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Au.21.04 (2.3 ppm Au)

$7.35Price
Geochemical reference standard for gold concentration. Processed from calcareous silstone and limestone ore material. 
60 gram
Quantity

  • Additional metal concentrations

    Ag As Cu Mn Sb W
    18.9 3917.0 1759.5 727.7 793.7 111.2

    Concentrations are in ppm unless otherwise noted.
    Values are for informational purposes only and not certified.

Reference materials  available in 50 or 60 gram envelopes (25 g for Li-B standards) with sticker label for records. All reference materials are sieved to -80 mesh. 

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