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*Enter the lot number found on the product label to access the Certificate of Analysis and product instruction. If you are unable to find it, please submit a request form at the bottom.

Purple Paper

Quality Assurance

Certificate of Analysis

Search and download certificates of analysis for all our products. Enter a lot number or filter by product and membrane type.

Lot Number
Product ID
Product
Membrane
Size
Certificate Date
CoA
Instruction
320165A
98-0604-0217-3
Disk
C18-HD
47mm
11/07/2025
320164A
98-0604-0217-3
Disk
C18-HD
47mm
11/07/2025
320165A
98-0604-0218-1
Disk
C18-HD
90mm
11/07/2025
450058A
98-0405-0063-3
Disk
O&G
90mm
10/29/2025
450057A
98-0405-0063-3
Disk
O&G
90mm
10/29/2025
450057A
98-0405-0063-3
Disk
O&G
90mm
10/29/2025
450059A
98-0405-0065-5
Disk
O&G
47mm
10/29/2025
450056A
98-0405-0065-5
Disk
O&G
47mm
10/28/2025
450056A
98-0405-0063-3
Disk
O&G
90mm
10/28/2025
320162A
98-0604-0217-3
Disk
C18-HD
47mm
10/24/2025
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CoA Not Found.

Please submit a request form, we will upload it as soon as possible. 

Please submit the lot number. We will update it on our website as soon as possible and notify you by email once it is ready.

CoA Request Form

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