The "Shaking Out" Method for the Quantitative Estimation of Alkaloids (Classic Reprint) - Hardcover

Thomas S. Hamilton

9780428568481: The "Shaking Out" Method for the Quantitative Estimation of Alkaloids (Classic Reprint)

Hardcover

ISBN 10: 0428568483 ISBN 13: 9780428568481

Publisher: Forgotten Books, 2019

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Excerpt from The "Shaking Out" Method for the Quantitative Estimation of Alkaloids

In most cases the alkaloid is separatei from the coloring matter, tannins, etc. By shaking the acid solution a few times with an immiscible organic solvent. Beal and Lewis1 pointed out that in this process several sources of error are introduced. ~in the first place, the alkaloidal salt may be slightly soluble in the organic solvent. There is also the possibility of the salt being hydrolysed.by'the water present into the free alkaloid ani the acid and in this case the free alkaloid wouli_be reaiily soluble in the solvent giving low results at the end.

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