A Manual of Qualitative Chemical Analysis |
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Page 29
... charcoal , and the pulverulent lamp - black , are familiar to every one . There is , however , one property which the student should observe with regard to wood- charcoal especially , viz . its power of absorbing and retaining gases ...
... charcoal , and the pulverulent lamp - black , are familiar to every one . There is , however , one property which the student should observe with regard to wood- charcoal especially , viz . its power of absorbing and retaining gases ...
Page 33
... charcoal , the mixture being afterwards placed in an earthen retort and strongly heated . Part of the oxygen of the phosphate of calcium is removed by the carbon , and phosphorus distils over . The annexed equation ex- presses this ...
... charcoal , the mixture being afterwards placed in an earthen retort and strongly heated . Part of the oxygen of the phosphate of calcium is removed by the carbon , and phosphorus distils over . The annexed equation ex- presses this ...
Page 59
... charcoal and 14 of flour , and boiling the resulting mass with water for a long time in a loosely - corked flask : the solution is to be filtered whilst hot with the same precaution as in the first process . The decompositions which ...
... charcoal and 14 of flour , and boiling the resulting mass with water for a long time in a loosely - corked flask : the solution is to be filtered whilst hot with the same precaution as in the first process . The decompositions which ...
Page 64
... charcoal ( C ) , copper ( Cu ) , or mercury ( Hg ) are boiled with concentrated sulphuric acid . The following changes occur : -- 2 ( H , SO , ) + C = 2 ( H , SO , ) + CO , 2 ( H2SO1 ) + 2Cu = H2 SO2 + Cu2 SO4 + H2 ( but the sulphurous ...
... charcoal ( C ) , copper ( Cu ) , or mercury ( Hg ) are boiled with concentrated sulphuric acid . The following changes occur : -- 2 ( H , SO , ) + C = 2 ( H , SO , ) + CO , 2 ( H2SO1 ) + 2Cu = H2 SO2 + Cu2 SO4 + H2 ( but the sulphurous ...
Page 66
... charcoal selected for blowpipe examinations should be made of sound beechwood , and should be free from bark or knots . If the pieces are about 1 inch in diameter , they should be sawn into pieces of about 4 inches in length , and each ...
... charcoal selected for blowpipe examinations should be made of sound beechwood , and should be free from bark or knots . If the pieces are about 1 inch in diameter , they should be sawn into pieces of about 4 inches in length , and each ...
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MANUAL OF QUALITATIVE CHEMICAL A. Beauchamp Northcote,A. H. (Arthur Harry) 1865-1937 Church No preview available - 2016 |
Common terms and phrases
acid elements acid gas action alcohol alkaline ammonium salts anhydride antimony arsenic barium barium salts basic radicals bismuth blowpipe blue bodies borax bromine calcium carbonate of ammonium carbonate of potassium carbonate of sodium cerium charcoal chemical chloric acid chloride of ammonium chromate cipitate cobalt colour colourless containing copper crystalline crystals CUPRIC SALT cyanide decomposed decomposition dilute dissolves ferric salt ferrocyanide ferrocyanide of potassium ferrous formula fused heated Hydrate is produced hydrate of ammonium hydrate of potassium hydrochloric acid hydrogen HYDROGEN SALT hydrosulphuric acid insoluble in water insoluble salts iodide lead salts liquid MERCUROUS SALT metal neutral nitric acid obtained odour oxalic acid oxide oxygen phosphate phosphate of sodium platinum potassium or ammonium powder precipitate present readily SALT is produced salt-radical SALTS are soluble SILVER SALT slightly soluble sodium soluble soluble in excess solution STRONTIUM subdivision substance sulphate sulphide sulphuric acid temperature volatile white precipitate yellow yttrium zinc
Popular passages
Page 428 - Nearly six hundred families are noticed in this work, and besides the several descriptions of fish. fishing-nets. and boats. are included also mermaids, tritons, and shell-fish. Nearly seventy ancient seals are described, and upwards of twenty subjects in stained glass.
Page 427 - Eggs in this edition are from different specimens to those figured in the previous editions. Systematic Catalogue of the Eggs of British Birds, arranged with a View to supersede the use of Labels for Eggs. By the Rev. SC MALAN, MA, MAS On writing-paper. 8vo, 8s. 6d.