Blowpipe Analysis |
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Page 30
... appear as an incrustation . It is always found closely surrounding the assay - piece , is yellowish whilst hot ... appears before the red one ; if lead and antimony be present at the same time , the incrustation has an intense rose ...
... appear as an incrustation . It is always found closely surrounding the assay - piece , is yellowish whilst hot ... appears before the red one ; if lead and antimony be present at the same time , the incrustation has an intense rose ...
Page 33
... appears as brown fumes , and forms an incrustation about the test - piece , whilst the flame is coloured dark - yellow . This very characteristic incrustation is reddish - brown when cold , or in thin layers orange - yellow , and is ...
... appears as brown fumes , and forms an incrustation about the test - piece , whilst the flame is coloured dark - yellow . This very characteristic incrustation is reddish - brown when cold , or in thin layers orange - yellow , and is ...
Page 37
... appearing as peculiar crystals , which are sufficiently well formed in most cases to be visible under the microscope when the bead has been flattened whilst hot , or when it has been dissolved in dilute acid so as to isolate the ...
... appearing as peculiar crystals , which are sufficiently well formed in most cases to be visible under the microscope when the bead has been flattened whilst hot , or when it has been dissolved in dilute acid so as to isolate the ...
Page 39
... black particles of molybdenum oxide appear in the yellow bead . Chromium oxide Nickel oxide Manganese oxide Cobalt oxide Copper oxide BEHAVIOUR WITH MICROCOSMIC SALT . Contractions : fl . by. 40 ] 39 BEHAVIOUR WITH BORAX .
... black particles of molybdenum oxide appear in the yellow bead . Chromium oxide Nickel oxide Manganese oxide Cobalt oxide Copper oxide BEHAVIOUR WITH MICROCOSMIC SALT . Contractions : fl . by. 40 ] 39 BEHAVIOUR WITH BORAX .
Page 44
... the prominent characteristic lines , the lighter figures indicate the fainter lines , which only appear at high temperatures and then soon disappear . Potassium 175 Indium The direct - vision pocket spectroscope , 44 [ 42 BLOWPIPE ANALYSIS.
... the prominent characteristic lines , the lighter figures indicate the fainter lines , which only appear at high temperatures and then soon disappear . Potassium 175 Indium The direct - vision pocket spectroscope , 44 [ 42 BLOWPIPE ANALYSIS.
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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