Analytical chemistry

Analytical chemistry

Industry: Chemistry

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Analytical chemistry

normal bonded-phase chromatography

Chemistry; Analytical chemistry

A technique of bonded-phase chromatography in which the stationary phase is polar and the mobile phase is nonpolar.

control sample

Chemistry; Analytical chemistry

A material of known composition that is analyzed along with test samples in order to evaluate the accuracy of an analytical procedure. Also known as check sample.

transmittance

Chemistry; Analytical chemistry

During absorption spectroscopy, the amount of radiant energy transmitted by the solution under analysis.

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 milligrams of copper obtained by the reduction of Benedict’s or Fehling’s solution by 1 gram 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 ...