Manual of Chemical Analysis as Applied to the Examination of Medicinal Chemicals: A Guide for the Determination of Their Identity and Quality and for the Detection of Impurities and Adulterations : for the Use of Pharmaceutists, Physicians, Druggists, and Manufacturing Chemists, and of Pharmaceutical and Medical StudentsD. Appleton, 1877 - 393 páginas |
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Manual of Chemical Analysis as Applied to the Examination of Medicinal ... Friedrich Hoffmann Sin vista previa disponible - 2016 |
Términos y frases comunes
acetic acid acidulated added addition admixture agitated alcohol alkaline hydrates ammonium hydrate anhydrous aqua ammoniæ aqueous solution argentic nitrate arsenic barium chloride barium nitrate boiling calcium cent chlorine-water chloroform cipitate cold colorless completely precipitated concentrated sulphuric acid containing cooling copper crystalline cubic centimetres decomposed detected dilute solution dissolved drachms drops of solution effervescence ether evaporated Examination ferric ferrous filter filtrate fluid-drachms forming fuses glycerin grains grammes grav hydrochloric acid hydrosulphuric acid insoluble iodine liquid liquor potassæ litmus-paper magnesium mixed mixture moistened neutral nitric acid odor ounce over-saturated oxalic oxide platinum-foil plumbic potassium bicarbonate potassium ferrocyanide potassium hydrate potassium iodide powder quantity reaction reagent residue salt saturated sodium carbonate solu soluble in water solution of potassium solution of sodium spec strychnia subsequently sulphide sulphuric acid tartaric acid taste temperature test-solution test-tube tested tion transparent tube turbidity warm washed water of crystallization weight white precipitate white turbidity yellow zinc
Pasajes populares
Página 327 - of hydrochloric acid, and allow it to macerate for 24 hours. Transfer the whole to a small percolator, and, after the fluid has ceased to drop, add at intervals about an ounce and a half of similarly acidulated water, or until the fluid which passes through is free from
Página 66 - quantity of air is now sucked out of flask B by means of the tube d, whereby the air in A is likewise rarefied. On allowing the air to return, a quantity of the sulphuric acid ascends to the tube c, and flows over into flask A, causing a disengagement of
Página 1 - CHEMICAL ANALYSIS AS APPLIED TO THE EXAMINATION OF MEDICINAL CHEMICALS. A GUIDE FOR THE DETERMINATION OF THEIR IDENTITY AND QUALITY, AND
Página 327 - ceased to drop, add at intervals about an ounce and a half of similarly acidulated water, or until the fluid which passes through is free from color. Add to the percolated fluid, solution of
Página 327 - until nearly the whole of the coloring-matter has been removed, taking care that the fluid remains acid in reaction. Filter, and wash with
Página 327 - grains of potassium hydrate, or as much as will cause the precipitate, which is at first formed, to be nearly redissolved, and
Página 365 - for about two minutes. If the spirit is free from methylic alcohol, the solution darkens, and often assumes transiently a purplish tinge, but continues quite
Página 363 - there until it has acquired that temperature, will boil distinctly on the addition of a few small pieces of glass.
Página 389 - Pb Li Mg Mn Hg Mo Ni N O P Pt K Se Si Ag Na Sr S Sn Zn
Página 157 - Argentic nitrate is soluble in an equal weight of cold, and in half that quantity of boiling, water ; it is also