GB/T 4372.4-2001 Methods for chemical analysis of zinc oxide produced by direct process--Determination of cadmium oxide content--Atomic absorption spectrometry method (English Version)
This standard specifies the determination method of cadmium oxide content in zinc oxide by direct method. This standard applies to the determination of cadmium oxide content in zinc oxide by direct method. Measuring range: 0.0020% to 0.30%.
GB/T 4372.4-2001 history
2015GB/T 4372.4-2015 Methods for chemical analysis of zinc oxide produced by direct process.Part 4:Determination of copper,lead,iron,cadmium and manganese contents.Inductively coupled plasma atomic emission spectrometry
2014GB/T 4372.5-2014 Methods for chemical analysis of zinc oxide produced by direct process.Part 5:Determination of manganese content.Flame atomic absorption spectrometry method
2001GB/T 4372.5-2001 Methods for chemical analysis of zinc oxide produced by direct process--Determination of zinc oxide manganese content--Atomic absorption spectrometry method
1984GB/T 4372.4-1984 Methods for chemical analysis of zinc oxide(direct process)--The potassium periodate photometric method for the determination of manganese content
GB/T 4372.4-2001 Methods for chemical analysis of zinc oxide produced by direct process--Determination of cadmium oxide content--Atomic absorption spectrometry method has been changed from GB/T 4372.2-1984 Methods for chemical analysis of zinc oxide(direct process)--The phosphoric acid supporting electrolyte polarographic methods for the determination of lead oxide and cadmium oxide contents.