Researches On the Arseniates Phosphates And Modifications of Phosphoric Acid
The book Researches On the Arseniates Phosphates And Modifications of Phosphoric Acid was written by author Thomas Graham Here you can read free online of Researches On the Arseniates Phosphates And Modifications of Phosphoric Acid book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Researches On the Arseniates Phosphates And Modifications of Phosphoric Acid a good or bad book?
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When this salt is added to nitrate of silver, the phosphoric acid is nearly entirely thrown down in gelatinous flakes, which aggregate together as a soft solid when heated near 2 1 2, and correspond in composition with the soda salt This silver precipitate loses acid when washed. It agrees 36 Graham. in properties with the biphosphate of silver described by BERZELIUS, which, when washed, appeared to pass into a sesquiphosphate. He formed it by adding phosphoric acid to nitrate of silver, but th...e phosphoric acid em- ployed by him must have been the glacial acid recently dissolved. * When the fused biphosphate of soda is added to muriate of barytes, nearly the whole of the phosphoric acid precipitates with the barytes as a flaky gelatinous precipitate, which contains only one atom barytes to the double atom phosphoric acid, like the soda salt. But all the new properties of this salt depend upon the acid having undergone an essential change in constitution. The acid may be separated in the usual way, namely, precipitating by acetate of lead, washing the phosphate of lead and decomposing it by a stream of sulphuretted hydrogen gas.
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