IDEX Home Page Place Order

Design/Application Request | Distributors | Contact Us

Advanced Search | Product Locator

Upchurch: Glossary of Terms

This glossary of terms has been compiled for your convenience. To view the terms and their descriptions, click a letter from the list below.

A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z

Q

Qualitative Analysis
The determination of which compounds are present in a sample. In LC, this is usually done by comparing retention times for bands in the unknown sample with retention times for various pure compounds suspected to be present in the sample.

Quantitative Analysis
The analysis of a sample to determine the concentrations of different compounds in the sample. Quantitative analysis in LC is usually based on the size of the bands in the sample chromatogram (peak height or area) compared to band size of a sample with a known concentration (the calibrator or standard).

Quaternary-Solvent Mobile Phase
A MOBILE PHASE composed of four solvents.

Back to Top