Inorganic Ventures' 10,000 ppm Zirconium for ICP is a certified reference material set in a hydrofluoric acid matrix for stability. This zirconium standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . …

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' 10,000 ppm Silicon for ICP is a certified reference material set in a nitric acid (tr. hydrofluoric acid) matrix for stability. This silicon standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year …