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Analytical chemistry
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Analytical chemistry
distribution law
Chemistry; Analytical chemistry
The law stating that if a substance is dissolved in two immiscible liquids, the ratio of its concentration in each is constant.
acrolein test
Chemistry; Analytical chemistry
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.
phosphorimetry
Chemistry; Analytical chemistry
Low-temperature, analytical procedure related to fluorometry; based on the nature and intensity of the phosphorescent light emitted by an appropriately excited molecule.
distribution ratio
Chemistry; Analytical chemistry
The ratio of the concentrations of a given solute in equal volumes of two immiscible solvents after the mixture has been shaken and equilibrium established.
adsorption chromatography
Chemistry; Analytical chemistry
Separation of a chemical mixture (gas or liquid) by passing it over an adsorbent bed which adsorbs different compounds at different rates.
photoelectric absorption analysis
Chemistry; Analytical chemistry
Type of activation analysis in which the _-photon gives all of its energy to an electron in the crystal under analysis, generating a maximum-sized pulse for that particular _-energy.
double-blind sample
Chemistry; Analytical chemistry
In chemical analysis, a sample submitted in such a way that neither its composition nor its identification as a check sample is known to the analyst.
