ISI 21-1e Determination of Sand in Starch
Return 1. Scope The method is applicable to native starch. LT 18. Dec. 1966 Rev. LT 11.Dec.1998 2. Principle Incineration of starch sample at 525 o C and determination of the residue insoluble in hydrochloric acid. 3. Reagents 3.1 Hydrochloric acid, 10% solution Pour and mix carefully - use eye protection 3.2 Silver nitrate solution 4. Apparatus 4.1 Analytical balance weighing to the nearest 0.1 mg. 4.2 Ashing dish of platinum 4.3 Electrically heated furnace. 4.4 Desiccator with dry drying agent 4.5 Bunsen burner 4.6 Filter funnel with ash free filter, 9 cm diameter