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A COLORIMETRIC METHOD FOR THE DETERMINATION OF SMALL QUANTITIES OF POTASSIUM.

โœ Scribed by Hill, Lucian A.

Book ID
125995057
Publisher
American Chemical Society
Year
1903
Tongue
English
Weight
147 KB
Volume
25
Category
Article
ISSN
0002-7863

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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