On the methodology for accounting for systematic error in determining the most reliable component contents in ores
Abstract
Check chemical analyses are absolutely mandatory during exploration works. In the case of significant discrepancies between the results of the primary and check analyses, the primary ones must be corrected or re-analyzed. The role of check analyses is very important in cases where the content approaches the limit of sensitivity of the analysis (for rare elements and trace elements). Discrepancies between primary and check analyses arise from random and systematic errors. When calculating average contents over a large number of samples, the influence of random errors is small, since they have different signs and cancel each other out. The influence of systematic errors, which are revealed by external control, is much stronger.
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