Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB 209-2006 Sodium hydroxide for industrial use 90.0 via email in 1~3 business day valid
GB/T 2091-2003 Phosphoric acid for industrial use 120.0 via email in 1~3 business day abolished
GB/T 534-2014 Sulphuric acid for industrial use 360.0 via email in 1~5 business day valid
HG 2-243-1965 via email in business day abolished
HG/T 2692-2007 Sulpheric acid for storage batteries 210.0 via email in 1~3 business day superseded
GB 11213.7-1989 Sodium hydroxide for chemical fiber use; Determination of copper mass fraction; Spectrometric method 30.0 via email in 1~3 business day abolished
HG/T 4120-2009 Calcium hydroxide for industrial use 135.0 via email in 1~3 business day valid
GB/T 4348.1-2000 Sodium hydroxide for industrial use-Determination of sodium hydroxide and sodium carbonate content 80.0 via email in 1~3 business day abolished
HG/T 3688-2000 Flaky and high-quality potassium hydroxide for industrial use 135.0 via email in 1~3 business day abolished
HG/T 3825-2006 Sodium hydroxide produced from natural soda by causticizing process 105.0 via email in 1~3 business day valid
GB/T 11212-2013 Sodium hydroxide for chemical fiber use 180.0 via email in 1~3 business day valid
GB/T 27815-2011 Lime water for industrial use 150.0 via email in 1~3 business day valid
DL 422.3-1991 Determination for iron content in industrial hydrochloric acid - Phenanthroline spectrophotometric method 60.0 via email in 1~3 business day superseded
DL 425.6-1991 Determination for sodium chloride content in industrial sodium hydroxide - Silver nitrate volumetric method 90.0 via email in 1~3 business day superseded
HG/T 3821-2006 Nano - Powder of magnesium hydroxide 150.0 via email in 1~3 business day valid
GB/T 29643-2013 Sodium hydroxide for industrial use—Laboratory sample—Preparation of the main solution for carrying out certain determinations 120.0 via email in 1~3 business day valid
HG/T 4530-2013 Flame Retardant - Aluminum Hydroxide 120.0 via email in 1~3 business day valid
GB/T 11213.2-2007 Sodium hydroxide for chemical fiber use—Determination of sodium chloride content—Spectrometric method 120.0 via email in 1~3 business day valid
HG/T 2520-2006 Phosphorous acid for industrial use 105.0 via email in 1~3 business day valid
DL 425.5-1991 Determination for sodium hydroxide and sodium carbonate content in industrial sodium hydroxide - Volumetric method 60.0 via email in 1~3 business day superseded
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