Analytical chemistry

Analytical chemistry

Industry: Chemistry

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Analytical chemistry

Film-development chromatography

Chemistry; Analytical chemistry

Liquid-analysis chromatographic technique in which the stationary phase (adsorbent) is a strip or layer, as in paper or thin-layer chromatography.

Bioautography

Chemistry; Analytical chemistry

A bioassay based upon the ability of some compounds (for example, vitamin B 12 ) to enhance the growth of some organisms or compounds and to repress the growth of others; used to assay certain ...

Radioisotope assay

Chemistry; Analytical chemistry

An analytical technique including procedures for separating and reproducibly measuring a radioactive tracer.

Philtre photometry

Chemistry; Analytical chemistry

1. Colorimetric analysis of solution colours with a philtre applied to the eyepiece of a conventional colorimeter. 2. Inspection of a pair of Nessler tubes through a filter.

An analytical device that converts the concentration of an analyte in an appropriate sample into an electrical signal by means of a biologically derived sensing element intimately connected to, or ...

Radiometric analysis

Chemistry; Analytical chemistry

Quantitative chemical analysis that is based on measurement of the absolute disintegration rate of a radioactive component having a known specific activity.