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

Title Standard No. Implemented On
Manganese ores—Determination of carbon content—Gravimetric method and infrared absorption methodGB/T 14949.11-20212022-3-1
Manganese ores - Determination of combined water content - Gravimetric methodGB/T 14949.12-20212021-12-1
Manganese ores一Determination of titanium content一Diantipyrylmethane spectrophotometric methodGB/T 14949.5-20212021-12-1
Manganese ores—Determination of hygroscopic moisture content—Gravimetric methodGB/T 14949.8-20182019-6-1
Manganese ores一Determination of silicon content一 Perchloric acid dehydration gravimetric methodGB/T 1509-20162017-9-1
Manganese ores一Determination of calcium and magnesmm contents一 EDTA titrimetric methodGB/T 1511-20162017-9-1
Manganese ores - Determination of aluminium content - EDTA titrimetric methodGB/T 1510-20162017-7-1
Manganese ores—Determination of manganese content—Potentiometric method and ammonium iron(Ⅱ) sulphate titrimetric methodGB/T 1506-20162017-7-1
Manganese ores―Determination of mercury content―Solid sampling and direct mercury analysis methodGB/T 31949-20152016-6-1
Manganese dioxide ore powder for chemical industryYB/T 5084-20152015-10-1
Metallurgical manganese oreYB/T 319-20152015-10-1
Manganese-rich slagYB/T 2406-20152015-10-1
Manganese ores and concentrates—Determination of total iron content—Flame atomic absorption spectrometric methodGB/T 29651-20132014-5-1
Manganese ores—Determination of size distribution by sievingGB/T 29653-20132014-5-1
Manganese ores—Determination of moisture contentGB/T 29516-20132014-2-1
Manganese ores—Determination of magnesium,aluminum,silicon,phosphorus,sulfur,potassium,calcium,titanium,manganese,iron,nickel,copper,zinc,barium and lead content—Wavelength dispersiveGB/T 24519-20092010-5-1
Manganese ores—Determination of iron silicon aluminium calcium barium magnesium potassium copper nickel zinc phosphorus cobalt chromium vanadium arsenic lead titanium and vanadium—InduGB/T 24197-20092010-4-1
Manganous manganic oxide for soft magnetic ferrites GB/T 21836-20082008-11-1
Manganese ores - Determination of calcium and magnesium contents - EDTA titrimetric methodGB/T 1511-20062007-2-1
Manganese ores - Determination of calcium and magnesium contents - Flame atomic absorption spectrometric methodGB/T 1513-20062007-2-1
Manganese Ores - Determination of active oxygen content - Potassium dichromate titrimetric methodGB/T 1507-20062007-2-1
Manganese ores - Determination of arsenic content - Silver diethyldithiocarbamate spectrophotometric methodGB/T 1516-20062007-2-1
Manganese ores - Determination of silicon content - Perchloric aciddehydration gravimetric methodGB/T 1509-20062007-2-1
Manganese ores - Determination of aluminium content - EDTA titrimetric methodGB/T 1510-20062006-9-1
Metallurgical manganese oreYB/T 319-20052005-12-1
Manganese dioxideore powder for chemical industryYB/T 5084-20052005-12-1
Method of sampling and sample preparation of manganese ores in bulkGB 2011-19872004-10-14
Manganese ores--Determination of manganese content--Potentiometric method and ammonium iron (Ⅱ) sulphate titrimetric methodGB/T 1506-20022003-4-1
Manganese ores--Determination of phosphorus content--Phosphomolybdenum blue spectrophotometric methodGB/T 1515-20022003-4-1
Manganese ores - Determination of total iron content - Potassium dichromate titrimetric method and 1,10 - Phenanthroline spectrophotometric methodGB/T 1508-20022003-4-1
Techical requirements of manganese dioxide ore powder for chemical industryYB/T 5084-19932002-1-1
Test method for performance in plane deformation of curtain wallsGB/T 18250-20002001-5-1
Metallurgical manganese oreYB/T 319-19971997-7-1
Manganese ores- Determination of vanadium contentGB/T 14949.4-19941994-10-1
Manganese ores- Determination of titanium contentGB/T 14949.5-19941994-10-1
Manganese ores- Determination of chromium contentGB/T 14949.1-19941994-10-1
Manganese ores - Determination of nickel contentGB/T 14949.2-19941994-10-1
Manganese ores - Determination of barium oxide contetGB/T 14949.3-19941994-10-1
Manganese ores- Determination of copper,lead and zinc contentsGB/T 14949.6-19941994-10-1
Manganese ores - Determination of hygroscopic moisture content in analytical samplesGB/T 14949.8-19941994-10-1
Manganese ores- Determination of sulphur contentsGB/T 14949.9-19941994-10-1
Manganese ores - Determination of cobalt contentGB/T 14949.10-19941994-10-1
Manganese ores - Determination of carbon dioxide contentGB/T 14949.11-19941994-10-1
Manganese ores- Determination of combined water contentGB/T 14949.12-19941994-10-1
Manganese ores - Determination of sodium and potassium contentsGB/T 14949.7-19941994-10-1
Technical requirements of manganese carbonate ore powderGB 3714-19831984-5-1
Technical requirements of manganese dioxide ore powder for chemical industryGB 3713-19831984-5-1
Method for determination of total iron content in manganese oresGB/T 1508-19791979-10-1
Method for determination of calcium oxide content in manganese ores;Volumetric methodGB/T 1511-19791979-10-1
Method for determination of silicon dioxide content in manganese oresGB/T 1509-19791979-10-1
Method for determination of arsenic content in manganese oresGB/T 1516-19791979-10-1
Method for determination of phosphorus content in manganese oresGB/T 1515-19791979-10-1
Method for determination of hygroscopic moisture content in manganese oresGB 1505-19791979-10-1
Method for determination of aluminium trioxide content in manganese oresGB/T 1510-19791979-10-1
Method for determination of total manganese content in manganese oresGB/T 1506-19791979-10-1
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