The Ricca Chemical phosphate phosphorus standard with composition of 99.96% water and

The Ricca Chemical phosphorus standard with composition of 99.56% water and 0.44% potassium dihydrogen phosphate is suitable for use in research and laboratory. It can be stored at a temperature of 15 to 30 degree C.

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

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

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