- 行业: Printing & publishing
- Number of terms: 178089
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- Company Profile:
McGraw Hill Financial, Inc. is an American publicly traded corporation headquartered in Rockefeller Center in New York City. Its primary areas of business are financial, publishing, and business services.
Any species in a material undergoing chemical analysis other than the analyte or the solvent in which the sample is dissolved.
Industry: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.
Industry: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 absorption bands which are harmonics of bands at longer wavelengths.
Industry:Chemistry
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 being replenished at the moment of measurement from a boiling-liquid phase.
Industry: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.
Industry: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.
Industry:Chemistry
A titration in which electrical conductance of a solution is measured during the course of the titration.
Industry:Chemistry
The time interval needed for a working (nonreference) electrode to become polarized during chronopotentiometry (time-measurement electrolysis of a sample).
Industry:Chemistry
Glass apparatus used to collect and measure nitrogen and other gases evolved by a chemical reaction. Also known as azotometer.
Industry:Chemistry
