Blowpipe Analysis |
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Page 10
... characteristic colours . Microcosmic salt , NH , Na HPO4 + 4H2O . This should give a perfectly clear bead on cooling after fusion ; if the bead be not clear , the salt must be purified by re- crystallization . This salt is employed for ...
... characteristic colours . Microcosmic salt , NH , Na HPO4 + 4H2O . This should give a perfectly clear bead on cooling after fusion ; if the bead be not clear , the salt must be purified by re- crystallization . This salt is employed for ...
Page 12
... characteristic colours on being heated with it . Copper oxide , CuO , can be easily prepared by heat- ing copper nitrate in a porcelain basin ; it is used for the detection of chlorine , bromine , and iodine . Silver chloride , AgCl ...
... characteristic colours on being heated with it . Copper oxide , CuO , can be easily prepared by heat- ing copper nitrate in a porcelain basin ; it is used for the detection of chlorine , bromine , and iodine . Silver chloride , AgCl ...
Page 13
... characteristic changes of colour . Gold grains , of 50 to 80 mgr . weight , serve to test for nickel and cobalt . Silver plate for the detection of sulphur compounds . Test papers in narrow strips . Red and blue litmus paper for acids ...
... characteristic changes of colour . Gold grains , of 50 to 80 mgr . weight , serve to test for nickel and cobalt . Silver plate for the detection of sulphur compounds . Test papers in narrow strips . Red and blue litmus paper for acids ...
Page 19
... On warming chlorine is evolved , which is easily detected by its odour and its bleaching action on moist litmus paper . vapours and characteristic odour , indicates nitrates or nitrites [ 10 ] 19 ASSAY IN CLOSED GLASS TUBE .
... On warming chlorine is evolved , which is easily detected by its odour and its bleaching action on moist litmus paper . vapours and characteristic odour , indicates nitrates or nitrites [ 10 ] 19 ASSAY IN CLOSED GLASS TUBE .
Page 20
John Landauer, James Taylor, William E. Kay. vapours and characteristic odour , indicates nitrates or nitrites [ No. 36 ] . ( e ) Carbon dioxide , a colourless , odourless and incom- bustible gas , which turns milky a drop of lime ...
John Landauer, James Taylor, William E. Kay. vapours and characteristic odour , indicates nitrates or nitrites [ No. 36 ] . ( e ) Carbon dioxide , a colourless , odourless and incom- bustible gas , which turns milky a drop of lime ...
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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