Inorganic Ventures' 1000 ppm Tungsten for ICP is a certified reference material set in a nitric acid (tr. hydrofluoric acid) matrix for stability. This tungsten standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration…

Inorganic Ventures' 100 ppm Tungsten for ICP-MS is a certified reference material set in a nitric acid (tr. hydrofluoric acid) matrix for stability. This tungsten standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year …