- 行业: Printing & publishing
- Number of terms: 178089
- Number of blossaries: 0
- 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.
A test for the presence of glycerin or fats; a sample is heated with potassium bisulfate, and acrolein is released if the test is positive.
Industry:Chemistry
Low-temperature, analytical procedure related to fluorometry; based on the nature and intensity of the phosphorescent light emitted by an appropriately excited molecule.
Industry:Chemistry
Separation of a chemical mixture (gas or liquid) by passing it over an adsorbent bed which adsorbs different compounds at different rates.
Industry:Chemistry
An indicator used in solutions to detect slight excess of a substance or ion; precipitate becomes colored when the indicator is adsorbed. An example is fluorescein.
Industry:Chemistry
Measurement of the colorant concentration in a solution by means of the tristimulus values of three primary light filter-photocell combinations.
Industry:Chemistry
A chromatographic technique that utilizes the ability of biological molecules to bend to certain ligands specifically and reversibly; used in protein biochemistry.
Industry:Chemistry
A titration in which the titrant and solution cause the formation of a metal complex accompanied by an observable change in light absorbance by the titrated solution.
Industry:Chemistry
1. An apparatus for measuring the quantity of alkali in a solid or liquid. 2. An apparatus for measuring the quantity of carbon dioxide formed in a reaction.
Industry:Chemistry
Quantitative measurement of the concentration of bases or the quantity of one free base in a solution; techniques include titration and other analytical methods.
Industry:Chemistry
