Scientific American Supplement, No. 447, July 26, 1884
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00 It is easily seen that _suint_ forms a very important constituent of rawwool. Its proportion varies, of course, according to the nature of thepasture on which the sheep are fed, the climate, etc. Wool from BuenosAyres, for example, contains much less than that analyzed by M. Chevreul; its amount is only 12 per cent. Of the weight of the raw wool.
This _suint_ contains always about 52 per cent. Of residue when ignited. The composition of this residue is: Per cent. Carbonate of potash 86. 78 C...hloride of potassium 6. 18 Sulphate of potash 2. 83 Silica, alumina, etc. 4. 21 ------ 100. 00 In 1859, MM. Maumene and Rogelet patented the use of the water inwhich wool has been washed as a source of potash, and at present theextraction of potash from _suint_ is practiced in France on a largescale. The wool is washed in a systematic manner, in casks, with coldwater, which runs out of the last cask with specific gravity 1. 1. Thesewashings are evaporated to dryness, and the residue is calcined in ironretorts, the gas evolved being used for illuminating purposes.
What to read after Scientific American Supplement, No. 447, July 26, 1884?
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To quickly assess the difficulty of the text, read a short excerpt:
00 It is easily seen that _suint_ forms a very important constituent of rawwool. Its proportion varies, of course, according to the nature of thepasture on which the sheep are fed, the climate, etc. Wool from BuenosAyres, for example, contains much less than that analyzed by M. Chevreul; its amount is only 12 per cent. Of the weight of the raw wool.
This _suint_ contains always about 52 per cent. Of residue when ignited. The composition of this residue is: Per cent. Carbonate of potash 86. 78 C...hloride of potassium 6. 18 Sulphate of potash 2. 83 Silica, alumina, etc. 4. 21 ------ 100. 00 In 1859, MM. Maumene and Rogelet patented the use of the water inwhich wool has been washed as a source of potash, and at present theextraction of potash from _suint_ is practiced in France on a largescale. The wool is washed in a systematic manner, in casks, with coldwater, which runs out of the last cask with specific gravity 1. 1. Thesewashings are evaporated to dryness, and the residue is calcined in ironretorts, the gas evolved being used for illuminating purposes.
What to read after Scientific American Supplement, No. 447, July 26, 1884?
You can find similar books in the "Read Also" column, or choose other free books by Various to read onlineMoreLess
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