Code of China Chinese Classification Professional Classification ICS Classification Latest Value-added Services

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Title Standard No. Implemented On
Chemical reagent--EthanolGB/T 678-1990
Chemical reagent—General method for the determination of total nitrogenGB/T 609-20182019-1-1
Chemical reagent—Stannous chloride dihydrateGB/T 638-20182019-1-1
General rule for biochemical reagentsGB/T 35507-20172018-7-1
Chemical reagent―General method for the determination of nitrateGB/T 35496-20172018-7-1
Method of performance testing for quadrupole inductively coupled plasma mass spectrometerGB/T 34826-20172018-5-1
Chemical reagent-General rules for the ion chromatographyGB/T 34672-20172018-5-1
Chemical reagent-General method for the determination of aldehydeGB/T 34704-20172018-5-1
Method of performance testing for liquid chromatography-tandem quadrupole mass spectrometryGB/T 35410-20172018-4-1
Determination of the activity of beta-galactosidase--Spectrophotometric methodGB/T 33409-20162017-7-1
Determination of the activity of protease K in biochemical reagentsGB/T 33410-20162017-7-1
Determination of hydroxycitric acid in biochemical products--HPLC methodGB/T 33412-20162017-7-1
Chemical reagent一 N,N一dimethyl一P一phenylenediamine dihydrochlorideGB/T 33089-20162017-5-1
Chemical reagent- Pararosaniline hydrochloride solutionGB/T 33088-20162017-5-1
Ultra pure water for instrumental analysis specification and test methodsGB/T 33087-20162017-5-1
Chemical reagent- N-(1-naphthyl) ethylenediamine dihydrochlorideGB/T 33090-20162017-5-1
Specific solid enzyme(ALD,TIM,GDH)reagent for determination of fructose diphosphate(FDP)GB/T 32226-20152016-7-1
Chemical reagent―CyclohexaneGB/T 14305-20152016-5-1
Chemical reagent―Ammonium sulfateGB/T 1396-20152016-2-1
Chemical reagent―Hydrobromie acidGB/T 621-20152016-2-1
Chemical reagent―Potassium carbonate anhydrousGB/T 1397-20152016-2-1
Chemical reagent―Ammonium thiocyanateGB/T 660-20152015-12-1
Chemical reagent―L(+)-Ascorbic acidGB/T 15347-20152015-12-1
Chemical reagent―Sodium acetate anhydrousGB/T 694-20152015-12-1
Chemical reagent―Potassium bromateGB/T 650-20152015-12-1
Chemical reagent―Hexamethylene tetramineGB/T 1400-20142015-3-1
General Rule for Test Methods of Highly Purified ReagentsGB/T 30301-20132014-8-1
Chemical Reagent - Formaldehyde SolutionGB/T 685-20132014-8-1
Chemical Reagent - Cobalt Nitrate HexahydrateGB/T 15898-20132014-8-1
Chemical Reagent - Phosphoric AcidGB/T 1282-20132014-8-1
Chemical Reagent -XyleneGB/T 16494-20132014-8-1
Chemical Reagent - Methanol for High Performance Liquid Chromatography EluentHG/T 4581-20132014-3-1
Chemical Reagent - Potassium ChromateHG/T 3440-20132014-3-1
Chemical Reagent - ThioureaHG/T 3454-20132014-3-1
Chemical Reagent - Devarda’s AlloyHG/T 3438-20132014-3-1
Chemical Reagent - SucroseHG/T 3462-20132014-3-1
Chemical Reagent - Acetonitrile for High Performance Liquid Chromatography EluentHG/T 4582-20132014-3-1
Chemical reagent—Packaging and markingGB 15346-20122013-10-1
Chemical reagent - AnilineGB/T 691-20122013-8-1
The Guide for Drafting in Report of Gas Reference MaterialsHG/T 4297-20122012-11-1
Chemical reagent — Aluminium potassium sulfate dodecahydrateHG/T 4195-20112012-7-1
Chemical reagent-Barium hydroxide octahydrate (ISO 6353-3:1987,Reagents for chemical analysis-HG/T 2629-20112012-7-1
Chemical reagent-Isoamyl alcohol(3-Methyl-1-butanol)HG/T 2891-20112012-7-1
Chemical reagent-Barium sulfateHG/T 3033-20112012-7-1
Chemical reagent—Zinc oxideHG/T 2890-20112012-7-1
Chemical reagent— Sodium carbonate decahydrateHG/T 4196-20112012-7-1
Chemical reagent-Starch solubleHG/T 2759-20112012-7-1
Chemical reagent-Test method for polarity constant of liquid stationary phase in gas chromatographyHG/T 3500-20112012-7-1
