This standard specifies the method for the determination of cadmium content in zinc and zinc alloys. This standard applies to the determination of cadmium content in zinc and zinc alloys. Measuring range: 0.001% to 0.5%.
GB/T 12689.12-1990 history
2004GB/T 12689.4-2004 The methods for chemical analysis of zinc and zinc alloys-The determination of copper content-The lead diethyldithio-carbamate spectrophotometric method and the flame atomic absorption spectrometric method and the electrolytic method
1990GB/T 12689.2-1990 Zinc and zinc alloys--Determination of copper content--Lead diethyldithio-carbamate spectrophotometric method
0000 GB 473-1976
GB/T 12689.12-1990 Zinc and zinc alloys--Determination of cadmium content--Flame atomic absorption spectrometric method was changed to GB/T 12689.3-2004 The methods for chemical analysis of zinc and zinc alloys-The determination of cadmium content-The flame atomic absorption spectrometric method.