How can a Certificate of Analysis (CoA) for chemicals be obtained?
COA for Chemicals
COAs for Hach chemicals can be downloaded from the Hach website. Follow the instructions below to download PDF copies of certificates of analysis.
- Determine the catalog number and lot number from the packaging.
- Go to the COA download request page.
- Enter the catalog number and lot number for the chemical and click 'Add'
- You can add as many different catalog numbers/lot numbers as needed.
- After you have completed your list, click 'Create Acrobat File.'
- Click 'Download Now'
- The COA(s) requested download as a single PDF file that can be printed or saved.
- If the COA requested is not found or other issues occur, click the link at the bottom of the page to contact the COA Support Team for further assistance.