-2002 | 2002-12-1 |
| Chemical reagent-Diethyl ether | GB/T 12591-2002 | 2002-1-2 |
| Chemical reagent Iron(Ⅲ)chloride hexahydrate | HG/T 3474-2000 | 2001-5-1 |
| Chemical reagent Copper(Ⅰ)chloride | HG/T 3489-2000 | 2001-5-1 |
| Chemical reagent Cyclohexanone | HG/T 3455-2000 | 2001-5-1 |
| Chemical reagent Ethylenediamine | HG/T 3486-2000 | 2001-5-1 |
| Chemical reagent Mercury(Ⅱ)chloride | HG/T 3468-2000 | 2001-5-1 |
| Chemical reagent Arsenazo Ⅲ | HG/T 3463-2000 | 2001-5-1 |
| Chemical reagent Aminoacetic acid | HG/T 3480-2000 | 2001-5-1 |
| Chemical reagent Benzoic acid | HG/T 3458-2000 | 2001-5-1 |
| Chemical reagent Mercury | HG/T 3471-2000 | 2001-5-1 |
| Chemical reagent sodium dichromate dihydrate | HG/T 3439-2000 | 2001-5-1 |
| Chemical reagent Alizarin yellow R | HG/T 3496-2000 | 2001-5-1 |
| Chemical reagent di-Ammonium hydrogen citrate | HG/T 3497-2000 | 2001-5-1 |
| Chemical reagent Aluminium sulfate octadecahydrate | HG/T 3442-2000 | 2001-5-1 |
| Chemical reagent Ninhydrin | HG/T 3456-2000 | 2001-5-1 |
| Chemical reagent tri - Sodium phosphate dodecahyd rate | HG/T 3493-2000 | 2001-5-1 |
| Chemical reagent di - Potassium hydrogen phosphate trihydrate | HG/T 3487-2000 | 2001-5-1 |
| Chemical reagent 2,4-Dinitrophenylhydrazine | HG/T 3452-2000 | 2001-5-1 |
| Chemical reagent Sodium sulfite anhydrous | HG/T 3472-2000 | 2001-5-1 |
| Phosphorus pentoxide | GB/T 2305-2000 | 2001-3-1 |
| General technical conditions for crude oil demulsifiers | SY/T 5280-2000 | 2000-10-1 |
| Chemical Reagent - Standard of Clear Liquor, Made from Glass Dust, and Standard of Transparence | HG/T 3484-1999 | 2000-6-1 |
| Chemical reagent-4 - Methyl-2 - Pentanone | HG/T 3481-1999 | 2000-6-1 |
| Chemical reagent-Potassium dichromate | GB/T 642-1999 | 2000-6-1 |
| Chemical reagent--Ammonium fluoride | GB/T 1276-1999 | 2000-6-1 |
| Chemical reagent-sodium tartrate dihydrate | HG/T 3478-1999 | 2000-6-1 |
| Chemical reagent - Butanedione dioxime | HG/T 3450-1999 | 2000-6-1 |
| Chemical reagent-Potassium bromide | GB/T 649-1999 | 2000-6-1 |
| Chemical reagent-Fluorescein | HG/T 3494-1999 | 2000-6-1 |
| Chemical reagent--Toluene | GB/T 684-1999 | 2000-6-1 |
| Chemical reagent-Charcoal activated | HG/T 3491-1999 | 2000-6-1 |
| Chemical reagent--Preparations of stock standard solutions | GB/T 602-1988 | 2000-6-1 |
| Chemical reagent--Sodium dihydrogen phosphate,dihydrate | GB/T 1267-1999 | 2000-6-1 |
| Chemical reagent-Eosin yellowish | HG/T 3495-1999 | 2000-6-1 |
| Chemical reagent-n - Butyl acetate | HG/T 3498-1999 | 2000-6-1 |
| Chemical reagent - Potassium tartrate semihydrate | HG/T 3477-1999 | 2000-6-1 |
| Chemical reagent-Barium carbonate | GB/T 654-1999 | 2000-6-1 |
| Chemical reagent - Acetic acid 36% | HG/T 3476-1999 | 2000-6-1 |
| Chemical reagent-D-Glucose | HG/T 3475-1999 | 2000-4-1 |
| Chemical reagent--Preparations of reagent solutions for use in test methods | GB/T 603-1988 | 1999-6-1 |
| reagent Ethylenediamine tetraacetic acid disodium salt | GB/T 1401-1998 | 1999-5-1 |
| Chemical reagent N, N-dimethylformamide | GB/T 17521-1998 | 1999-5-1 |
| Chemical reagent -Magnesium sulfate heptahydrate | GB/T 671-1998 | 1999-5-1 |
| Chemical reagent--Sodium thiocyanate | GB/T 1268-1998 | 1999-5-1 |
| Chemical reagent- Pyridine | GB/T 689-1998 | 1999-5-1 |
| Chemical reagent Potassium hydroxide | GB/T 2306-1997 | 1998-2-1 |
| Chemical reagent Phosphoric acid | GB/T 1282-1996 | 1997-2-1 |
