AssayIndex
Quality system

Reference standard

A material of known content used to quantify an analyte. Absent for most research peptides, which is why content is rarely measured.

Related terms

Assay
Quantification of an analyte against a material of known content. Distinct from area percent, which compares peaks within one chromatogram.
Amino-acid analysis (AAA)
Acid hydrolysis followed by chromatographic quantification of the liberated residues. The reference method for peptide content where no standard of the intact peptide exists.

Where this term appears

The glossary exists to make record pages readable without a chemistry degree. Every technical term on a report resolves here.