G312-4 — Geostats reference material, Au 5.3 ppm, buy in Kazakhstan | GeoGroup
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G312-4 reference material

Certified values

Au, ppm5.3
Material typeCu-Au sulphide ore
ManufacturerGeostats
Packagingjar

Values from the manufacturer's certificate. Exact tolerances (1SD, confidence intervals) are given in the certificate supplied with the pack.

What it is used for

Inserted into gold sample batches to check fire assay accuracy. A grade of 5.3 ppm suits QC of high-grade samples.

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9 I. Omarov St, Astana, Kazakhstan