| Chemical reagent－Zinc nitrate hexahydrate | GB/T 667-1995 | 1996-8-1 |
| Chemical reagent Manganese sulfate monohydrate | GB/T 15899-1995 | 1996-8-1 |
| Chemical reagent－Sodium acetate anhydrous | GB/T 694-1995 | 1996-8-1 |
| reagent Potassium carbonate | GB/T 1397-1995 | 1996-8-1 |
| Chemical reagent Calcium carbonate | GB/T 15897-1995 | 1996-8-1 |
| Chemical reagent Formic acid | GB/T 15896-1995 | 1996-8-1 |
| Chemical reagent Copper (Ⅱ) chloride dihydrate | GB/T 15901-1995 | 1996-8-1 |
| Chemical reagent Petroleum ether | GB/T 15894-1995 | 1996-8-1 |
| Chemical reagent 1,2-Dichloroethane | GB/T 15895-1995 | 1996-8-1 |
| Chemical reagent Nickel chloride hexahydrate | GB/T 15355-1994 | 1995-10-1 |
| Chemical reagent－Cadmium chloride | GB/T 1285-1994 | 1995-10-1 |
| Chemical reagent. Sodium nitrite | GB/T 633-1994 | 1995-10-1 |
| Chemical reagent－L-Ascorbic acid | GB/T 15347-1994 | 1995-10-1 |
| Chemical reagent－Ammonium persulfate | GB/T 655-1994 | 1995-10-1 |
| Chemical Reagent - Packaging and Marking | GB 15346-1994 | 1995-10-1 |
| Chemical reagent Bromocresol green | GB/T 15349-1994 | 1995-10-1 |
| Test Method for Low-Temperature Low-Voltage Adsorbability of Adsorbent | QJ 2676-1994 | 1995-1-1 |
| Chemical reagent－Strontium nitrate | GB/T 669-1994 | 1994-12-1 |
| Chemical reagents-95% Alcohol | GB/T 679-1994 | 1994-12-1 |
| Determination of Isocyanate Group Content in Polyurethane Performed Polymer | HG/T 2409-1992 | 1994-12-1 |
| Chemical reagent Ammonium hydrogen difluoride | GB/T 1278-1994 | 1994-12-1 |
| Chemical reagent－Sodium oxalate | GB/T 1289-1994 | 1994-1-2 |
| Chemical reagent－Potassium fluoride dihydrate | GB/T 1271-1994 | 1994-1-2 |
| Chemical reagent－Urea | GB/T 696-1994 | 1994-1-2 |
| Chemical reagents; Perchloric acid | GB/T 623-1992 | 1993-7-1 |
| Chemical reagents;Ammonium thiocyanate | GB/T 660-1992 | 1993-7-1 |
| Chemical reagent; Potassium sodium tartrate | GB/T 1288-1992 | 1993-7-1 |
| Chemical reagents;Benzene | GB/T 690-1992 | 1993-7-1 |
| Chemical reagents;Ammonium ferrous sulfate | GB/T 661-1992 | 1993-7-1 |
| Chemical reagents;Acetic anhydride | GB/T 677-1992 | 1993-7-1 |
| Chemical reagent？Carbon tetrachloride | GB/T 688-1992 | 1993-7-1 |
| Chemical reagents;Bromine | GB/T 1281-1993 | 1993-1-2 |
| Chemical reagents;Potassium dihydrogen phosphate | GB/T 1274-1993 | 1993-1-2 |
| Chemical reagents;Tartaric acid | GB/T 1294-1993 | 1993-1-2 |
| Chemical reagents;Hexamethylene;Tetramine | GB/T 1400-1993 | 1993-1-2 |
| Chemical reagents;Boric acid | GB/T 628-1993 | 1993-1-2 |
| reagents;Ammonium sulfate | GB/T 1396-1993 | 1993-1-2 |
| Chemical reagents;Sodium tetrabonate | GB/T 632-1993 | 1993-1-2 |
| Chemical reagent. Cyclohexane | GB/T 14305-1993 | 1993-1-2 |
| Chemical reagents;Hydrofluoric acid | GB/T 620-1993 | 1993-1-2 |
| Chemical reagents;Methanol | GB/T 683-1993 | 1993-1-2 |
| Chemical reagent. Hydrobromic acid | GB 621-1993 | 1993-1-2 |
| Chemical reagents;Potassium bromate | GB/T 650-1993 | 1993-1-2 |
| Potassium dihydrogen phosphate | HG 2321-1992 | 1992-9-1 |
| Chemical reagent--Diethyl ether | GB 12591-1990 | 1991-12-1 |
| Working chemical Zinc oxide | GB 1260-1990 | 1991-12-1 |
| Working chemical－Arsenic trioxide | GB 1256-1990 | 1991-1-2 |
| Working chemical－Calcium carbonate | GB 12596-1990 | 1991-1-2 |
| Working chemical Potassium bromate | GB 12594-1990 | 1991-1-2 |
| Working chemical－Silver nitrate | GB 12595-1990 | 1991-1-2 |
| Working chemical Potassium iodate | GB 1258-1990 | 1991-1-2 |
