A-A-20064
1/ Minimum (percent) through U.S. Standard sieve.
Viscosity Test for Type II Starch. When required, the apparent viscosity of Type II starch shall be determined using the Bostwick method. The readings shall be not less than 3.0 or more than 7.5 centimeters. The viscosity test shall be run after the starch is prepared as follows:
a. Weigh 170 grams of sugar and 27 grams of starch into a bowl of an electrically-operated mixer. Set at 200 rpm speed, using regular mixer blade. Mix sugar and starch until well blended.
b. Add 100 mL of distilled water at 77oF and mix 30 seconds more at a speed of 200 rpm.
c. Add 200 mL of distilled water (77oF) with sufficient citric acid solution (10 percent w/v) to adjust pH to 3.5 + 0.1.
d. Transfer the paste to a 600 mL pyrex beaker, cover with aluminum foil and place in oven at 425oF for 20 minutes.
e. Remove from oven and measure distance of flow (in centimeters) in 30 seconds, in a Bostwick consistometer at 170oF + 2oF.
Contractor’s certification.
By submitting an offer, the contractor certifies that the product offered meets the specified salient characteristics and requirements of this Commercial Item Description (CID); conforms to the producer’s own specifications and standards including product characteristics, manufacturing procedures, quality control procedures, and storage facilities located within the United States, its territories, or possessions; and is sold on the commercial market. The Government reserves the right to determine proof of such conformance prior to the first delivery from point of origin and any time thereafter, up to and including delivery at final destination, as may be necessary to determine conformance with the provisions of the contract.
Regulatory requirements.
The delivered product shall comply with all applicable Federal and State mandatory requirements and regulations relating to the preparation, packaging, labeling, storage, distribution, and sales of the product in the commercial marketplace. All deliveries shall conform in every respect to the provisions of the Federal Food, Drug, and Cosmetic Act and regulations promulgated thereunder.
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