Terms beginning with Q
4 of 238 glossary terms.
- Qualification threshold
- The level above which an impurity must be shown to be biologically qualified. Not applicable to research material and included here for completeness.
- Quadrupole
- A mass analyser using oscillating electric fields. Robust, inexpensive, unit resolution.
- Quantitative NMR (qNMR)
- Absolute quantification by NMR against an internal standard of certified purity. Method-independent and rarely used in this market.
- Quantile
- A value below which a stated proportion of observations fall. The index uses the type 7 definition and says so.
see also Identification threshold
see also Unit resolution
see also Assay · Reference standard
see also Median · Interquartile range (IQR)