GB/T 4372.1

GB/T 4372.1, Total:3 items.

The international standard classification for "GB/T 4372.1" includes: Lead, zinc, tin and their alloys .

The Chinese standard classification for "GB/T 4372.1" includes: Heavy metals and their alloys analysis method .

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 4372.1-2001 Methods for chemical analysis of zinc oxide produced by direct process-Determination of zinc oxide content-Na2 EDTA titration method
GB/T 4372.1-2014 Methods for chemical analysis of zincoxide produced by direct process―Part 1:Determination of zinc oxide content―Na2EDTA titration method
GB/T 4372.1-1984 Methods for chemical analysis of zinc oxide(direct process)--The potassium ferrocyanide volumetric method for the determination of zinc oxide content