Chemical reagent-Zinc chlorideHG/T 2760-20112012-7-1
Chemical reagent-Determination of the effective plate number of solid support in a gas chromatographyHG/T 3501-20112012-7-1
Chemical reagent—Barium carbonateGB/T 654-20112012-6-1
Chemical reagent—Sodium dihydrogen phosphate dihydrateGB/T 1267-20112012-6-1
Determination of intergranular corrosion of 5XXX series aluminum alloys by mass lossGB/T 26491-20112012-2-1
Chemical reagent—Hexaammonium heptamolybdate tetrahydrateGB/T 657-20112011-12-1
Chemical reagent—Perchloric acidGB/T 623-20112011-12-1
Chemical reagent—Sodium nitrateGB/T 636-20112011-12-1
Chemical reagent—Tributyl phosphateGB/T 15354-20112011-12-1
Chemical reagent—Iron(Ⅱ)sulfate heptahydrateGB/T 664-20112011-12-1
Chemical reagent—Barium nitrateGB/T 653-20112011-12-1
Chemical reagent—IodineGB/T 675-20112011-12-1
Chemical reagent—Ammonium iron(Ⅱ) sulfate hexahydrateGB/T 661-20112011-12-1
Chemical reagent - Potassium fluoride dihydrateGB/T 1271-20112011-12-1
Chemical reagent—Zinc sulfate heptahydrateGB/T 666-20112011-12-1
Chemical reagent—Boric acidGB/T 628-20112011-12-1
Chemical reagent—Potassium thiocyanateGB/T 648-20112011-12-1
Chemical reagent—GlycerolGB/T 687-20112011-12-1
Chemical reagent—Acetic anhydrideGB/T 677-20112011-12-1
Chemical reagent—Potassium chlorideGB/T 646-20112011-12-1
Chemical reagent—Potassium chlorateGB/T 645-20112011-12-1
Chemical reagent—Potassium peroxydisulfateGB/T 641-20112011-12-1
Chemical reagent—Potassium iodateGB/T 651-20112011-12-1
Chemical reagent—Hydrofluoric acidGB/T 620-20112011-12-1
Chemical reagent - Potassium sodium tartrate tetrahydrateGB/T 1288-20112011-12-1
Chemical reagent—Potassium nitrateGB/T 647-20112011-12-1
Chemical reagent—Ammonium nitrateGB/T 659-20112011-12-1
Chemical reagent—Potassium hexacyanoferrate(Ⅲ)GB/T 644-20112011-12-1
Chemical reagent - Potassium dihydrogen phosphateGB/T 1274-20112011-12-1
Chemical reagent—Carbon tetrachlorideGB/T 688-20112011-12-1
Chemical reagent - BromineGB/T 1281-20112011-12-1
Chemical Reagent - Ammonium PersulfateGB/T 655-20112011-10-1
Chemical reagent-Isopropyl alcoholHG/T 2892-20102011-3-1
Chemical reagent—Lead(Ⅱ) Acetate TrihydrateHG/T 2630-20102011-3-1
Chemical reagent-PhenolphthalienHG/T 4101-20092010-6-1
Chemical reagent - Phenol redHG/T 4100-20092010-6-1
Chemical reagent - Cresol redHG/T 4102-20092010-6-1
Chemical reagent - Bromophenol blueHG/T 4099-20092010-6-1
Chemical reagent - General method for the determination of organic nitrogen compoundsHG/T 4103-20092010-6-1
Chemical reagent—General rules for inductively coupled plasma atomic emission spectrometryGB/T 23942-20092010-2-1
Chemical reagent—General method for the determination of specific optical rotatory power(specific optical rotation)GB/T 613-2007/XG1-20092009-7-1
pH Primary reagent—Disodium hydrogen phosphateGB 6854-20082009-6-1
Working chemical—Potassium iodateGB 1258-20082009-6-1
Working chemical - Calcium carbonateGB 12596-20082009-6-1
Working chemical—Silver nitrateGB 12595-20082009-6-1
chemical - Ethylenediamine tetraacetic acid disodium saltGB 10734-20082009-6-1
pH primary reagent - General rules for certificationGB 6851-20082009-6-1
pH Primary reagent—Potassium hydrogen phthalateGB 6857-20082009-6-1
Primary chemical - Potassium dichromateGB 10731-20082009-6-1
Working chemical - Benzoic acidGB 12597-20082009-6-1
Primary chemical - Potassium chlorideGB 10732-20082009-6-1
chemical - Potassium chlorideGB 10736-20082009-6-1
Working chemical - Zinc oxideGB 1260-20082009-6-1
Working chemical - Potassium bromateGB 12594-20082009-6-1
Working chemical—Arsenic trioxideGB 1256-20082009-6-1
chemical - Sodium carbonate anhydrousGB 10735-20082009-6-1
pH Primary reagent - Sodium tetraborate decahydrate GB 6856-20082009-6-1
