 ... or 3 cc. of bromine (if the acetone extract indicates a large amount of free sulfur, the amount of bromine should be increased). Heat gently on the steam bath until the solution is practically colorless and filter into a 400-cc. beaker. Dilute with...  Crude Rubber and Compounding Ingredients - Page 316by Henry Clemens Pearson - 1918 - 420 pagesFull view - About this book
 | United States. National Advisory Committee for Aeronautics - Aeronautics - 1917 - 650 pages
...TO H£AT — OVEN AT 7O*C. bath until the solution is practically colorless and filter into a 250 cc beaker. Cover the beaker with a watch glass, heat...overnight. The next day filter the precipitate on 11-cm. 590 S. & S. filter paper. Ignite in a small porcelain crucible, using a small Bunsen flame,... | |
 | Materials - 1918 - 992 pages
...colorless and filter into a 400-cc. beaker. Dilute with distilled water until the volume is about 400 cc. Cover the beaker with a watch glass, heat to boiling on the steam bath, add 10 cc. of 10-per-cent barium-chloride solution and allow the precipitate to stand over night. The next day filter... | |
 | George Stafford Whitby - Rubber - 1920 - 604 pages
...66. gently on the steam bath until the solution is practically colourless, and filter into a 25o-cc beaker. Cover the beaker with a watch glass, heat...solution, and allow the precipitate to stand overnight.." In the present writer's experience bromine is a satisfactory agent for the oxidation of the acetone... | |
 | George Stafford Whitby - Rubber - 1920 - 608 pages
...66. gently on the steam bath until the solution is practically colourless, and filter into a 25o-cc beaker. Cover the beaker with a watch glass, heat to boiling on the steam bath, add 10 cc of ro per cent, barium chloride solution, and allow the precipitate to stand overnight." In the present... | |
 | George Stafford Whitby - Rubber - 1920 - 604 pages
...389. gently on the steam bath until the solution is practically colourless, and filter into a 25o-cc beaker. Cover the beaker with a watch glass, heat to boiling on the steam bath, add 1o cc of 1o per cent. barium chloride solution, and allow the precipitate to stand overnight." In the... | |
 | Weights and measures - 1912 - 726 pages
...according to paragraph 15), add 7 to 8 cc concentrated hydrochloric acid to the nitrate, cover, and heat to boiling on the steam bath. Add 10 cc of 10 per cent barium chloride solution, and allow to stand overnight. Treat the barium sulphate precipitate as under paragraph n. Calculate to sulphur... | |
 | American Society for Testing and Materials - Building materials - 1916 - 778 pages
...colorless and filter into a 400-cc. beaker. Dilute with distilled water until the volume is about 400 cc. Cover the beaker with a watch glass, heat to boiling on the steam bath, add 10 cc. of 10-per-cent barium-chloride solution and allow the precipitate to stand over night. The next day filter... | |
 | American Society for Testing Materials - Building materials - 1928 - 1212 pages
...into a 400-cc. beaker. Dilute with distilled water until the volume is about 400 cc. Cover the beakei with a watch glass, heat to boiling on the steam bath, add 10 cc. of barium-chloride solution (10-per-cent) and allow the precipitate to stand over night. The next day... | |
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