Examinations in anatomy, physiology, practice of physic, surgery, materia medica, chemistry and pharmacy : for the use of students / by Robert Hooper.

Hooper, Robert, 1773-1835.

Date:: 1814

Credit: Examinations in anatomy, physiology, practice of physic, surgery, materia medica, chemistry and pharmacy : for the use of students / by Robert Hooper. Source: Wellcome Collection.

Provider: This material has been provided by Royal College of Physicians, London. The original may be consulted at Royal College of Physicians, London.

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$90. Q. What is tlie difference between sal fartari, sal absin- ' tliii, and sub-carbonas potassK ? A. \’ery little difference, excepting in the proportion of car- bonic acid with which they are conibincd; they aie all sub-car- ' bonutes of potash, but arc differently obtained. 91. Q. What are the preparations of potash directed to be vuaed by the London College.’ A. Acetas potassae, sulphas potassa;, super-sulphas potassx, 'tartras potassa-, sub-carbonas potassa;, carbonas potassie, li<|uor ■aub-carl>onatis jintassae, li(|uor potassae, potassa fusu, potassa I cum calce. 92. Q. What are the nitrates used in medicine ? i A. The nitrates used in medicine are the nitrate of potash and e nitrate of silver. 93. Q. How are the carbonates known ? A. They arc decomposed by all the acids, producing an effer- sescence, and they preserve their alkaline properties in some iJcgree. 94. Q. What carbonates arc used in medicine ? A. The carbonates used in medicine arc, carbonate of barytes, ?carbonate of lime, of magnesia, of (totash, of soda, of ammo- nia, of zinc, and of iron. 95. U. How is the potassa fusa obtained ? A. By evaporating the water from the liquor potassaf, melting boe salt, and casting it into proper moulds. 96. Q. How is the liquor potasscu made ? I A. By putting together sulr-carbonate of potash, quick lime, nd hot water, suffering them to remain a length of time, then Altering. 97. U. Why is the lime added ?$