Standards GB - Chinese national standards - Page 5111

Plastics—Test method for fish eye count of polypropylene resin

Standard published on 24.1.2025

Chemical reagent—Ammonium thiocyanate

Standard published on 15.5.2015

Chemical analysis methods and determination of physical performance of alumina—Part 1Determination of trace elements content—Inductively coupled plasma atomic emission spectrometry method

Standard published on 14.5.2018

Chemical analysis methods and determination of physical performance of alumina--Determination of vanadic oxide content--N-benzoyl-N-phenylhydroxylamine extraction photometric method

Standard published on 5.2.2004

Chemical analysis methods and determination of physical performance of alumina--Determination of manganous oxide content--Flame atomic absorption spectrophotometric method

Standard published on 5.2.2004

Chemical analysis methods and determination of physical performance of alumina—Part 11: Determination of manganese oxide and magnesium oxide contents—Flame atomic absorption spectrometric method
Execute Date: december 2026

Standard published on 25.5.2026

Chemical analysis methods and determination of physical performance of alumina—Part 12Determination of zinc oxide content—Flame atomic absorption spectrometry method

Standard published on 14.5.2018

Chemical analysis methods and determination of physical performance of alumina--Determination of calcium oxide content--Flame atomic absorption spectrophotometric method

Standard published on 5.2.2004

Chemical analysis methods and determination of physical performance of alumina—Part 13: Determination of calcium oxide content—Flame atomic absorption spectrometric method
Execute Date: december 2026

Standard published on 25.5.2026

Chemical analysis methods and determination of physical performance of alumina--Determination of fluorine content--Lanthanum-alizarincomplexone spectrophotometric method

Standard published on 5.2.2004