pH Primary reagent - Potassium dihydrogen phosphate GB 6853-20082009-6-1
Primary chemical - Potassium hydrogen phthalateGB 10730-20082009-6-1
Primary chemical - Sodium chlorideGB 10733-20082009-6-1
Chemical reagent - Ammonium iron(III)sulfate dodecahydrateGB/T 1279-20082008-11-1
Chemical reagent - Petroleum etherGB/T 15894-20082008-11-1
Chemical reagent - Potassium hydroxideGB/T 2306-20082008-11-1
Chemical reagent - General method for the determination of residue after ignitionGB/T 9741-20082008-11-1
Chemical reagent - Ammonium acetateGB/T 1292-20082008-11-1
Chemical Reagent - General Method for the Determination of ArsenicGB/T 610-20082008-11-1
Chemical reagent - General method for the determination of carbonyl compoundsGB/T 9733-20082008-11-1
Chemical reagent - General method for the determination of acidity and alkalinityGB/T 9736-20082008-11-1
Chemical Reagent-General Method for the Determination of AluminiumGB/T 9734-20082008-11-1
Chemical reagent - Disodium tetraborate decahydrate GB/T 632-20082008-11-1
Chemical reagent - General method for the determination of silicateGB/T 9742-20082008-11-1
Chemical reagent - n-ButanolGB/T 12590-20082008-11-1
Chemical reagent - General method for the determination of dry residue after evaporationGB/T 9740-20082008-11-1
Chemical reagent - The general rules of anodic stripping voltammetryGB/T 3914-20082008-11-1
Chemical reagent - BenzeneGB/T 690-20082008-11-1
Chemical reagent - L(+)-Tartaric acidGB/T 1294-20082008-11-1
Chemical Reagent - General Method for the Determination of Heavy MetalsGB/T 9735-20082008-11-1
Chemical reagent - Nickel chloride hexahydrateGB/T 15355-20082008-11-1
Water for analytical laboratory use - Specification and test methodsGB/T 6682-20082008-11-1
Chemical reagent - Potassium hydrogen phthalateGB/T 1291-20082008-11-1
Chemical reagent - Sodium sulfate anhydrousGB/T 9853-20082008-11-1
Chemical reagent - General rules for the determination of readily carbonizable substancesGB/T 9737-20082008-11-1
Chemical reagent - Potassium permanganateGB/T 643-20082008-11-1
Chemical reagent - AcetoneGB/T 686-20082008-11-1
Chemical reagent - Potassium hexacyanoferrate(Ⅱ)trihydrateGB/T 1273-20082008-11-1
Chemical reagent - 5-Sulfosalicylic acid dihydrateGB/T 10705-20082008-11-1
Chemical reagent - UreaGB/T 696-20082008-11-1
Chemical reagent - Zinc granular free from arsenicGB/T 2304-20082008-11-1
Chemical reagent - Oxalic acid dihydrateGB/T 9854-20082008-11-1
Chemical Reagent - General Method for the Determination of Water Insoluble MatterGB/T 9738-20082008-11-1
Chemical reagent - Bromocresol greenHG/T 4017-20082008-10-1
Chemical reagent - 2, 2 - BipyridylHG/T 4013-20082008-10-1
Chemical reagent—Bromothmol blueHG/T 4012-20082008-10-1
Chemical reagent - 8-HydroxyquinolineHG/T 4014-20082008-10-1
Chemical reagent—m-Cresol purpleHG/T 4019-20082008-10-1
Microbeam analysis - Electron probe microanalysis - Guidelines for the specification of certified reference materials (CRMs) GB/T 4930-20082008-10-1
Chemical reagent - Thymol blueHG/T 4010-20082008-10-1
Chemical reagent—1,10-PhenanthrolineHG/T 4018-20082008-10-1
Chemical reagent - Sodium diethyldithiocarbamate trihydrateHG/T 4016-20082008-10-1
Chemical reagent.General method for the determination of pH ranges corresponding the colour transition of acid-base indicatorsHG/T 4015-20082008-10-1
Chemical reagent - Nickel sulfate hexahydrateHG/T 4020-20082008-10-1
Chemical reagent—Thymol phthaleinHG/T 4011-20082008-10-1
Chemical reagent—Sodium pyrosulfiteHG/T 4021-20082008-10-1
Chemical reagent—General method for the determination of chlorideGB/T 9729-20072008-4-1
Chemical reagent—General method for the determination of oxalatesGB/T 9730-20072008-4-1
