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

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

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