Analytical chemistry

Analytical chemistry

Industry: Chemistry

Add a new term

Contributors in Analytical chemistry

Become a Contributors

Analytical chemistry

moving-boundary electrophoresis

Chemistry; Analytical chemistry

A U-tube variation of electrophoresis analysis that uses buffered solution so that all ions of a given species move at the same rate to maintain a sharp, moving front (boundary).

concomitant

Chemistry; Analytical chemistry

Any species in a material undergoing chemical analysis other than the analyte or the solvent in which the sample is dissolved.

trace element

Chemistry; Analytical chemistry

An element in a sample that has an average concentration of less than 100 parts per million atoms or less than 100 micrograms per gram.

near-infrared spectrophotometry

Chemistry; Analytical chemistry

Spectrophotometry at wavelengths in the near-infrared region, generally using instruments with quartz prisms in the monochromators and lead sulfide photoconductor cells as detectors to observe ...

In boiling-point determination, the temperature established on the bulb of a thermometer on which a thin moving film of liquid coexists with vapor from which the liquid has condensed, the vapor phase ...

transition interval

Chemistry; Analytical chemistry

In a titrimetric analysis, the range in concentration of the species being determined over which a variation in a chemical indicator can be observed visually.

neutralization number

Chemistry; Analytical chemistry

Petroleum product test; it is the milligrams of potassium hydroxide required to neutralize the acid in 1 gram of oil; used as an indication of oil acidity.