Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB 3828.1-1983 Methods for chemical analysis of high purity aluminum--The 1, 10-phenanthroline-thiocyanate photometric method for the determination of iron content 184.0 via email in 1~3 business day superseded
GB 3828.2-1983 Methods for chemical analysis of high purity aluminum--The extraction-molybdenum blue photometric method for the determination of silicon content 184.0 via email in 1~3 business day superseded
GB 3828.3-1983 Methods for chemical analysis of high purity aluminum--The diantipyrylmethane-thiocyanate photometric method for the determination of titanium content 184.0 via email in 1~3 business day superseded
GB 8153-1987 Cryolite natural and artificial--Preparation and storage of test samples 184.0 via email in 1~3 business day superseded
GB 8154.1-1987 Methods for chemical analysis of cryolite natural and artificial--The gravimetric method for the determination of moisture content 184.0 via email in 1~3 business day superseded
GB 8154.11-1987 Natural and artificial cryolite--Determination of sulphur content--X-ray fluorescence spectrometric method 184.0 via email in 1~3 business day superseded
GB 8154.2-1987 Methods for chemical analysis of cryolite natural and artificial--The electrometric method for the determination of water content 184.0 via email in 1~3 business day superseded
GB 8154.4-1987 Methods for chemical analysis of cryolite natural and artificial--The EDTA volumetric method for the determination of aluminium content 184.0 via email in 1~3 business day superseded
GB 8154.5-1987 Methods for chemical analysis of cryolite natural and artificial--The atomic absorption spectrophotometric method for the determination of sodium content 184.0 via email in 1~3 business day superseded
GB 8154.6-1987 Methods for chemical analysis of cryolite natural and artificial--The reduced molybdosilicate spectro photometric method for the determination of silica content 184.0 via email in 1~3 business day superseded
GB 8154.7-1987 Methods for chemical analysis of cryolite natural and artificial--The orthophenantholine spectro photometric method for the determination of iron content 184.0 via email in 1~3 business day superseded
GB 8154.8-1987 Methods for chemical analysis of cryolite natural and artificial--The barium sulphate gravimetric method for the determination of sulphate content 184.0 via email in 1~3 business day superseded
GB 8154.9-1987 Methods for chemical analysis of cryolite natural and artificial--Melybdphosphate blue spectrophotometric method for the determination of phosphorus content 184.0 via email in 1~3 business day superseded
GB/T 10267.3-1988 Method for analysis of calcium metal-The direct determination of iron,nickel,copper,manganese and magnesium in calcium metal by atomic absorption spectrometry 184.0 via email in 1 business day abolished
GB/T 10267.3-2008 Method for analysis of calcium metal - Part 3: Direct determination of iron,nickel,copper,manganese and magnesium in calcium metal by atomic absorptiom spectrophotometry 100.0 via email in 1~3 business day valid
GB/T 13748.1-1992 Magnesium and its alloys--Determination of aluminium content 380.0 via email in business day superseded
GB/T 13748.1-2005 Chemical analysis methods of magnesium and magnesium alloys — Determination of aluminium content 150.0 via email in 1~3 business day abolished
GB/T 13748.1-2013 Chemical analysis methods of magnesium and magnesium alloys—Part 1:Determination of aluminium content 210.0 via email in 1~3 business day valid
GB/T 13748.10-2005 Magnesium and its alloys - Determination of zinc content - Flame atomic absorption spectrometric method 100.0 via email in 1~3 business day abolished
GB/T 13748.10-2013 Chemical analysis methods of magnesium and magnesium alloys—Part 10:Determination of silicon content—Molybdenum blue spectrophotometric method 120.0 via email in 1~3 business day valid


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