Chemical Reagent - General Method for the Determination of PhosphateGB/T 9727-20072008-4-1
Chemical reagent—General rule for the determination of permanganate-reducing substancesGB/T 9726-20072008-4-1
Chemical reagent - General method for the determination of specific optical rotatory power (specific optical rotation)GB/T 613-20072008-4-1
Chemical Reagent - General Rule for Flame Atomic Absorption Spectrometry AnalysisGB/T 9723-20072008-4-1
Chemical reagent—Potassium iodideGB/T 1272-20072008-4-1
Working chemical—Sodium oxalateGB 1254-20072008-4-1
Chemical reagent—General method for the determination of metals by solvent extraction followed by AASGB/T 10726-20072008-4-1
Chemical reagent - Silver nitrateGB/T 670-20072008-4-1
Chemical reagent—General rule for potentiometric titrationGB/T 9725-20072008-4-1
Chemical reagent—General rule for the determination of pHGB/T 9724-20072008-4-1
Chemical Reagent - Acetic AcidGB/T 676-20072008-4-1
Chemical reagent - Sulfuric acidGB/T 625-20072008-4-1
Chemical Reagent - General Method for the Determination of SulphateGB/T 9728-20072008-4-1
Chemical reagent—General method for the determination of ammoniumGB/T 9732-20072008-4-1
Working chemical—Potassium hydrogen phthalateGB 1257-20072008-4-1
Chemical reagent—Ethyl acetateGB/T 12589-20072008-4-1
Working chemical—Ethylenediaminetetraacetic acid disodium saltGB 12593-20072008-4-1
Chemical reagent - Copper (Ⅱ) sulfate pentahydrateGB/T 665-20072008-4-1
Chemical reagent—Hydroxylammonium chlorideGB/T 6685-20072008-4-1
Chemical reagent - Ammonia solutionGB/T 631-20072008-4-1
Chemical reagent - Tin(Ⅱ) Chloride dihydrateGB/T 638-20072008-4-1
Chemical reagent—General method for the determination of sulphur compoundsGB/T 9731-20072008-4-1
Working chemical—Sodium chlorideGB 1253-20072008-4-1
Working chemical—Potassium dichromateGB 1259-20072007-11-1
Working chemical—General rules for assay—Weight titrationGB 10738-20072007-11-1
Working chemical—Sodium carbonate anhydrousGB 1255-20072007-11-1
working chemical—General rules for assay—Weight titration (potentiometric method)GB 10737-20072007-11-1
Chemical reagent - MethanolGB/T 683-20062007-6-1
Chemical reagent - Sodium thiosulfate pentahydrateGB/T 637-20062007-6-1
Chemical reagent - Magnesium chloride hexahydrateGB/T 672-20062007-6-1
Chemical Reagent - General Method for the Determination of Total NitrogenGB/T 609-20062007-6-1
Chemicalreagent - General method for the determination of melting rangeGB/T 617-20062007-6-1
Chemical reagent - General method for the measurement of colourGB/T 605-20062007-6-1
Chemical reagent - Nitric acidGB/T 626-20062007-6-1
Chemical reagent - General method for the determination of densityGB/T 611-20062007-6-1
Chemical reagent - General method for the determination of iron GB/T 9739-20062007-6-1
Chemical reagent - Ammonium chlorideGB/T 658-20062007-6-1
Chemical reagent - Arsenic trioxideGB/T 673-20062007-6-1
Chemical reagent - General method for the determination of refractive indexGB/T 614-20062007-6-1
Chemical reagent - General method for the determination of boiling pointGB/T 616-20062007-6-1
Chemical reagent - General method for the determination of distillation rangeGB/T 615-20062007-6-1
Chemical reagent - Hydrochloric acidGB/T 622-20062007-6-1
Chemicalreagent - General method for the determination of crystallizing pointGB/T 618-20062007-6-1
Chemical reagent-Regulations for sampling and acceptanceHG/T 3921-20062007-5-1
Chemical reagent - General rules for the molecular absorption spectrophotometry (ultraviolet and visible)GB/T 9721-20062007-4-1
Chemical reagent - Sodium chlorideGB/T 1266-20062007-4-1
Chemical reagent - Disodium hydrogen phosphate dodecahydrateGB/T 1263-20062007-4-1
Heavy magnesium oxide for industrial useHG/T 2679-20062007-3-1
