emma438
2 posts
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Joined September 2026
Recent activity
the thing that always gets me with these overseas shops is batch COA matching—if the COA number isn't printed on the vial label or box, matc…
One column I’d add after burning myself: “purity basis.” HPLC area% isn’t the same as peptide content by mass. If one COA’s 98.1% excludes w…