Retention time

Retention time

In gas chromatography, the time at which the center, or maximum, of a symmetrical peak occurs on a gas chromatogram.

This is auto-generated content. You can help to improve it.

0 0

Improve it

Add an image

Part of Speech: noun
Synonym(s):
Blossary:
Industry/Domain: Chemistry
Category: Analytical chemistry
Company: McGraw-Hill
Product:
Acronym-Abbreviation:

Collect to Blossary

Other Languages:

Related terms

retention time

Chemistry; Analytical chemistry

In gas chromatography, the time at which the center, or maximum, of a symmetrical peak occurs on a gas chromatogram.

retention time

Oil & gas; Oilfield

The amount of time a liquid stays in a vessel. The retention time assures that equilibrium between the liquid and gas has been reached at separator pressure. The retention time in ...

retention time

Oil & gas; Oilfield

The time, based on the separator volume and shape and the fluid flow rate that produced fluids spend in a separator. It is based on the time needed to separate an emulsion.

hydraulic retention time (HRT

Environment; Pollution

The hydraulic retention time (HRT), also known as hydraulic residence time or t (tau), is a measure of the average length of time that a soluble compound remains in a constructed ...

solids retention time (SRT)

Environment; Pollution

The Solids Retention Time (SRT) is the average time the activated-sludge solids are in the system. The SRT is an important design and operating parameter for the activated-sludge ...

time

Music; Classical

Signature A numeric symbol in sheet music determining the number of beats to a measure.

freeboard

Chemistry; Analytical chemistry

The space provided above the resin bed in an ion-exchange column to allow for expansion of the bed during backwashing.

calibration reference

Chemistry; Analytical chemistry

Any of the standards of various types that indicate whether an analytical instrument or procedure is working within prescribed limits; examples are test solutions used with pH ...

relative stability test

Chemistry; Analytical chemistry

A color test using methylene blue that indicates when the oxygen present in a sewage plant’s effluent or polluted water is exhausted.

fusion tube

Chemistry; Analytical chemistry

Device used for the analysis of the elements in a compound by fusing them with another compound; for example, analysis of nitrogen in organic compounds by fusing the compound with ...

capacity

Chemistry; Analytical chemistry

In chromatography, a measurement used in ion-exchange systems to express the adsorption ability of the ion-exchange materials.

replication

Chemistry; Analytical chemistry

The formation of a faithful mold or replica of a solid that is thin enough for penetration by an electron microscope beam; can use plastic (such as collodion) or vacuum deposition ...