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 15
... cooling . 4. GLASS TUBES . - When the volatile ingredients contained in ores and minerals were to be ascertained , BERZELIUS employed a glass tube , from three to six inches in length , a quarter of an inch in diameter , and open at the ...
... cooling . 4. GLASS TUBES . - When the volatile ingredients contained in ores and minerals were to be ascertained , BERZELIUS employed a glass tube , from three to six inches in length , a quarter of an inch in diameter , and open at the ...
Página 47
... cooling ; lastly , for indicating the presence of citric acid , with which it gives a white precipitate on boiling ; this is soluble in ammonia and its salts , but not in potassa . 3. SULPHATE OF LIME . Ca O , S O3 . Uses . For ...
... cooling ; lastly , for indicating the presence of citric acid , with which it gives a white precipitate on boiling ; this is soluble in ammonia and its salts , but not in potassa . 3. SULPHATE OF LIME . Ca O , S O3 . Uses . For ...
Página 53
... cooling , separates in thin shining crystalline plates . These plates are drained , and being sparingly soluble , may be washed with cold water , and , after- wards , re - dissolved in boiling water , and re - crystallized . The boracic ...
... cooling , separates in thin shining crystalline plates . These plates are drained , and being sparingly soluble , may be washed with cold water , and , after- wards , re - dissolved in boiling water , and re - crystallized . The boracic ...
Página 55
... , and heated in the oxidating flame , both melt and run into each other , producing a colorless bead , which becomes opaque upon cooling . If an excess of gyp- sum is present , the bead will be colorless also BLOWPIPE REAGENTS . 55.
... , and heated in the oxidating flame , both melt and run into each other , producing a colorless bead , which becomes opaque upon cooling . If an excess of gyp- sum is present , the bead will be colorless also BLOWPIPE REAGENTS . 55.
Página 58
... cooling , would be quite opaque , thus rendering the analysis of no value . 19. SILVER WIRE . A small silver wire is useful for ascertaining the presence of hepar - sulphide of antimony , —or soluble sulphides . Silver which is obtained ...
... cooling , would be quite opaque , thus rendering the analysis of no value . 19. SILVER WIRE . A small silver wire is useful for ascertaining the presence of hepar - sulphide of antimony , —or soluble sulphides . Silver which is obtained ...
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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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