Classifying and Code nomenclature of Water treatment chemicalsHG/T 2762-20062007-3-1
Chemical reagent—General rules for the gas chromatographyGB/T 9722-20062006-11-1
Hollow glass blockJC/T 1007-20062006-10-1
Chemical reagent Cobalt (II) sulfate heptahydrateHG/T 2631-20052006-1-1
Feed grade mono-dicalcium phosphateHG/T 3776-20052006-1-1
Feed grade cobalt sulfateHG/T 3775-20052006-1-1
Feed grade diammonium hydrogen phosphateHG/T 3774-20052006-1-1
nitrate for photographYS/T 476-20052005-12-1
Hide powder (slightly chromated)LY/T 1639-20052005-12-1
Directives for the work of reference materials(9)—Calibration in analytical chemistry and use of certified reference materialsGB/T 15000.9-20042005-6-1
Chemical reagent 1 4--DioxaneHG/T 3499-20042005-6-1
Chemical Reagent - Lead NitrateHG/T 3470-20002005-5-1
Chemical reagent Vanadium pentoxideHG/T 3485-20032004-5-1
Chemical reagent Manganous nitrate,50% solutionHG/T 3467-20032004-5-1
Chemical reagent Ethylenediamine tetraacetic acidHG/T 3457-20032004-5-1
Chemical reagent Potassium pyrosulfateHG/T 3441-20032004-5-1
Chemical reagent Tin (Ⅳ) chloride pentahydrateHG/T 3488-20032004-5-1
Chemical reagent Iron powder reducedHG/T 3473-20032004-5-1
Chemical reagent Copper(Ⅱ) nitrate trihydrateHG/T 3443-20032004-5-1
Chemical reagent Copper oxide wireHG/T 3490-20032004-5-1
Chemical reagent Antimony trichlorideHG/T 3464-20032004-5-1
Chemical reagent NitrobenzeneHG/T 3451-20032004-5-1
Chemical reagent Sodium hydrogen sulfiteHG/T 3492-20032004-5-1
Chemical reagent Lithium chloride monohydrateHG/T 3482-20032004-5-1
Chemical reagent Chromium trioxideHG/T 3444-20032004-5-1
Chemical reagent Nitric acid fumingHG/T 3447-20032004-5-1
Chemical reagent Mercury (Ⅱ) oxide yellowHG/T 3469-20032004-5-1
Chemical reagent Nickel (Ⅱ) nitrate hexahydrateHG/T 3448-20032004-5-1
Chemical reagent Chloroauric acid hydratedHG/T 3446-20032004-5-1
Chemical reagent—Sodium bromideGB/T 1265-20032004-5-1
Chemical reagent Ammonium metavanadateHG/T 3445-20032004-5-1
Chemical reagent—Copper(Ⅱ)oxide powderGB/T 674-20032004-5-1
Chemical reagent - General method for the determination of water - Karl Fischer methodGB/T 606-20032004-5-1
Chemical reagent Sodium tetraphenylboronHG/T 3483-20032004-5-1
Chemical reagent—Ammonium dichromateGB/T 656-20032004-5-1
Chemical reagent Maleic anhydrideHG/T 3459-20032004-5-1
Chemical reagent iso - Amyl acetateHG/T 3460-20032004-5-1
Chemical reagent o-Phthalic anhydrideHG/T 3479-20032004-5-1
Chemical reagent—Barium chloride dihydrateGB/T 652-20032003-9-1
Chemical reagent--General method for the determination of pH ranges corresponding the colour transition of acid-base indicatorsGB/T 604-19882003-4-1
Chemical reagent--EthanolGB/T 679-20022003-4-1
Chemical reagent--EthanolGB/T 678-20022002-12-1
Chemical reagent--Hydrogen peroxide 30%GB/T 6684-20022002-12-1
Chemical reagent--TrichloromethaneGB/T 682-20022002-12-1
Chemical reagent-Diethyl etherGB/T 12591-20022002-1-2
Chemical reagent Iron(Ⅲ)chloride hexahydrateHG/T 3474-20002001-5-1
Chemical reagent Copper(Ⅰ)chlorideHG/T 3489-20002001-5-1
Chemical reagent CyclohexanoneHG/T 3455-20002001-5-1
Chemical reagent EthylenediamineHG/T 3486-20002001-5-1
Chemical reagent Mercury(Ⅱ)chlorideHG/T 3468-20002001-5-1
Chemical reagent Arsenazo ⅢHG/T 3463-20002001-5-1
Chemical reagent Aminoacetic acidHG/T 3480-20002001-5-1
Chemical reagent Benzoic acidHG/T 3458-20002001-5-1
Chemical reagent MercuryHG/T 3471-20002001-5-1
Chemical reagent sodium dichromate dihydrateHG/T 3439-20002001-5-1
Chemical reagent Alizarin yellow RHG/T 3496-20002001-5-1
Chemical reagent di-Ammonium hydrogen citrateHG/T 3497-20002001-5-1
Chemical reagent Aluminium sulfate octadecahydrateHG/T 3442-20002001-5-1
Chemical reagent NinhydrinHG/T 3456-20002001-5-1
