Essentials of Volumetric Analysis: An Introduction to the Subject, Adapted to the Needs of Students of Pharmaceutical Chemistry, Embracing the Subjects of Alkalimetry, Acidimetry, Precipitation Analysis, Oxidimetry, Indirect Oxidation, Iodometry, Assay Processes for Drugs, Estimation of Alkaloids, Carbolic Acid, Sugars, Theory, Application and Description of Indicators

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John Wiley & sons, Incorporated, 1917 - 366 من الصفحات
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الصفحة 367 - Gas Production; Paint; Printing; Sugar Manufacture; Textile. CHEMISTRY 4a General; Analytical, Qualitative and Quantitative; Inorganic; Organic. 4b Electro- and Physical; Food and Water; Industrial; Medical and Pharmaceutical; Sugar. CIVIL ENGINEERING 5a Unclassified and Structural Engineering. 5b Materials and Mechanics of Construction, including; Cement and Concrete; Excavation and Earthwork; Foundations; Masonry. 5c Railroads; Surveying. 5d Dams; Hydraulic Engineering; Pumping and Hydraulics;...
الصفحة 368 - Structural Engineering. 5b Materials and Mechanics of Construction, including; Cement and Concrete; Excavation and Earthwork; Foundations; Masonry. 5c Railroads; Surveying. 5d Dams; Hydraulic Engineering; Pumping and Hydraulics; Irrigation Engineering; River and Harbor Engineering; Water Supply. (Over) CIVIL ENGINEERING— Continued 5e Highways; Municipal Engineering; Sanitary Engineering? Water Supply. Forestry. Horticulture, Botany and Landscape Gardening. 6 — Design. Decoration. Drawing: General;...
الصفحة 281 - ... hour at the temperature of boiling water. The flasks should then be placed in a tray by the side of the balance and covered with a silk handkerchief until they are perfectly cool. They must not be wiped with a silk handkerchief within fifteen or twenty minutes of the time they are weighed.
الصفحة 318 - Open the stopcock of the measuring tube, raise the control-tube, and pour into the latter a saturated solution of NaCl until the measuring tube, including the bore of the stop-cock, is completely filled. Then close the stop-cock and fix the control-tube at a lower level. Now introduce into the funnel at the top of the measuring tube...
الصفحة 281 - The clear, supernatant fat is poured off and filtered through a dry filter-paper in a jacketed funnel containing boiling water. Should the filtered fat, in a fused state, not be perfectly clear, it must be filtered a second time. The...
الصفحة 368 - Analysis. MECHANICAL ENGINEERING lOa General and Unclassified; Foundry Practice; Shop Practice. lOb Gas Power and Internal Combustion Engines; Heating and Ventilation; Refrigeration. lOc Machine Design and Mechanism; Power Transmission; Steam Power and Power Plants; Thermodynamics and Heat Power. 1 1 — Mechanics. 12 — Medicine. Pharmacy. Medical and Pharmaceutical Chemistry.
الصفحة 282 - The flask during the saponification, which should last one hour, should be gently rotated from time to time, being careful not to project the soap for any distance up its sides. At the end of an hour the flask, after having been cooled to near the room temperature, is opened.
الصفحة i - ESSENTIALS OF VOLUMETRIC ANALYSIS. An Introduction to the Subject Adapted to the Needs of Students of Pharmaceutical Chemistry. Embracing the Subjects of Alkalimetry...
الصفحة 283 - ... should be removed from the bath and shaken to and fro until the frothing disappears. The last traces of alcohol vapor may be removed from the flask by waving it briskly, mouth down, to and fro.
الصفحة 339 - Finally, the residue is extracted with about five times its weight of boiling water, and the solution filtered. The filtrate is preserved as test solution, in widemouthed bottles, stoppered with loose plugs of cotton to exclude dust, but to admit air. When kept in closed vessels litmus solution gradually loses color, but this returns upon exposure to air and consequent absorption of oxygen. The fermentation to which the loss of color is due may be prevented by saturating the solution with NaCl.

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