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 14
... color only is to be observed . This support can be relied on , for it is totally free from the false variations of color which are too often perceptible when the assay rests on charcoal . In the treat- ment of compound metals , or in ...
... color only is to be observed . This support can be relied on , for it is totally free from the false variations of color which are too often perceptible when the assay rests on charcoal . In the treat- ment of compound metals , or in ...
Página 38
... color being re- stored to blue . c . Brazil wood paper . - If Brazil wood be boiled in water for a sufficient time , it communicates a fine red color to the fluid . It must then be filtered , and the slips of paper immersed in it , and ...
... color being re- stored to blue . c . Brazil wood paper . - If Brazil wood be boiled in water for a sufficient time , it communicates a fine red color to the fluid . It must then be filtered , and the slips of paper immersed in it , and ...
Página 39
... color becoming dark brown . 2. SULPHURIC ACID . HO , SO3 . Uses . Sulphuric acid has a greater affinity for most bases than any other acid , and is , consequently , employed for liberating them , especially hydrochloric , nitric ...
... color becoming dark brown . 2. SULPHURIC ACID . HO , SO3 . Uses . Sulphuric acid has a greater affinity for most bases than any other acid , and is , consequently , employed for liberating them , especially hydrochloric , nitric ...
Página 45
... color . 7. PHOSPHATE OF SODA . 2 Na O , HO , PO5 . Uses . - Phosphate of soda precipitates all the alkaline earths , but is employed , after the separation of baryta , strontia , and lime , for the detection of magnesia , which it ...
... color . 7. PHOSPHATE OF SODA . 2 Na O , HO , PO5 . Uses . - Phosphate of soda precipitates all the alkaline earths , but is employed , after the separation of baryta , strontia , and lime , for the detection of magnesia , which it ...
Página 46
... color , or a similarly colored precipitate . 12. ZINC . Zn . Uses . - Metallic zinc reduces many metallic salts and oxides causing their precipitation ; this is owing to its affinity for oxygen . It is principally employed , however ...
... color , or a similarly colored precipitate . 12. ZINC . Zn . Uses . - Metallic zinc reduces many metallic salts and oxides causing their precipitation ; this is owing to its affinity for oxygen . It is principally employed , however ...
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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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