Chemical reagent tri - Sodium phosphate dodecahyd rateHG/T 3493-20002001-5-1
Chemical reagent di - Potassium hydrogen phosphate trihydrateHG/T 3487-20002001-5-1
Chemical reagent 2,4-DinitrophenylhydrazineHG/T 3452-20002001-5-1
Chemical reagent Sodium sulfite anhydrousHG/T 3472-20002001-5-1
Phosphorus pentoxideGB/T 2305-20002001-3-1
General technical conditions for crude oil demulsifiersSY/T 5280-20002000-10-1
Chemical Reagent - Standard of Clear Liquor, Made from Glass Dust, and Standard of TransparenceHG/T 3484-19992000-6-1
Chemical reagent-4 - Methyl-2 - PentanoneHG/T 3481-19992000-6-1
Chemical reagent-Potassium dichromateGB/T 642-19992000-6-1
Chemical reagent--Ammonium fluorideGB/T 1276-19992000-6-1
Chemical reagent-sodium tartrate dihydrateHG/T 3478-19992000-6-1
Chemical reagent - Butanedione dioximeHG/T 3450-19992000-6-1
Chemical reagent-Potassium bromideGB/T 649-19992000-6-1
Chemical reagent-FluoresceinHG/T 3494-19992000-6-1
Chemical reagent--TolueneGB/T 684-19992000-6-1
Chemical reagent-Charcoal activatedHG/T 3491-19992000-6-1
Chemical reagent--Preparations of stock standard solutionsGB/T 602-19882000-6-1
Chemical reagent--Sodium dihydrogen phosphate,dihydrateGB/T 1267-19992000-6-1
Chemical reagent-Eosin yellowishHG/T 3495-19992000-6-1
Chemical reagent-n - Butyl acetateHG/T 3498-19992000-6-1
Chemical reagent - Potassium tartrate semihydrateHG/T 3477-19992000-6-1
Chemical reagent-Barium carbonateGB/T 654-19992000-6-1
Chemical reagent - Acetic acid 36%HG/T 3476-19992000-6-1
Chemical reagent-D-GlucoseHG/T 3475-19992000-4-1
Chemical reagent--Preparations of reagent solutions for use in test methodsGB/T 603-19881999-6-1
reagent Ethylenediamine tetraacetic acid disodium saltGB/T 1401-19981999-5-1
Chemical reagent N, N-dimethylformamideGB/T 17521-19981999-5-1
Chemical reagent -Magnesium sulfate heptahydrateGB/T 671-19981999-5-1
Chemical reagent--Sodium thiocyanateGB/T 1268-19981999-5-1
Chemical reagent- PyridineGB/T 689-19981999-5-1
Chemical reagent Potassium hydroxideGB/T 2306-19971998-2-1
Chemical reagent Phosphoric acidGB/T 1282-19961997-2-1
Chemical reagent-Zinc nitrate hexahydrateGB/T 667-19951996-8-1
Chemical reagent Manganese sulfate monohydrateGB/T 15899-19951996-8-1
Chemical reagent-Sodium acetate anhydrousGB/T 694-19951996-8-1
reagent Potassium carbonateGB/T 1397-19951996-8-1
Chemical reagent Calcium carbonateGB/T 15897-19951996-8-1
Chemical reagent Formic acidGB/T 15896-19951996-8-1
Chemical reagent Copper (Ⅱ) chloride dihydrateGB/T 15901-19951996-8-1
Chemical reagent Petroleum etherGB/T 15894-19951996-8-1
Chemical reagent 1,2-DichloroethaneGB/T 15895-19951996-8-1
Chemical reagent Nickel chloride hexahydrateGB/T 15355-19941995-10-1
Chemical reagent-Cadmium chlorideGB/T 1285-19941995-10-1
Chemical reagent. Sodium nitriteGB/T 633-19941995-10-1
Chemical reagent-L-Ascorbic acidGB/T 15347-19941995-10-1
Chemical reagent-Ammonium persulfateGB/T 655-19941995-10-1
Chemical Reagent - Packaging and MarkingGB 15346-19941995-10-1
Chemical reagent Bromocresol greenGB/T 15349-19941995-10-1
Test Method for Low-Temperature Low-Voltage Adsorbability of AdsorbentQJ 2676-19941995-1-1
Chemical reagent-Strontium nitrateGB/T 669-19941994-12-1
Chemical reagents-95% AlcoholGB/T 679-19941994-12-1
Determination of Isocyanate Group Content in Polyurethane Performed Polymer HG/T 2409-19921994-12-1
Chemical reagent Ammonium hydrogen difluorideGB/T 1278-19941994-12-1
Chemical reagent-Sodium oxalateGB/T 1289-19941994-1-2
Chemical reagent-Potassium fluoride dihydrateGB/T 1271-19941994-1-2
Chemical reagent-UreaGB/T 696-19941994-1-2
Chemical reagents; Perchloric acidGB/T 623-19921993-7-1
Chemical reagents;Ammonium thiocyanateGB/T 660-19921993-7-1
Chemical reagent; Potassium sodium tartrateGB/T 1288-19921993-7-1
