 Double-pleated filter paper (S. and S., No. 590, 15 cm.) shall be used. To 2 grams of kaolin add 75 cc of the tanning solution, stir, let stand fifteen minutes, and decant as much as possible. Add 75 cc more of the solution, pour on filter, keep filter...  Collegium ... - Page 781903Full view - About this book
 | United States. Bureau of Chemistry - Agricultural chemistry - 1900 - 984 pages
...solution, stir, let stand fifteen minutes, decant as much of the liquid as possible, add 75 cc more of the solution, pour on filter, keep filter full, reject the first 150 cc through, evaporate the next 100 cc. VI. NONTANXINS. — Read: " Prepare 20 grams of hide powder by... | |
 | Henry Richardson Procter - Leather - 1903 - 550 pages
...tanning solution, stir, let stand fifteen minutes, and decant as much as possible. Add 75 cc more of the solution, pour on filter, keep filter full, reject the first 150 cc of filtrate, evaporate the next 100 cc and dry. Evaporation during filtration must be guarded against. VI. NON-TANNINS.... | |
 | Samuel Russell Trotman - Chemistry, Technical - 1908 - 318 pages
...diameter. solution, stir, let stand 15 minutes, and decant as much as possible. Add 75 cc more of the solution, pour on filter, keep filter full, reject the first 150 cc of filtrate, evaporate the next 100 cc and dry. Evaporation during filtration must be guarded against. VI. NON-TANNINS.... | |
 | Samuel Russell Trotman - Chemistry, Technical - 1908 - 390 pages
...diameter. solution, Stir, let stand 15 minutes, and decant as much as possible. Add 75 cc more of the solution, pour on filter, keep filter full, reject the first 150 cc of filtrate, evaporate the next 100 cc and dry. Evaporation during filtration must be guarded against. VI. NON-TANNINS.... | |
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