| Working chemical－Ethylenediaminetetraacetic acid disodium salt | GB 12593-1990 | 1991-1-2 |
| Chemical reagent n-Butanol | GB 12590-1990 | 1991-1-2 |
| Chemical reagent Ethyl acetate | GB 12589-1990 | 1991-1-2 |
| Chemical reagent Acetic acid | GB 676-1990 | 1991-1-2 |
| Working chemical－Sodium oxalate | GB 1254-1990 | 1991-1-2 |
| Working chemical－Benzoic acid | GB 12597-1990 | 1991-1-2 |
| working chemical Sodium carbonate anhydrous | GB 1255-1990 | 1991-1-2 |
| Primary chemicals; Sodium carbonate | GB 10735-1989 | 1989-12-1 |
| Chemical reagent; Sulfuric acid | GB 625-1989 | 1989-12-1 |
| Primary chemicals; Potassium chloride | GB 10732-1989 | 1989-12-1 |
| Chemical reagent-Hydrochloric acid | GB/T 622-1989 | 1989-12-1 |
| Working chemical-Potassium hydrogen phthalate | GB 1257-1989 | 1989-12-1 |
| Working chemical－General rules for the potentiometric weight titration | GB 10737-1989 | 1989-12-1 |
| Chemical reagent--Chloroform | GB/T 682-1989 | 1989-12-1 |
| Chemical reagent-General method for the determination of melting range | GB/T 617-1988 | 1989-4-1 |
| Chemical reagent-General method for the determination of sulphate | GB/T 9728-1988 | 1989-4-1 |
| Chemical reagent-General method for the determination of crystallizing point | GB/T 618-1988 | 1989-4-1 |
| Chemical reagent-General rules for the molecular absorption spectrophotometry(ultraviolet and visible) | GB/T 9721-1988 | 1989-4-1 |
| Chemical reagent-General method for the determination of carbonyl compounds | GB/T 9733-1988 | 1989-4-1 |
| Chemical reagent-General method for the determination of chloride | GB/T 9729-1988 | 1989-4-1 |
| Chemical reagent-General method for the determination of acidity and alkalinity | GB/T 9736-1988 | 1989-4-1 |
| Chemical reagent-General rules for flame atomic absorption spectrometry | GB/T 9723-1988 | 1989-4-1 |
| Chemical reagent-General method for the determination of specific optical rotation | GB/T 613-1988 | 1989-4-1 |
| Chemical reagent-General method for the determination of total nitrogen | GB/T 609-1988 | 1989-4-1 |
| Chemical reagent-General method for the determination of phosphate | GB 9727-1988 | 1989-4-1 |
| Chemical reagent-General method for the determination of oxalates | GB/T 9730-1988 | 1989-4-1 |
| Chemical reagent-General method for the determination of distillation range | GB/T 615-1988 | 1989-4-1 |
| Chemical reagent-General method for the determination of arsenic | GB/T 610.1-1988 | 1989-4-1 |
| Chemical reagent-General method for the determination of ammonium | GB/T 9732-1988 | 1989-4-1 |
| Chemical reagent-Ammonium chloride | GB/T 658-1988 | 1989-4-1 |
| Chemical reagent-Magnesium oxide | GB/T 9857-1988 | 1989-4-1 |
| Chemical reagent-General rules for potentiometric titration | GB 9725-1988 | 1989-4-1 |
| Chemical reagent-General method for the determination of refractive index | GB/T 614-1988 | 1989-4-1 |
| Chemical reagent-General method for the determination of sulphur compounds | GB/T 9731-1988 | 1989-4-1 |
| Chemical reagent-General method for the determination of iron | GB/T 9739-1988 | 1989-4-1 |
| Chemical reagent-General method for the determination of boiling point | GB/T 616-1988 | 1989-4-1 |
| Chemical reagent-General method for the determination of density | GB/T 611-1988 | 1989-4-1 |
| Chemical reagent-General method for the determination of arsenic (AgDDTC) | GB 610.2-1988 | 1989-4-1 |
| Chemical reagent-Potassium permanganate | GB 643-1988 | 1989-4-1 |
