Inorganic Ventures' 1000 ppm Hafnium for ICP is a certified reference material set in a water (tr. nitric acid / HF) matrix for stability. This hafnium standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . …

Inorganic Ventures' 10 ppm Hafnium for ICP-MS is a certified reference material set in a water (tr. nitric acid / HF) matrix for stability. This hafnium standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date…

Inorganic Ventures' 100 ppm Hafnium for ICP-MS is a certified reference material set in a water (tr. nitric acid / HF) matrix for stability. This hafnium standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date…

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