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Forums›COA & Analytical Testing › Page 8

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COA & Analytical Testing

145 threads · 1.9K posts
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New Community-funded testing initiative — 6 month update
Dr.RheumBOS · Aug 5, 2024
11Replies
1.9KViews
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Dr.RheumBOS
Aug 5, 2024
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Hot LC-MS/MS vs HPLC for peptide analysis — November 2025
Dr.SportsMedIN · Jul 23, 2024
51Replies
2.3KViews
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Dr.SportsMedIN
Jul 23, 2024
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Study Understanding peptide purity percentages — what worked for you?
andrew_nyc · Jul 10, 2024
25Replies
2.4KViews
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andrew_nyc
Jul 10, 2024
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Guide COA database project — my results so far
nick_SD_fit · Jun 26, 2024
13Replies
2.1KViews
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nick_SD_fit
Jun 26, 2024
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New Residual solvent testing on COAs — anyone have experience?
ingrid_STO · Jun 13, 2024
9Replies
2.0KViews
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ingrid_STO
Jun 13, 2024
NM
Hot Has anyone dealt with moisture content analysis for lyophilized peptides?
newstart_MO · May 30, 2024
54Replies
2.8KViews
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newstart_MO
May 30, 2024
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New Amino acid analysis for peptide identity — looking for input
tom_AK · May 17, 2024
15Replies
2.1KViews
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tom_AK
May 17, 2024
WA
New How to commission independent testing — need advice
wendy_avl · May 3, 2024
18Replies
2.1KViews
WA
wendy_avl
May 3, 2024

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New Particulate matter testing — 6 month update
SarahChen_PharmD · Apr 19, 2024
14Replies
2.0KViews
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SarahChen_PharmD
Apr 19, 2024
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Hot Inter-lab variability in peptide testing — July 2024
JennaRN · Apr 5, 2024
32Replies
2.7KViews
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JennaRN
Apr 5, 2024
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Study COA red flag compilation — what worked for you?
mike_nyc · Mar 22, 2024
36Replies
2.7KViews
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mike_nyc
Mar 22, 2024
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Guide What even IS a COA and why should I care — my results so far
Dr.MetabolicMD · Mar 8, 2024
9Replies
2.1KViews
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Dr.MetabolicMD
Mar 8, 2024
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New My vendor COA looks sketchy - can someone take a look — anyone have experience?
BethLabQueen · Feb 22, 2024
12Replies
2.1KViews
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BethLabQueen
Feb 22, 2024
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Hot Has anyone dealt with are all coas created equal? mine looks different from others i see?
SteveThurs · Feb 8, 2024
36Replies
2.5KViews
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SteveThurs
Feb 8, 2024
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New Paid for independent testing and results did not match vendor COA — looking for input
PurityPaulOR · Jan 24, 2024
19Replies
2.2KViews
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PurityPaulOR
Jan 24, 2024
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