Messer N2 Nf Coa
This document is a certificate of analysis for "Nitrogen NF" produced by a company called "Messer." The analysis shows different test results and specification on the product. The date of production and the facility address is also present in the document. It mentions specific acceptable alternatives to the official "NF for Nitrogen Assay." The document also states that if the material is not delivered to an NF customer, it is "not approved for human drug use."*