ASTM E1805
Standard Test Method for Determination of Gold in Copper Concentrates by Fire Assay Gravimetry
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About This Item
ASTM E1805 is the ASTM standard for determining gold in copper concentrates by fire assay gravimetry. It provides a technical framework for measuring gold content in this material using an established analytical approach, helping laboratories and buyers support consistent results. By focusing on a defined test method, the standard is useful wherever accurate gold determination is needed for product evaluation, reporting, or commercial decision-making in copper concentrate workflows.
Purpose of ASTM E1805
The purpose of ASTM E1805 is to describe a standard test method for assessing gold in copper concentrates through fire assay gravimetry. In practice, this gives laboratories a common procedure for preparing and analyzing samples so results are more comparable across testing programs. Because the method is tied to a specific material and analyte, it supports more reliable measurement and reduces uncertainty when gold content is part of quality or value assessment.
Common use cases of ASTM E1805
This standard is commonly used in laboratory settings that test copper concentrates for precious metal content. It is relevant when gold concentration must be determined for assay reporting, product acceptance, or contract-related analysis. ASTM E1805 is also useful in analytical workflows that rely on fire assay and gravimetric measurement, where a defined method helps maintain consistency between sample batches, instruments, and testing personnel.
Why ASTM E1805 matters
ASTM E1805 matters because gold content in copper concentrates can influence product valuation, reporting accuracy, and commercial confidence. A recognized standard test method helps support consistent laboratory practice and improves the credibility of test results. For organizations involved in procurement, production control, or independent analysis, using ASTM E1805 can reduce disputes, improve comparability, and strengthen quality control around precious metal determination.
- Fire assay gravimetric test method
- Gold determination in copper concentrates
- Laboratory comparison and consistency
- Quality control and assay reporting
- Publication Date: 2021-10-15
- Publisher: ASTM
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