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Analytical chemistry
Industry: Chemistry
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Analytical chemistry
phenanthroline indicator
Chemistry; Analytical chemistry
A sensitive, red-colored specific reagent for iron.
displacement chromatography
Chemistry; Analytical chemistry
Variation of column-development or elution chromatography in which the solvent is sorbed more strongly than the sample components; the freed sample migrates down the column, pushed by the solvent.
acidimeter
Chemistry; Analytical chemistry
An apparatus or a standard solution used to determine the amount of acid in a sample.
phenol coefficient
Chemistry; Analytical chemistry
Number scale for comparison of antiseptics, using the efficacy of phenol as unity.
dissymmetry coefficient
Chemistry; Analytical chemistry
Ratio of the intensities of scattered light at 45 and 135_, used to correct for destructive interference encountered in light-scatteringphotometric analyses of liquid samples.
acidimetry
Chemistry; Analytical chemistry
The titration of an acid with a standard solution of base.
phosphate buffer
Chemistry; Analytical chemistry
Laboratory pH reference solution made of KH 2 PO 4 and Na 2 HPO 4 ; when 0.025 molal (equimolal of the potassium and sodium salts), the pH is 6.865 at 25_C.
