Yellow-phosphorus sentence example

yellow-phosphorus
  • It is decomposed by water, and with a solution of yellow phosphorus in carbon bisulphide it gives a red powder of composition PBI 2, which sublimes in vacuo at 210° C. to red crystals, and when heated in a current of hydrogen loses its iodine and leaves a residue of boron phosphide PB.
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  • Orthophosphoric acid, H3P04, a tribasic acid, is obtained by boiling a solution of the pentoxide in water; by oxidizing, red phosphorus with nitric acid, or yellow phosphorus under the surface of water by bromine or iodine; and also by decomposing a mineral phosphate with sulphuric acid.
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  • The Curies showed that oxygen was convertible into ozone, and Sudborough that yellow phosphorus gave the red modification when submitted to their influence.
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  • More important is the so-called " red phosphorus," which is produced by heating yellow phosphorus to about 230 for 24 hours in an inert atmosphere, or in closed vessels to 300°, when the change is effected in a few minutes.
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  • The process consists in heating yellow phosphorus in iron pots provided with air-tight lids, which,.
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  • It is decomposed by water, and with a solution of yellow phosphorus in carbon bisulphide it gives a red powder of composition PBI 2, which sublimes in vacuo at 210° C. to red crystals, and when heated in a current of hydrogen loses its iodine and leaves a residue of boron phosphide PB.
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  • More important is the so-called " red phosphorus," which is produced by heating yellow phosphorus to about 230 for 24 hours in an inert atmosphere, or in closed vessels to 300°, when the change is effected in a few minutes.
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