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Purification of dimethylformamide for use in nonaqueous titrations

โœ Scribed by R. E. Moskalyk; L. G. Chatten; M. Pernarowski


Publisher
John Wiley and Sons
Year
1961
Tongue
English
Weight
78 KB
Volume
50
Category
Article
ISSN
0022-3549

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Nonaqueous titration of sulfates of quin
โœ Sobhi A. Soliman; Hassan Abdine; Nashaat A. Zakhari ๐Ÿ“‚ Article ๐Ÿ“… 1976 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 409 KB ๐Ÿ‘ 1 views

A nonaqueous titrimetric method is proposed for determining the diastereomeric sulfates of quinine and quinidine. The sulfuric acid content of the alkaloid salts is precipitated, in the form of barium sulfate, with acetous barium acetate solution before the liberated alkaloid is titrated; the necess