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27 C.F.R. § 21.96   Ammonia, aqueous.

Title 27 - Alcohol, Tobacco Products and Firearms

Title 27: Alcohol, Tobacco and Firearms
PART 21—FORMULAS FOR DENATURED ALCOHOL AND RUM
Subpart E—Specifications for Denaturants

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§ 21.96   Ammonia, aqueous.

(a) Alkalinity. Strongly alkaline to litmus.

(b) Ammonia content. 27 to 30 percent by weight. Accurately weigh a glass-stoppered flask containing 25 ml of water, add about 2 ml of the sample, stopper, and weigh again. Add methyl red indicator, and titrate with 1 N sulfuric acid. Each ml of 1 N sulfuric acid is equivalent to 17.03 mg of NH₃

(c) Color. Colorless liquid.

(d) Non-volatile residue. 2 mg maximum. Dilute a portion of the sample with 11/2 times its volume of distilled water. Evaporate 10 ml of this product to dryness in a tared platinum or porcelain dish. Dry residue at 105 °C. for 1 hour, cool and weigh.

(e) Odor. Characteristic (exceedingly pungent).

(f) Specific gravity at 20 °/4 °C. 0.8920 to 0.9010.

[T.D. ATF–133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF–442, 66 FR 12854, Mar. 1, 2001]

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