Starches and derived products - Determination of sulfur dioxide content - Acidimetric method
|Publication Date:||1 December 1994|
|ICS Code (Starch and derived products):||67.180.20|
This standard specifies a method for the determination of the sulfur dioxide content of starches and derived products. Entrainment in a current of nitrogen of the sulfur dioxide extracted from the acidified and heated product, and fixing and oxidation of the sulfur dioxide by bubbling through a dilute solution of neutral hydrogen peroxide. Titration of the sulfuric acid formed with standard columetric sodium hydroxide solution.