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Forums›COA & Analytical Testing › Page 5

COA & Analytical Testing

145 threads · 1.9K posts
F
Guide COA database project — my results so far
FitDadDave · Nov 4, 2025
8Replies
1.0KViews
F
FitDadDave
Nov 4, 2025
AA
New Residual solvent testing on COAs — anyone have experience?
anna.melb_AU · Oct 28, 2025
10Replies
1.3KViews
AA
anna.melb_AU
Oct 28, 2025
ZN
Hot Has anyone dealt with moisture content analysis for lyophilized peptides?
zoe_NC · Oct 21, 2025
31Replies
1.7KViews
ZN
zoe_NC
Oct 21, 2025
MT
New Amino acid analysis for peptide identity — looking for input
MeganSA_TX · Oct 13, 2025
16Replies
1.3KViews
MT
MeganSA_TX
Oct 13, 2025
JS
New How to commission independent testing — need advice
jennifer_SEA · Oct 5, 2025
13Replies
1.3KViews
JS
jennifer_SEA
Oct 5, 2025
B
New Particulate matter testing — 6 month update
BrianDallas92 · Sep 27, 2025
10Replies
1.2KViews
B
BrianDallas92
Sep 27, 2025
D
Hot Inter-lab variability in peptide testing — July 2024
Dr.GastroMayo · Sep 19, 2025
41Replies
1.5KViews
D
Dr.GastroMayo
Sep 19, 2025
AT
Study COA red flag compilation — what worked for you?
alex_tucson · Sep 11, 2025
20Replies
1.6KViews
AT
alex_tucson
Sep 11, 2025
D
Guide What even IS a COA and why should I care — my results so far
Dr.BariatricHTX · Sep 3, 2025
10Replies
1.4KViews
D
Dr.BariatricHTX
Sep 3, 2025
LS
New My vendor COA looks sketchy - can someone take a look — anyone have experience?
lucas_SP_BR · Aug 25, 2025
7Replies
1.3KViews
LS
lucas_SP_BR
Aug 25, 2025
DA
Hot Has anyone dealt with are all coas created equal? mine looks different from others i see?
DebRD_ATL · Aug 17, 2025
42Replies
1.9KViews
DA
DebRD_ATL
Aug 17, 2025
ME
New Paid for independent testing and results did not match vendor COA — looking for input
maria_elpaso · Aug 8, 2025
14Replies
1.4KViews
ME
maria_elpaso
Aug 8, 2025
D
New Is 98% purity actually good or should I be worried — need advice
Dr.PulmRoch · Jul 30, 2025
16Replies
1.4KViews
D
Dr.PulmRoch
Jul 30, 2025
FG
New HPLC vs UPLC for peptide purity — 6 month update
fiona_glasgow · Jul 21, 2025
12Replies
1.3KViews
FG
fiona_glasgow
Jul 21, 2025
HM
Hot Mass spectrometry for peptide identity verification — March 2026
hannah_MT · Jul 12, 2025
26Replies
1.9KViews
HM
hannah_MT
Jul 12, 2025
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