Web(a) General. The proof of spirits shall be determined to the nearest tenth degree which shall be the proof used in determining the proof gallons. (b) Solids content not more than 600 milligrams. Except as otherwise authorized by the appropriate TTB officer, the proof of spirits containing not more than 600 milligrams of solids per 100 milliliters of spirits shall … WebApr 1, 2024 · Dissolved solids may obscure the true proof of a sample. Learn how to determine proof obscuration using the evaporation method.
OBSCURATION English meaning - Cambridge Dictionary
WebThis obscuration is because alcohol is less dense than water but sugar is more dense than water. Adding sugar increases the density of the liquor and therefore masks or obscures the alcohol content. In the USA the TTB allows distillers to use their "proofing by obscuration" method for liquors containing less than 600 mg of dissolved solids per 100 ml of spirit. WebThe proof of the restored distillate is then determined by use of a precision hydrometer and thermometer in accordance with the provisions of § 30.23 to the nearest 0.1 degree of proof. The difference between the proof so determined and the apparent proof of the undistilled sample is the obscuration; or. ( d) Pycnometer method. birt \\u0026 co tenby
(PDF) Laboratory Techniques for Small Distilleries TTB Expo ...
WebJul 5, 2024 · Multiply the weight of the residue by 4 to determine the weight of solids in 100 milliliters. The resulting weight per 100 milliliters multiplied by 4 will give the obscuration. Experience has shown that 0.1 gram (100 milligrams) of solids per 100 milliliters of spirits in the range of 80–100 degrees proof will obscure the true proof by 0.4 ... WebHigh solid spirits must be distilled before proofing. Learn how to distill samples using a small laboratory distillation unit. WebJul 1, 2024 · If you have questions regarding permits, applications, bonds, tax payments, etc., you may contact the National Revenue Center at [email protected] or at 877-882-3277 (Toll Free) or see more distilled spirits contacts . dark apostle warhammer