✦ LIBER ✦

The Characterization of Starch and Its Components. Part 3. The Technique of Semi-Micro, Differential, Potentiometric, Iodine Titration, and the Factors Affecting It

✍ Scribed by W. Banks; C. T. Greenwood; D. D. Muir

Publisher: John Wiley and Sons
Year: 1971
Tongue: English
Weight: 710 KB
Volume: 23
Category: Article
ISSN: 0038-9056
DOI: 10.1002/star.19710230403

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✦ Synopsis

An improved apparatus for the semi-micro, differential, potentiometric titration o f starch and its components with iodine is described. The necessary experimental manipulations are given in detail. The factors affecting the measurementthe amount of dimethylsulphoxide present, the buffer concentration, the method of dissolving the starch, the defatting procedure used on the starch, and the temperature of measurementare critically examined.

The new technique results in values of iodine binding capacity for starches which are 5 -1fr 010 higher than previous measurements. The significance of this finding is discussed.

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