Blowpipe Analysis |
From inside the book
Results 1-5 of 31
Page 5
... of from 1 to 2 mm . ( Fig . 6 ) . The tube is about 100 mm . long , and , when in use , closes the air - holes of the burner . Unfortunately this flame cannot be employed when testing a substance 21 5 APPARATUS AND REAGENTS .
... of from 1 to 2 mm . ( Fig . 6 ) . The tube is about 100 mm . long , and , when in use , closes the air - holes of the burner . Unfortunately this flame cannot be employed when testing a substance 21 5 APPARATUS AND REAGENTS .
Page 6
... testing a substance for sulphur , as coal - gas frequently contains sufficient sulphur to vitiate the results . Next in importance stands Berzelius ' blowpipe lamp as improved by Plattner ( Fig . 7 ) . This consists of an oil с b FIG ...
... testing a substance for sulphur , as coal - gas frequently contains sufficient sulphur to vitiate the results . Next in importance stands Berzelius ' blowpipe lamp as improved by Plattner ( Fig . 7 ) . This consists of an oil с b FIG ...
Page 8
... tests as it exerts no reducing action , and the colour of beads can be more easily seen . Platinum wire , of the thickness of horse hair , is cut into pieces about 8 cm . long ; one end of each piece is then bent into a small loop to ...
... tests as it exerts no reducing action , and the colour of beads can be more easily seen . Platinum wire , of the thickness of horse hair , is cut into pieces about 8 cm . long ; one end of each piece is then bent into a small loop to ...
Page 11
... tested according to par . 156 . Sodium bicarbonate may be substituted for the neutral carbonate . Sodium carbonate is extensively employed as a reducing , dissolving , and decomposing agent . Neutral potassium oxalate , K¿C2O1 + 2H2O ...
... tested according to par . 156 . Sodium bicarbonate may be substituted for the neutral carbonate . Sodium carbonate is extensively employed as a reducing , dissolving , and decomposing agent . Neutral potassium oxalate , K¿C2O1 + 2H2O ...
Page 12
... testing for fluorine , and also for sulphates and phosphates . One Cobalt nitrate , Co ( NO3 ) 2 + 6H2O , in solution . part of the pure salt is dissolved in ten parts of water . As this reagent is always applied in drops , it is well ...
... testing for fluorine , and also for sulphates and phosphates . One Cobalt nitrate , Co ( NO3 ) 2 + 6H2O , in solution . part of the pure salt is dissolved in ten parts of water . As this reagent is always applied in drops , it is well ...
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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