Our office will be closed Thursday November 23rd and Friday November 24th in observance of the Thanksgiving holiday. Our office will resume normal business hours on Monday November 27th and all orders will be processed accordingly. 

Inorganic standards &
Custom reference materials

Certified Reference Materials manufactured by Inorganic Ventures

ISO Guide 34, "General Requirements for the Competence of Reference Materials Producers", establishes the stringent requirements that we must adhere to in the production of Certified Reference Materials. Our accreditation to ISO Guide 34 involves not only technical competence and good quality management practices, but incorporates the verification of critical production criteria specific to reference material producers. Inorganic Ventures has been accredited to ISO Guide 34 longer than any other inorganic standards manufacturer.

Unless otherwise specified, chromium is present in our products as chromium (III).