Certificates of Analysis (COA)
Certificates of Analysis (COA)
A Certificate of Analysis (COA) is an official document issued by Trigas USA that certifies the composition and concentration of each calibration gas cylinder. Each COA includes the gas mixture components, certified concentrations, balance gas, cylinder pressure, lot number, and expiration date.
Trigas USA calibration gas mixtures are produced under strict quality certifications, ensuring the highest standards of accuracy and traceability.
How to Request a COA COA documents are available for all orders. To request a COA, please contact us with the following information:
- Order number or cylinder lot number
- Your name and company name
- Your email address
Contact: 📧 sales@trigas-usa.com 📞 +1 (954) 573-5060
We will respond to all COA requests within 1 business day.