Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 9735-1988 Chemical reagent-General method for the determination of heavy metals 30.0 via email in 1~3 business day abolished
GB/T 609-2006 Chemical Reagent - General Method for the Determination of Total Nitrogen 40.0 via email in 1 business day valid
GB/T 6912.1-1986 Methods for analysis of water for boiler and for cooling; The determination of nitrates and nitrites; Ultraviolet spectrophotometry for nitrates 15.0 via email in 1~3 business day abolished
GB/T 9722-1988 Chemical reagent-General rules for the gas chromatography 150.0 via email in 1~3 business day abolished
GB/T 9723-2007 Chemical Reagent - General Rule for Flame Atomic Absorption Spectrometry Analysis 60.0 via email in 1 business day valid
GB 9725-1988 Chemical reagent-General rules for potentiometric titration 90.0 via email in 1~3 business day abolished
GB/T 9729-1988 Chemical reagent-General method for the determination of chloride 30.0 via email in 1~3 business day abolished
HG/T 4297-2012 The Guide for Drafting in Report of Gas Reference Materials 90.0 via email in 1~3 business day valid
GB/T 6682-2008 Water for analytical laboratory use - Specification and test methods 60.0 via email in 1 business day valid
GB/T 9726-2007 Chemical reagent—General rule for the determination of permanganate-reducing substances 110.0 via email in 1~3 business day valid
GB/T 9730-1988 Chemical reagent-General method for the determination of oxalates 30.0 via email in 1~3 business day abolished
GB/T 9739-1988 Chemical reagent-General method for the determination of iron 30.0 via email in 1~3 business day abolished
GB/T 603-1988 Chemical reagent--Preparations of reagent solutions for use in test methods 195.0 via email in 1~3 business day abolished
GB 15346-2012 Chemical reagent—Packaging and marking 260.0 via email in 1~3 business day valid
GB/T 9728-2007 Chemical Reagent - General Method for the Determination of Sulphate 20.0 via email in 1 business day valid
GB/T 601-1988 Chemical reagent--Preparations of standard volumetric solutions 270.0 via email in 1~3 business day abolished
GB/T 9727-2007 Chemical Reagent - General Method for the Determination of Phosphate 20.0 via email in 1 business day valid
GB/T 613-1988 Chemical reagent-General method for the determination of specific optical rotation 15.0 via email in 1~3 business day abolished
GB/T 9721-1988 Chemical reagent-General rules for the molecular absorption spectrophotometry(ultraviolet and visible) 90.0 via email in 1~3 business day abolished
GB/T 9739-2006 Chemical reagent - General method for the determination of iron 20.0 via email in 1 business day valid
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