The Use of the Blowpipe in the Qualitative and Quantitative Examination of Minerals, Ores, Furnace Products, and Other Metallic CombinationsJ. Churchill, 1854 - 405 páginas |
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Página 25
... separated , the substance will be found reduced to a rough powder . A D E B If necessary , this powder can be brought to an impalpable state in an agate mortar . 8. CHARCOAL BORERS . - For quantitative Blow- pipe analysis , grooves of ...
... separated , the substance will be found reduced to a rough powder . A D E B If necessary , this powder can be brought to an impalpable state in an agate mortar . 8. CHARCOAL BORERS . - For quantitative Blow- pipe analysis , grooves of ...
Página 42
... separating them from each other . Tests . - Ammonia must be colorless , must not leave any residue when evaporated on platinum foil , nor should lime - water impart turbidity in the slightest degree . Neither chloride of barium nor ...
... separating them from each other . Tests . - Ammonia must be colorless , must not leave any residue when evaporated on platinum foil , nor should lime - water impart turbidity in the slightest degree . Neither chloride of barium nor ...
Página 56
... separated by a sieve . The remaining powder is then thrown upon a filter , and treated with boiling water , which extracts the soluble matter . The washing , which is then resorted to , is for procuring the bone- ashes of a more uniform ...
... separated by a sieve . The remaining powder is then thrown upon a filter , and treated with boiling water , which extracts the soluble matter . The washing , which is then resorted to , is for procuring the bone- ashes of a more uniform ...
Página 67
... separation of the glass bead from the wire is easily effected , by heating the bead strongly , and then quickly removing it from the flame , placing it over a porcelain basin , and striking the wire against the rim ; it immediately ...
... separation of the glass bead from the wire is easily effected , by heating the bead strongly , and then quickly removing it from the flame , placing it over a porcelain basin , and striking the wire against the rim ; it immediately ...
Página 68
... separated and insoluble portions which it may contain . With borax this is not so often the case as with microcosmic salt , for with the latter silicic acid is separated . When the oxidating flame is playing upon the assay , the ...
... separated and insoluble portions which it may contain . With borax this is not so often the case as with microcosmic salt , for with the latter silicic acid is separated . When the oxidating flame is playing upon the assay , the ...
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Outras edições - Ver tudo
The Use of the Blowpipe in the Qualitative and Quantitative Examination of ... Carl Friedrich Plattner Visualização integral - 1854 |
The Use of the Blowpipe in the Qualitative and Quantitative Examination of ... Carl Plattner Pré-visualização indisponível - 2017 |
The Use of the Blowpipe in the Qualitative and Quantitative Examination of ... Carl Friedrich Plattner Pré-visualização indisponível - 2016 |
Palavras e frases frequentes
100 milligrammes Al² 0³ alkali alloy alumina ammonia antimony arsenic arsenic acid assay baryta bead becomes bismuth bisulphate of potassa Blowpipe blue boracic acid borax carbonate of soda cerium cetera charcoal clear glass cobalt color colorless combination compound cooling copper cupellation decigramme detected dissolved employed evaporated examination exempli gratia filtered fluxes forceps formed fused fusible fusion gold green heated hydrochloric acid inch ingredients insoluble lime magnesia manganese mass melted metallic oxides microcosmic salt Mineral Kingdom mixed nickel nitrate nitric acid obtained opaque operator oxidating flame oxide of iron oxide of lead particles perfectly phosphate platinum foil platinum wire portion powder precipitate present protoxide of iron pulverized pure readily reagent reducing flame residue roasted separated sesquioxide sesquioxide of iron silicic acid silver small quantity smelting soluble solution strontia sublimate sulphate sulphuric acid Tellurium tinge titanic acid treated volatile workable lead yellow yttria zinc
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