Inorganic Ventures' 1000 ppm Oxalate for IC is a certified reference material set in a water matrix for stability. This oxalate standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . Size: …

Inorganic Ventures' 1000 ppm Phosphate for IC is a certified reference material set in a water matrix for stability. This phosphate standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . Size: …