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Analytical chemistry
Industry: Chemistry
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Analytical chemistry
Hand sugar refractometer
Chemistry; Analytical chemistry
Portable device to read refractive indices of sugar solutions. Also known as proteinometer.
Certified reference material
Chemistry; Analytical chemistry
A reference material, one or more of whose property values are certified by a technically valid procedure, for which a certificate or other documentation has been issued by an appropriate certifying ...
Hardness test
Chemistry; Analytical chemistry
A test to determine the calcium and magnesium content of water.
Chemical dating
Chemistry; Analytical chemistry
The determination of the relative or absolute age of minerals and of ancient objects and materials by measurement of their chemical compositions.
Solvent front
Chemistry; Analytical chemistry
In paper chromatography, the wet moving edge of the solvent that progresses along the surface where the separation of the mixture is occurring.
Independent migration law
Chemistry; Analytical chemistry
The law that each ion in a conductiometric titration contributes a definite amount to the total conductance, irrespective of the nature of the other ions in the electrolyte.
Chemical indicator
Chemistry; Analytical chemistry
1. A substance whose physical appearance is altered at or near the end point of a chemical titration. 2. A substance whose colour varies as the concentration of hydrogen ions in the solution to which ...