Chemical reagents;BenzeneGB/T 690-19921993-7-1
Chemical reagents;Ammonium ferrous sulfateGB/T 661-19921993-7-1
Chemical reagents;Acetic anhydrideGB/T 677-19921993-7-1
Chemical reagent?Carbon tetrachlorideGB/T 688-19921993-7-1
Chemical reagents;BromineGB/T 1281-19931993-1-2
Chemical reagents;Potassium dihydrogen phosphateGB/T 1274-19931993-1-2
Chemical reagents;Tartaric acidGB/T 1294-19931993-1-2
Chemical reagents;Hexamethylene;TetramineGB/T 1400-19931993-1-2
Chemical reagents;Boric acidGB/T 628-19931993-1-2
reagents;Ammonium sulfateGB/T 1396-19931993-1-2
Chemical reagents;Sodium tetrabonateGB/T 632-19931993-1-2
Chemical reagent. CyclohexaneGB/T 14305-19931993-1-2
Chemical reagents;Hydrofluoric acidGB/T 620-19931993-1-2
Chemical reagents;MethanolGB/T 683-19931993-1-2
Chemical reagent. Hydrobromic acidGB 621-19931993-1-2
Chemical reagents;Potassium bromateGB/T 650-19931993-1-2
Potassium dihydrogen phosphateHG 2321-19921992-9-1
Chemical reagent--Diethyl etherGB 12591-19901991-12-1
Working chemical Zinc oxideGB 1260-19901991-12-1
Working chemical-Arsenic trioxideGB 1256-19901991-1-2
Working chemical-Calcium carbonateGB 12596-19901991-1-2
Working chemical Potassium bromateGB 12594-19901991-1-2
Working chemical-Silver nitrateGB 12595-19901991-1-2
Working chemical Potassium iodateGB 1258-19901991-1-2
Working chemical-Ethylenediaminetetraacetic acid disodium saltGB 12593-19901991-1-2
Chemical reagent n-ButanolGB 12590-19901991-1-2
Chemical reagent Ethyl acetateGB 12589-19901991-1-2
Chemical reagent Acetic acidGB 676-19901991-1-2
Working chemical-Sodium oxalateGB 1254-19901991-1-2
Working chemical-Benzoic acidGB 12597-19901991-1-2
working chemical Sodium carbonate anhydrousGB 1255-19901991-1-2
Primary chemicals; Sodium carbonateGB 10735-19891989-12-1
Chemical reagent; Sulfuric acidGB 625-19891989-12-1
Primary chemicals; Potassium chlorideGB 10732-19891989-12-1
Chemical reagent-Hydrochloric acidGB/T 622-19891989-12-1
Working chemical-Potassium hydrogen phthalateGB 1257-19891989-12-1
Working chemical-General rules for the potentiometric weight titrationGB 10737-19891989-12-1
Chemical reagent--ChloroformGB/T 682-19891989-12-1
Chemical reagent-General method for the determination of melting rangeGB/T 617-19881989-4-1
Chemical reagent-General method for the determination of sulphateGB/T 9728-19881989-4-1
Chemical reagent-General method for the determination of crystallizing pointGB/T 618-19881989-4-1
Chemical reagent-General rules for the molecular absorption spectrophotometry(ultraviolet and visible)GB/T 9721-19881989-4-1
Chemical reagent-General method for the determination of carbonyl compoundsGB/T 9733-19881989-4-1
Chemical reagent-General method for the determination of chlorideGB/T 9729-19881989-4-1
Chemical reagent-General method for the determination of acidity and alkalinityGB/T 9736-19881989-4-1
Chemical reagent-General rules for flame atomic absorption spectrometryGB/T 9723-19881989-4-1
Chemical reagent-General method for the determination of specific optical rotationGB/T 613-19881989-4-1
Chemical reagent-General method for the determination of total nitrogenGB/T 609-19881989-4-1
Chemical reagent-General method for the determination of phosphateGB 9727-19881989-4-1
Chemical reagent-General method for the determination of oxalatesGB/T 9730-19881989-4-1
Chemical reagent-General method for the determination of distillation rangeGB/T 615-19881989-4-1
Chemical reagent-General method for the determination of arsenicGB/T 610.1-19881989-4-1
Chemical reagent-General method for the determination of ammoniumGB/T 9732-19881989-4-1
Chemical reagent-Ammonium chlorideGB/T 658-19881989-4-1
Chemical reagent-Magnesium oxideGB/T 9857-19881989-4-1
