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Analytical chemistry
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Analytical chemistry
bonded-phase chromatography
Chemistry; Analytical chemistry
A type of high-pressure liquid chromatography which employs a stable, chemically bonded stationary phase.
recording balance
Chemistry; Analytical chemistry
An analytical balance equipped to record weight results by electromagnetic or servomotor-driven accessories.
floc test
Chemistry; Analytical chemistry
A quantitative test applied to kerosine and other illuminating oils to detect substances rendered insoluble by heat.
bromine number
Chemistry; Analytical chemistry
The amount of bromine absorbed by a fatty oil; indicates the purity of the oil and degree of unsaturation.
redox potentiometry
Chemistry; Analytical chemistry
Use of neutral electrode probes to measure the solution potential developed as the result of an oxidation or reduction reaction.
flow-programmed chromatography
Chemistry; Analytical chemistry
A chromatographic procedure in which the rate of flow of the mobile phase is periodically changed.
brown-ring test
Chemistry; Analytical chemistry
A common qualitative test for the nitrate ion; a brown ring forms at the juncture of a dilute ferrous sulfate solution layered on top of concentrated sulfuric acid if the upper layer contains nitrate ...
