AssayIndex
Content & mass

Relative response factor

The detector response of an impurity per unit mass, relative to the parent. Assumed to be 1.00 in almost all purity determinations, and usually is not.

Related terms

Area percent
Purity expressed as the main peak's integrated area divided by the total integrated area of all peaks, times 100. A relative quantity. It is not a concentration and not a content.
Uncertainty budget
An itemised account of every contribution to a measurement's uncertainty. No supplier certificate in this index contains one.

Where this term appears

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