Chemical reagent-General rules for potentiometric titrationGB 9725-19881989-4-1
Chemical reagent-General method for the determination of refractive indexGB/T 614-19881989-4-1
Chemical reagent-General method for the determination of sulphur compoundsGB/T 9731-19881989-4-1
Chemical reagent-General method for the determination of ironGB/T 9739-19881989-4-1
Chemical reagent-General method for the determination of boiling pointGB/T 616-19881989-4-1
Chemical reagent-General method for the determination of densityGB/T 611-19881989-4-1
Chemical reagent-General method for the determination of arsenic (AgDDTC)GB 610.2-19881989-4-1
Chemical reagent-Potassium permanganateGB 643-19881989-4-1
Chemical reagent-General method for the determination of silicateGB/T 9742-19881989-4-1
Chemical reagent-Copper(11) sulfate pentahydrateGB/T 665-19881989-4-1
Chemical reagent-Regulations for sampling and acceptanceGB/T 619-19881989-4-1
Chemical reagent-General method for the determination of water insoluble matterGB/T 9738-19881989-4-1
Chemical reagent-General method for the measurement of colour(in Hazen units)GB 605-19881989-4-1
Chemical reagent-General method for the determination of heavy metalsGB/T 9735-19881989-4-1
Chemical reagent-General rules for the gas chromatographyGB/T 9722-19881989-4-1
Chemical reagent-General method for the determination of dry residue after evaporationGB/T 9740-19881989-4-1
Chemical reagent-Barium chloride dihydrateGB/T 652-19881989-4-1
Chemical reagent-Oxalic acid dihydrateGB/T 9854-19881989-4-1
Chemical reagent; Ammonia solution(25%)GB/T 631-19891989-1-2
Primary chemicals; Sodium chlorideGB 10733-19891989-1-2
Chemical reagent; Nitric acidGB/T 626-19891989-1-2
Working chemical-Potassium chlorideGB 10736-19891989-1-2
Working chemicals; Potassium dichromateGB 1259-19891989-1-2
Chemical reagent--8-HydroxyquinolineGB/T 10704-19891989-1-2
Chemical reagent; 5-Sulfosalicylic acidGB/T 10705-19891989-1-2
Chemical reagent; General rules for the flameless(gra-phite furnace) atomic absorption spectrometryGB/T 10724-19891989-1-2
Working chemicals; Sodium chlorideGB 1253-19891989-1-2
Working chemical-General rules for the weight titrationGB 10738-19891989-1-2
Chemical reagent; Ammonium iron(3) sulfate dodecahgdrateGB/T 1279-19891989-1-2
Primary chemicals; Potassium hydrogen phthalateGB 10730-19891989-1-2
Chemical reagent; General method for the determination of metals by solvent extraction followed by AASGB/T 10726-19891989-1-2
Primary chemical-Potassium dichromateGB 10731-19891989-1-2
Chemical reagent; AcetoneGB/T 686-19891989-1-2
Primary chemicals; Ethylenediamine tetra acetic acide disodium saltGB 10734-19891989-1-2
Chemical reagent--General method for the determination of water (Karl Fischer method)GB/T 606-19881989-1-1
pH Basic line; Potassium dihydrogen phosphateGB 6853-19861987-8-1
pH Basic line; General rules for certificationGB 6851-19861987-8-1
Chemical reagents--Hydrogen peroxideGB/T 6684-19861987-7-1
Chemical reagents; Sodium chlorideGB/T 1266-19861987-7-1
Chemical reagents; Silver nitrateGB/T 670-19861987-7-1
Chemical reagents; Hydroxyl ammonium chlorideGB/T 6685-19861987-7-1
Chemical reagents; Disodium hydrogen phosphate dodecahydroteGB/T 1263-19861987-7-1
Chemical reagents; Ammonium acetateGB/T 1292-19861987-7-1
Chemical reagent--Preparations of standard volumetric solutionsGB/T 601-19881986-2-1
Chemical reagent; Arsenic trioxideGB/T 673-19841985-9-1
Chemical reagents;The general rules of anodic stripping voltametryGB/T 3914-19831984-7-1
Chemical reagents--Powdered copper oxideGB/T 674-19781979-1-1
Basic chemical reagents(volumetry);Anhydrous para-amino-phenyl-sulfonic acidGB 1261-19771977-10-1
Chemical reagents--Ammonium dichromateGB/T 656-19771977-10-1
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