Methods for chemical analysis of zincoxide produced by direct process―Part 4：Determination of cadmium oxide content―Flame atomic absorption spectrometry method
GB/T 4372 consists of the following seven parts under the general title Methods for chemical analysis of zinc oxide produced by direct process:
——Part 1: Determination of zinc oxide content - Na2EDTA titration method;
——Part 2: Determination of lead oxide content - Flame atomic absorption spectrometry method;
——Part 3: Determination of copper oxide content - Flame atomic absorption spectrometry method;
——Part 4: Determination of copper, lead, iron, cadmium and manganese contents - Inductively coupled plasma atomic emission spectrometry;
——Part 5: Determination of manganese content - Flame atomic absorption spectrometry method;
——Part 6: Testing of metallic zinc;
——Part 7: Determination of ferric oxide content - Flame atomic absorption spectrometry method.
This part is Part 4 of GB/T 4372.
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
1 Scope
This part of GB/T 4372 specifies the methods for determining copper, lead, iron, cadmium and manganese contents of zinc oxide produced by direct process.
This part is applicable to the determination of copper, lead, iron, cadmium and manganese contents of zinc oxide produced by direct process. See Table 1 for the determination range of each element.
Foreword i
1 Scope
2 Method summary
3 Reagents
4 Apparatus
5 Specimen
6 Analysis procedures
7 Calculation of analysis result
8 Precision
9 Test report
