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Analytical chemistry
Industry: Chemistry
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Analytical chemistry
Optoacoustic detection method
Chemistry; Analytical chemistry
A method of detecting trace inpurities in a gas, in which the absorption of a sample of the gas at various light frequencies is measured by directing a periodically interrupted laser beam through the ...
Copper number
Chemistry; Analytical chemistry
The number of milligrammes of copper obtained by the reduction of Benedict’s or Fehling’s solution by 1 gramme of carbohydrate.
Turbidimetric analysis
Chemistry; Analytical chemistry
A scattered-light procedure for the determination of the weight concentration of particles in cloudy, dull, or muddy solutions; uses a device that measures the loss in intensity of a light beam as it ...
Organic quantitative analysis
Chemistry; Analytical chemistry
Quantitative determination of elements, functional groups, or molecules in organic materials.
Coulometric analysis
Chemistry; Analytical chemistry
A technique in which the amount of a substance is determined quantitatively by measuring the total amount of electricity required to deplete a solution of the substance.
Turbidimetric titration
Chemistry; Analytical chemistry
Titration in which the end point is indicated by the developing turbidity of the titrated solution.
Osmometer
Chemistry; Analytical chemistry
A device for measuring molecular weights by measuring the osmotic pressure exerted by solvent molecules diffusing through a semipermeable membrane.