1 Scope
This standard specifies the atomic absorption spectometry determination method for cadmium content of barite for import and export.
This standard is applicable to determination of cadmium content of barite for import and export within the range of 0.00004%~0.0018%.
2 Normative References
The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments (excluding corrigendum contents) to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents applies. For undated references, the latest editions of the normative documents apply.
Contents
1 Scope
2 Normative References
3 Method Summary
4 Reagents and Materials
5 Instruments
6 Sample
7 Analysis Procedures
8 Result Calculation
9 Accuracy
Appendix A (Informative) Working Conditions for Instruments