Inorganic Ventures' Anion Calibration Standard is a 125 mL certified reference material set in a water matrix for stability. This standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . Size: …

Inorganic Ventures' 1000 ppm Cation Calibration Standard for IC is a 125 mL certified reference material set in a nitric acid matrix for stability. This standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . …