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 3
... formed in what is called the dry way . BERGMAN tells us , that the first person who so used it was ANDREW VON SWAB , a Swedish Metallurgist , and Counsellor of the College of Mines , about the year 1733. He left no work on the subject ...
... formed in what is called the dry way . BERGMAN tells us , that the first person who so used it was ANDREW VON SWAB , a Swedish Metallurgist , and Counsellor of the College of Mines , about the year 1733. He left no work on the subject ...
Página 11
... formed , -which is the same as a b , Fig . 5 , ex- cepting in shape ; -the flame of Fig . 6 is conical , that of Fig . 5 oval . The heat is greatest at the extremity of this flame , because it is there the THE OXIDATION FLAME . 11 Fluor ...
... formed , -which is the same as a b , Fig . 5 , ex- cepting in shape ; -the flame of Fig . 6 is conical , that of Fig . 5 oval . The heat is greatest at the extremity of this flame , because it is there the THE OXIDATION FLAME . 11 Fluor ...
Página 13
... formed , because oxidation cannot take place when atmospheric air is excluded from the surface of a molten mass . The foregoing results avail for some , but not for all reducing tests upon charcoal . Positive indi- cations are ...
... formed , because oxidation cannot take place when atmospheric air is excluded from the surface of a molten mass . The foregoing results avail for some , but not for all reducing tests upon charcoal . Positive indi- cations are ...
Página 14
... formed . A wire can be used for a very long time , and when it becomes too short to be held between the fingers , the straight end may be fastened into a cork , or a hilt containing a box for holding the rest of the platinum wires ...
... formed . A wire can be used for a very long time , and when it becomes too short to be held between the fingers , the straight end may be fastened into a cork , or a hilt containing a box for holding the rest of the platinum wires ...
Página 16
... formed in the following manner : - -at first a fire - proof clay is kneaded into a stiff paste with water , and then the forming surfaces of the press , which are of box - wood , —Fig . 11 , A B , —are rubbed over with a paint- brush ...
... formed in the following manner : - -at first a fire - proof clay is kneaded into a stiff paste with water , and then the forming surfaces of the press , which are of box - wood , —Fig . 11 , A B , —are rubbed over with a paint- brush ...
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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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