Lab Science
HPLC vs. Mass Spectrometry: Two Tests, Two Questions
Every credible certificate of analysis relies on two analytical techniques: High-Performance Liquid Chromatography (HPLC) and Mass Spectrometry (MS). They are often mentioned…
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Lab Science
Understanding Peptide Purity: What HPLC and Mass Spec Actually Measure
Purity is the single most important specification on a research peptide, and also the most widely misunderstood. A label that reads ‘99%’…
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Lab Science
Calculating Concentration and Volume
The concentration of a reconstituted peptide is set entirely by two numbers you control: the mass of peptide in the vial and…
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