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 …

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…