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Certified Reference Material

CRM’s are made in accordance with the relevant ISO Guides and is tested by multiple global laboratories. Certificates and product information are available. Product is supplied in 2kg resealable plastic jars.  Also referred to as "rock standards" and "reference material".  Product is a fine powder.  Inquire for other elements and value ranges.



Image Item Name- Model Price
CRM Oxide Au 4.94ppm, Ag 47.5ppm

CRM Oxide Au 4.94ppm, Ag 47.5ppm

Item: 184517
$72.50



CRM Oxide Au 4.95ppm, Ag 458ppm

CRM Oxide Au 4.95ppm, Ag 458ppm

Item: 184518
$72.50



CRM Oxide Au 8.63ppm, Ag 4471ppm

CRM Oxide Au 8.63ppm, Ag 4471ppm

Item: 184519
$89.90



CRM Sulphide Au 4.88ppm, Ag 72.7ppm

CRM Sulphide Au 4.88ppm, Ag 72.7ppm

Item: 184516
$72.50