u/tuva_aalto

Contributes reviews on supplier material. Based in Kochi.

member · joined 11 Feb 2025

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c/coa·posted 8 days ago by u/tuva_aalto

which fields turn a COA from a specification into a result

which fields turn a COA from a specification into a result. Change my mind, genuinely — I have no stake in being right about this. Water content 3.8%, acetate 6.2%,…

Question 9 comments78% upvoted

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c/coa·posted 8 months ago by u/tuva_aalto

genuine question about COA that I am slightly embarrassed to ask

genuine question about COA that I am slightly embarrassed to ask. I am not trying to be the "source?" guy. I would just like a source. The four things a certificate…

Explainer 39 comments95% upvoted722

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Cake day 11 Feb 2025

Janoshik Analytical

Independent HPLC and mass spec. The number you get is the number they found.

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GL Biochem (Shanghai)

Custom peptides and amino acids direct from the manufacturer since 1998. ISO 9001 / cGMP. Batch COA every order.

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