Colorint el r ic 9) I dhotls Tlie colorinietric incthods were iiost csnniincd. The insoluble compound, Cu(C5H5N),(CNS),,B precipitated in Spncu's rcnction is soluble in cliloroforni to give n green solution suitnble for colorinietric deterniinntion. Experiments shoired tlint the precipitnte did not
A colorimetric method for the determination of submicrogram quantities of protein
โ Scribed by G.Stanley McKnight
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- English
- Weight
- 368 KB
- Volume
- 78
- Category
- Article
- ISSN
- 0003-2697
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## Abstract A rapid and accurate method for determination of nicotine in a large number of plant or dust samples is described. Nicotine is extracted with light petroleum from an alkaline suspension of finely powdered material. The petroleum is then shaken with dilute hydrochloric acid and the aqueo