High-Performance Liquid Chromatography: an analytical method that separates and quantifies the components of a sample to determine purity.
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Glossary
Endotoxin
A bacterial contaminant that quality processes aim to minimize. Low endotoxin levels are important for many research applications.
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Purity
The percentage of the target compound relative to all peptide-related species in a sample, as measured by HPLC.
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TFA Salt
Trifluoroacetate salt: a counter-ion form left over from certain purification methods, reported on the certificate where relevant.
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