Blowpipe Analysis |
From inside the book
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Page 24
... moistened blue litmus paper [ No. 71 ] . 15. Arsenic . A very volatile white sublimate of arsenic trioxide is formed , consisting of minute octo- hedral crystals . By gently heating , it may be driven from one part of the tube to ...
... moistened blue litmus paper [ No. 71 ] . 15. Arsenic . A very volatile white sublimate of arsenic trioxide is formed , consisting of minute octo- hedral crystals . By gently heating , it may be driven from one part of the tube to ...
Page 36
... moistened or heated , plunged into the borax powder , and afterwards heated to fuse the adhering material . These operations are repeated until a sufficiently large bead is obtained . The microcosmic salt bead is similarly obtained ...
... moistened or heated , plunged into the borax powder , and afterwards heated to fuse the adhering material . These operations are repeated until a sufficiently large bead is obtained . The microcosmic salt bead is similarly obtained ...
Page 42
... moistened with hydrochloric acid , or is treated with silver chloride and again heated . In this examination the blue blowpipe flame may be used , or , what is much more convenient , the non- luminous flame of a Bunsen burner provided ...
... moistened with hydrochloric acid , or is treated with silver chloride and again heated . In this examination the blue blowpipe flame may be used , or , what is much more convenient , the non- luminous flame of a Bunsen burner provided ...
Page 48
... moistened with dilute hydrochloric acid or with a solution of acid potassium sulphate according as nitrous or nitric acid is looked for . Ammonium and cyanogen compounds give the same reaction but somewhat weaker . 45. ( b ) Phosphoric ...
... moistened with dilute hydrochloric acid or with a solution of acid potassium sulphate according as nitrous or nitric acid is looked for . Ammonium and cyanogen compounds give the same reaction but somewhat weaker . 45. ( b ) Phosphoric ...
Page 49
... moistened with sulphuric acid , dried and again brought into the flame for a short time . Organic compounds , which become carbonized , must be previously decomposed by ignition as they also give a violet flame , and the red and violet ...
... moistened with sulphuric acid , dried and again brought into the flame for a short time . Organic compounds , which become carbonized , must be previously decomposed by ignition as they also give a violet flame , and the red and violet ...
Common terms and phrases
acid potassium sulphate aluminium plate antimony arsenic arsenic trioxide assay bismuth Bismuth oxide blowpipe bluish-green borax Borax bead Borax on Platinum boric acid bromine brown Cambridge charcoal chloride chromium clear glass cobalt Cobalt Solution cold colour colourless compounds containing cooling copper Crown 8vo detected dioxide dissolved Edition ELEMENTARY TREATISE English Extra fcap film flame-colouration flux Forceps formed fused fusible glass becomes GREEK grey heated on charcoal hydrochloric acid incrustation iodide iron John's College late Fellow LATIN lead mass matrass mercury metallic bead METALLIC OXIDES microcosmic bead microcosmic salt moistened nickel nitrate nitric acid numerous Illustrations obtained odour opaque Owens College oxidizing flame Platinum Wire potassium sulphate powder Professor reactions reddish-brown reducing flame Salt on Platinum saturated School selenium silica silver small quantity sodium carbonate sublimate sulphide sulphuric acid tellurium Tellurium dioxide tion trioxide violet volatile whilst hot yellow yellowish yellowish-green yield zinc
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