Conference Proceedings
The AusIMM Proceedings 1984
Conference Proceedings
The AusIMM Proceedings 1984
Some Comments on the Precision and Accuracy of Gold Analysis in Exploration
Three methods of gold analysis are briefly described highlighting some of the problems and advantages of each. The variation of results between samples and splits and due to method of preparation is illustrated. The mean per cent difference of the fire assay values from the means of sample split values for three cases is 15 per cent.Finally, a comparison of the aqua regia leach atomic absorption spectroscopy (AAS) and fire assay fusion AAS techniques is made.This shows that the mean precision, the ability to obtain the same value, of the methods at 98 per cent confidence is_x000D_
30 per cent and_x000D_
15 per cent respectively. The fire assay fusion AAS method is relatively more accurate than the aqua regia one.
30 per cent and_x000D_
15 per cent respectively. The fire assay fusion AAS method is relatively more accurate than the aqua regia one.
Contributor(s):
E D Bumstead
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- Published: 1984
- PDF Size: 2.584 Mb.
- Unique ID: P_PROC1984_1615