The Pharmaceutical era . - expensive product, and it was not untilafler the publication by Schei-le in 1771 of the fact thatbone coiiMinlnl largely of calcium phosphate that theclement began to U- obtained from bone ash. Until1772 it was believeil to be a compound of phlogistonwith an acid, but in thai year the French chemist Lav-oisier hhowe/icro, tol»-nr, and was originally applied to any substance whichIx-caiiii luminous in the dark, as barium sulfid, etc. -On account of its great affinity foroxygen the element is Natural never found in thefree state, but al-ways as the phos-p


The Pharmaceutical era . - expensive product, and it was not untilafler the publication by Schei-le in 1771 of the fact thatbone coiiMinlnl largely of calcium phosphate that theclement began to U- obtained from bone ash. Until1772 it was believeil to be a compound of phlogistonwith an acid, but in thai year the French chemist Lav-oisier hhowe/icro, tol»-nr, and was originally applied to any substance whichIx-caiiii luminous in the dark, as barium sulfid, etc. -On account of its great affinity foroxygen the element is Natural never found in thefree state, but al-ways as the phos-phates of calcium,aluminum, iron andother elements. Oneof the crystalizedforms of calciumphosphate is knownas apatite, and thealuminum compoundas wavellite. Thephosphates are quitegenerally distributeo8itKiif vast extent inFlorida, the Coro-liiias, and in variousolliL-r parts of theglobe. The pbos-Flg. 33. Distillation of Phosphorus, phates are essentialto all fruitful soils,and are found in all vegetable and animal phosphate is the chief solid constituent of thebony skeleton, and compounds of phosphorus are univer-sally present in the brain and nerve tissues of the higheranimals. Prepiritlon.—Phosphorus is usually prepared from thebone nsh which is largely obtaineil from the spent .ini-mal charcoal of the sugar rcGiieries. The bone ash, con-sisting mainly of calcium phosphate, is treated with di-lute sulfuric acid, by which means a mixture of ca


Size: 1283px × 1948px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, booksubjectdrugs, booksubjectpharmacy, bookyear1