An Outline of Qualitative AnalysisScientific publishing Company, 1893 - 58 pagina's |
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Veelvoorkomende woorden en zinsdelen
acetic acid Add dilute HCl add NH4OH albumin alcohol alkaline Aluminium ammonium Antimony arsenic arsenic acid barium bases Black ppt blow-pipe boiling borax Calcium tartrate carbonate CaSO4 characteristic test chloride chromate chromic CHROMIC ACID chromium citric cobalt compounds concentrated H2SO4 copper Deflagration dissolve evaporated to dryness evolved ferric ferrous filter and wash filtrate Filtrate contains flame green H₂S heat hydrochloric acid hydroxide insoluble in water magnesium manganese mercuric metals NaOH NaOH or KOH neutral NH4Cl nitrate nitric acid odor original solution oxalic acid oxide phosphate portion potassium potassium ferrocyanide Precipitate consists PRECIPITATE IS FORMED precipitate of calcium present reaction residue salt add NH4)2S SEPARATION OF GROUP silicate silver slight excess small quantity sodium solu soluble soluble in NH4)2S stannous strontium substance sulphate sulphide sulphur tartaric acid tartrate Test filtrate test tube urine White ppt white precipitate Yellow ppt yellow precipitate zinc
Populaire passages
Pagina 9 - Silver Sodium . . Strontium. . . Sulphur . . . Tantalum. . . . Tellurium. .. . Thallium. . . . Thorium Tin Titanium Tungsten .... Uranium Vanadium.
Pagina 9 - Sodium Strontium . Sulphur Tantalum . Tellurium . Thallium . Thorium . Tin Titanium . Tungsten . Uranium . Vanadium Yttrium . Zinc Zirconium...
Pagina 51 - ... liquid should result, which may be bottled and set aside for use. As usually made, it generally throws down a slight, reddish deposit upon standing a week or two. This, however, does not affect its value as a test ; in using, simply decant the clear liquid from the sediment.
Pagina 41 - The method given below ls has been found to be useful by the authors. Procedure.— Place a piece of the binder and a drop of concentrated phosphoric acid in a micro 15 x 125 mm. test tube fixed in an asbestos board. Cover the mouth of the test tube with a piece of filter paper moistened in aniline acetate solution (10% of aniline in 10% acetic acid) and weigh down with a watch glass.
Pagina 9 - Fe lanthanum La Lead Pb Lithium Li MAGNESIUM Mg Manganese Mn Mercury Hg Molybdenum Mo Nickel Ni...
Pagina 20 - ... of the filter paper with a glass rod, and wash the precipitate into t'he flask with hot water.
Pagina 5 - Durbar ; The King's Durbar of 1911. In the preparation of this book free use has been made of Mr. Fanshawe's Delhi : Past and Present, more especially in the compilation of its last Chapter; of Dr. Fergusson's Eastern and Indian Architecture in the description of its great architectural glories ; of the revised Imperial Gazetteer for the latest statistics relating to the city ; of Captain Trotter's...
Pagina 17 - As 2 0 3 solution has been added place the test tube in the draught cupboard. 33.—Marsh's test: Close the test tube as charged in the last experiment with a perforated stopper carrying a glass tube bent at right angles and drawn out to a point.