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" ... Some salts combine with various proportions of water of crystallization according to the temperature at which crystallization takes place, the crystals assuming different forms according to the amount of water taken up ; sodium carbonate, sodium phosphate,... "
The Bulletin of Pharmacy - Page 15
1917
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Text-book of elementary chemistry

John Purdue Bidlake - 1858 - 288 pages
...air, but at a red heat crumbling down into the white powder known as plaster of Paris. 32. Some salts part with a portion of their water of crystallization when exposed to dry air, and crumble into powder, or, as it is termed, effloresce ; as carbonate of soda, acetate of...
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A Treatise on pharmacy for students and pharmacists

Charles Caspari - 1895 - 724 pages
...water taken up ; sodium carbonate, sodium phosphate, and zinc sulphate, are examples of this class. Some crystals will part with a portion of their water...their transparency and the surface becomes opaque from a deposit of dry powder. This change is termed efflorescence, and is frequently observed in Epsom salt,...
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Elementary Chemistry, for High Schools and Academies

Albert Llewellyn Arey - 1899 - 310 pages
...of crystallization. In some crystals the water is held so feebly that they lose either the whole or a portion of their water of crystallization when exposed to the air, and in so doing lose their particular geometrical form. This process is known as efflorescence. 0ther...
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Elementary Chemistry for High Schools and Academies: 1899

Albert Llewellyn Arey - 1899 - 298 pages
...of crystallization. In some crystals the water is held so feebly that they lose either the whole or a portion of their water of crystallization when exposed to the air, and in so doing lose their particular geometrical form. This process is known as efflorescence. Other...
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A Treatise on Pharmacy for Students and Pharmacists

Charles Caspari - 1901 - 804 pages
...water taken up ; sodium carbonate, sodium phosphate, and zinc sulphate are examples of this class. Some crystals will part with a portion of their water...are inclined to absorb moisture from the atmosphere, and in some instances to such an extent as even to liquefy ; the terms hygrozcopicity and deliquescence...
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A Treatise on Pharmacy for Students and Pharmacists

Charles Caspari - 1906 - 842 pages
...water taken up ; sodium carbonate, sodium phosphate, and zinc sulphate are examples of this class. Some crystals will part with a portion of their water...are inclined to absorb moisture from the atmosphere, and in some instances to such an extent as even to liquefy ; the terms hygroscopicity and deliquescence...
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A Treatise on pharmacy for students and pharmacists

Charles Caspari - 1906 - 814 pages
...water taken up ; sodium carbonate, sodium phosphate, and zinc sulphate are examples of this class. Some crystals will part with a portion of their water...crystallization when exposed to the air, particularly if the hitter is slightly warm ; they gradually lose their transparency and the surface becomes opaque from...
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