When sourcing chemicals for industrial, laboratory, or pharmaceutical applications, understanding purity grades is essential.
What Are Chemical Purity Grades?
- Technical / Industrial Grade – Purity of 80–99%
- Laboratory / Reagent Grade – Purity of 95–99.5%
- ACS / AR Grade – Purity of 99.5%+
- HPLC Grade – Ultra-high purity 99.9%+
- Pharmaceutical / USP Grade – Meets USP standards
- Electronics / SEMI Grade – 99.999%+
2 Comments
A much-needed explanation for our quality assurance team. The differences between BP and USP grades are clearly explained. Thank you!
Could you write a follow-up article specifically about purity testing methods for essential oils? That would be very helpful for our industry.
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