GB/T 7686-2016
General method for determination of arsenic content of chemical products
GB/T 6283-2008
Chemical products - Determination of water Karl.fischer method (general method)
GB/T 23843-2009
Inorganic chemical products - General method for the determination of total phosphorus(V)oride content
GB/T 6324.5-2008
Test method of organic chemical products - Part 5: Determination of trace quantities of carbonyl compounds in organic chemicals
GB/T 23946-2009
Inorganic chemicals for industrial use - General method for the determination of lead content - Atomic absorption spectrometry
GB/T 3051-2000
Inorganic chemical products for industrial use--General method for determination of chloride content--Mercurimetric method
GB/T 21525-2008
Inorganic chemical products for industrial use - General method for determination of magnesium content by complexation titration
GB/T 23945-2009
Inorganic chemicals for industrial use - General method for the determination of chloride content - Visible turbidimetric method
GB/T 23773-2009
Inorganic chemicals for industrial use - General method for determination of ammonium content - Nessler's reagent colorimetric method
GB/T 21057-2007
Inorganic chemical for industrial use - General method for determination of fluorine content-Ion selective electrode method
DB13/T 1229-2010
DB13/T 1222-2010
GB/T 23952-2009
Inorganic chemicals for industrial use - General method for the determination of total nitrogen content - Distillation-acid-base titrations method
DB13/T 1228-2010
GB/T 23841-2009
Inorganic chemicals for industrial use - General method for the determinations of cadmium - Atomic absorption spectrometry
GB/T 23772-2009
Inorganic chemicals for industrial use - General method for the determination of total nitrogen content - Nessler's reagent colorimetric method
GB/T 7686-2008
Chemical products for industrial use—General method for the determination of arsenic
GB/T 3050-2000
Inorganic chemical products for industrial use--General method for determination of chloride content--Potentiometric method
GB/T 17518-2012
General method for determination of silicon content of chemical products - Reduced molybdosilicate spectrophotometric method
GB/T 21058-2007
Inorganic chemical for industrial use - General method for mercury content-Flameless atomic absorption spectrometric method