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

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