Tag: Testing

This tag is related to any article which pertains to peptide testing of any kind.

HPLC and Mass Spectrometry: How Research Peptide Purity and Identity Are Tested

HPLC and Mass Spectrometry: How Research Peptide Purity and Identity Are Tested

Peptide Gold Author0

Two abbreviations appear constantly in discussions about research peptide quality: HPLC and MS. HPLC stands for High-Performance Liquid Chromatography. MS stands for Mass Spectrometry. Together, these analytical technologies provide researchers with powerful tools for examining peptide samples. Yet the two techniques do very different things. Understanding the difference helps explain why reputable peptide analysis frequently […]

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Understanding COAs: How to Read a Peptide Certificate of Analysis

Understanding COAs: How to Read a Peptide Certificate of Analysis

Peptide Gold Author0

When researching peptides, one abbreviation appears again and again: COA. COA stands for Certificate of Analysis. It is one of the most important documents associated with laboratory chemicals, including research peptides. Yet it is also one of the most commonly misunderstood. A COA may contain impressive-looking numbers, chromatograms, molecular weights and claims of 99% or […]

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COA for Peptides

What Is a COA for Peptides? How to Read a Certificate of Analysis

Peptide Gold Author0

When purchasing or evaluating research peptides, you will frequently encounter the term COA, or Certificate of Analysis. It is one of the most important documents associated with a peptide—but it is also one of the most commonly misunderstood. A Certificate of Analysis is essentially a laboratory report describing a particular sample or batch and the […]

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