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 6
... removed with a small wooden or leaden file , upon which is placed a quantity of fine moistened bone ash . B To defend the lips from injury , a mouthpiece of horn — C— is affixed to the Blowpipe . If , during the act of blowing strongly ...
... removed with a small wooden or leaden file , upon which is placed a quantity of fine moistened bone ash . B To defend the lips from injury , a mouthpiece of horn — C— is affixed to the Blowpipe . If , during the act of blowing strongly ...
Página 10
... removed . Fig . 5 . To obtain an intense heat by blowing on the lighted combustible , requires a previous knowledge of its va- rious parts ; for on examining the flame of a lamp which does not emit smoke , it will be found divided into ...
... removed . Fig . 5 . To obtain an intense heat by blowing on the lighted combustible , requires a previous knowledge of its va- rious parts ; for on examining the flame of a lamp which does not emit smoke , it will be found divided into ...
Página 15
... removed with a file , and the remainder of the tube cleansed with the aid of a spirit - lamp and a wire enveloped in soft paper . When the tube becomes too short , one end can be sealed , and it may be used for tests of sublimation only ...
... removed with a file , and the remainder of the tube cleansed with the aid of a spirit - lamp and a wire enveloped in soft paper . When the tube becomes too short , one end can be sealed , and it may be used for tests of sublimation only ...
Página 16
... removed , either by a drop of sulphuric acid , or by a hot solution of bisulphate of potassa . Rubbing the plati- num spoon with charcoal powder is however the most effectual method of removing stains . Fig . 11 . 7. CLAY BASINS . - In ...
... removed , either by a drop of sulphuric acid , or by a hot solution of bisulphate of potassa . Rubbing the plati- num spoon with charcoal powder is however the most effectual method of removing stains . Fig . 11 . 7. CLAY BASINS . - In ...
Página 17
... removed easily , by careful turning . With a small knife , cut away the clay which is driven out , and then examine the margin , to learn if the basin be uniform throughout , and sufficiently thin . Fig . 12 shows the cross section of ...
... removed easily , by careful turning . With a small knife , cut away the clay which is driven out , and then examine the margin , to learn if the basin be uniform throughout , and sufficiently thin . Fig . 12 shows the cross section of ...
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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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