gb12689.3
gb12689.3, Total:2 items.
The international standard classification for "gb12689.3" includes: Chemical analysis of metals , Lead, zinc, tin and their alloys .
The Chinese standard classification for "gb12689.3" 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 12689.3-2004 The methods for chemical analysis of zinc and zinc alloys—The determination of cadmium content—The flame atomic sbsorption spectrometric method
- GB/T 12689.3-1990 Zinc and zinc alloys--Determination of iron content--Sulphosalicylic acid spectrophotometric method