| Chemical reagent-General method for the determination of silicate | GB/T 9742-1988 | 1989-4-1 |
| Chemical reagent-Copper(11) sulfate pentahydrate | GB/T 665-1988 | 1989-4-1 |
| Chemical reagent-Regulations for sampling and acceptance | GB/T 619-1988 | 1989-4-1 |
| Chemical reagent-General method for the determination of water insoluble matter | GB/T 9738-1988 | 1989-4-1 |
| Chemical reagent-General method for the measurement of colour(in Hazen units) | GB 605-1988 | 1989-4-1 |
| Chemical reagent-General method for the determination of heavy metals | GB/T 9735-1988 | 1989-4-1 |
| Chemical reagent-General rules for the gas chromatography | GB/T 9722-1988 | 1989-4-1 |
| Chemical reagent-General method for the determination of dry residue after evaporation | GB/T 9740-1988 | 1989-4-1 |
| Chemical reagent-Barium chloride dihydrate | GB/T 652-1988 | 1989-4-1 |
| Chemical reagent-Oxalic acid dihydrate | GB/T 9854-1988 | 1989-4-1 |
| Chemical reagent; Ammonia solution(25%) | GB/T 631-1989 | 1989-1-2 |
| Primary chemicals; Sodium chloride | GB 10733-1989 | 1989-1-2 |
| Chemical reagent; Nitric acid | GB/T 626-1989 | 1989-1-2 |
| Working chemical－Potassium chloride | GB 10736-1989 | 1989-1-2 |
| Working chemicals; Potassium dichromate | GB 1259-1989 | 1989-1-2 |
| Chemical reagent--8-Hydroxyquinoline | GB/T 10704-1989 | 1989-1-2 |
| Chemical reagent; 5-Sulfosalicylic acid | GB/T 10705-1989 | 1989-1-2 |
| Chemical reagent; General rules for the flameless(gra-phite furnace) atomic absorption spectrometry | GB/T 10724-1989 | 1989-1-2 |
| Working chemicals; Sodium chloride | GB 1253-1989 | 1989-1-2 |
| Working chemical－General rules for the weight titration | GB 10738-1989 | 1989-1-2 |
| Chemical reagent; Ammonium iron(3) sulfate dodecahgdrate | GB/T 1279-1989 | 1989-1-2 |
| Primary chemicals; Potassium hydrogen phthalate | GB 10730-1989 | 1989-1-2 |
| Chemical reagent; General method for the determination of metals by solvent extraction followed by AAS | GB/T 10726-1989 | 1989-1-2 |
| Primary chemical－Potassium dichromate | GB 10731-1989 | 1989-1-2 |
| Chemical reagent; Acetone | GB/T 686-1989 | 1989-1-2 |
| Primary chemicals; Ethylenediamine tetra acetic acide disodium salt | GB 10734-1989 | 1989-1-2 |
| Chemical reagent--General method for the determination of water (Karl Fischer method) | GB/T 606-1988 | 1989-1-1 |
| pH Basic line; Potassium dihydrogen phosphate | GB 6853-1986 | 1987-8-1 |
| pH Basic line; General rules for certification | GB 6851-1986 | 1987-8-1 |
| Chemical reagents--Hydrogen peroxide | GB/T 6684-1986 | 1987-7-1 |
| Chemical reagents; Sodium chloride | GB/T 1266-1986 | 1987-7-1 |
| Chemical reagents; Silver nitrate | GB/T 670-1986 | 1987-7-1 |
| Chemical reagents; Hydroxyl ammonium chloride | GB/T 6685-1986 | 1987-7-1 |
| Chemical reagents; Disodium hydrogen phosphate dodecahydrote | GB/T 1263-1986 | 1987-7-1 |
| Chemical reagents; Ammonium acetate | GB/T 1292-1986 | 1987-7-1 |
| Chemical reagent--Preparations of standard volumetric solutions | GB/T 601-1988 | 1986-2-1 |
| Chemical reagent; Arsenic trioxide | GB/T 673-1984 | 1985-9-1 |
| Chemical reagents;The general rules of anodic stripping voltametry | GB/T 3914-1983 | 1984-7-1 |
| Chemical reagents--Powdered copper oxide | GB/T 674-1978 | 1979-1-1 |
| Basic chemical reagents(volumetry);Anhydrous para-amino-phenyl-sulfonic acid | GB 1261-1977 | 1977-10-1 |
| Chemical reagents--Ammonium dichromate | GB/T 656-1977 | 1977-10-1 |
