Abstract
The Influence of Clarifying Agents and Their Amounts on Determination of Starch Content of Cereals and Milling By‐ProductsBased on chemical analyses and statistical evaluation the clarifying agent after Carrez in amounts of 3 to 5 ml is recommended for starch determination according to Ewers in barley groats. Results obtained with same amounts of sodium and ammonium molybdate come very close to those obtained with this clarifying agent. Lead acetates and phosphotungstic acid as proposed at times proved to be inept.For feed products and bran the clarifying agent after Carrez and both molybdates are recommended in amounts of 5 ml or more. Sodium molybdate should be preferred to ammonium molybdate. Once again phosphotungstic acid proved least effective as a clarifying agent. It lead to significantly low values.
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