From Spec to Bench: Understanding and Using USP Grade Reagents
“USP grade” on a chemical’s label means the article meets the identity tests, assays, impurity limits, packaging/labeling, and other requirements in an official USP–NF monograph for that ingredient (or dosage form). USP–NF is the combined compendium of the United States Pharmacopeia (USP) and ...
危险品化学品经营许可证（带存储）