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Analytical chemistry
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Analytical chemistry
Schulze’s reagent
Chemistry; Analytical chemistry
An oxidising mixture consisting of a saturated aqueous solution of KCIO 3 and varying amounts of concentrated HNO 3 ; commonly used in palynologic macerations.
Seliwanoff’s test
Chemistry; Analytical chemistry
A colour test helpful in the identification of ketoses, which develop a red colour with resorcinol in hydrochloric acid.
Rice’s bromine solution
Chemistry; Analytical chemistry
Analytical reagent for the quantitative analysis of urea; has 12.5% bromine and sodium bromide in aqueous solution.
Riegler’s test
Chemistry; Analytical chemistry
Analytical technique for nitrous acid; uses sodium naphthionate and _-naphthol.
RF value
Chemistry; Analytical chemistry
In chromatography, a measurement based on the relative distance travelled by a sample of a substance in a specific procedure; under standard conditions it is a characteristic property of the ...
Schiff’s reagent
Chemistry; Analytical chemistry
An aqueous solution of rosaniline and sulphurous acid; used in the Schiff test.
Zerewitinoff reagent
Chemistry; Analytical chemistry
A light-colored methylmagnesium iodide-n-butyl ether solution that reacts rapidly with moisture and oxygen; used to determine water, alcohols, and amines in inert solvents.
