AOAC Official Method 935.46 Gelatin
First Action 1935
Final Action
A. Preparation of Test Sample—Procedure
Mix ground gelatin thoroughly. Break sheet gelatin into small pieces by hand. Further comminution is unnecessary in either case.
B. Moisture
Proceed as in 925.09B (see 32.1.02), using 2 g test portion prepared as in A.
C. Ash
See 900.02A or B (see 44.1.05).
D. Nitrogen
Proceed as in 955.04C (see 2.4.03), using 1 g test portion. To convert to ash-free, anhydrous gelatin multiply by factor 5.55 (USDA Circ. 183, August 1931).