The Use of the Blowpipe in the Qualitative and Quantitative Examination of Minerals, Ores, Furnace Products, and Other Metallic Combinations |
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Page 45
... trace of which , in a hydrochloric acid solution , gives with this reagent , a blood - red color . 7. PHOSPHATE OF SODA . 2 Na O , HO , PO5 . Uses . - Phosphate of soda precipitates all the alkaline earths , but is employed , after the ...
... trace of which , in a hydrochloric acid solution , gives with this reagent , a blood - red color . 7. PHOSPHATE OF SODA . 2 Na O , HO , PO5 . Uses . - Phosphate of soda precipitates all the alkaline earths , but is employed , after the ...
Page 56
... traces of gold , silver , or copper , as it is used in the quantitative analysis of these metals . The lead from the silver - smelting furnaces will answer both purposes , if properly sifted . If such lead is not easily ob- tained , the ...
... traces of gold , silver , or copper , as it is used in the quantitative analysis of these metals . The lead from the silver - smelting furnaces will answer both purposes , if properly sifted . If such lead is not easily ob- tained , the ...
Page 70
... traces of copper or iron . When the behavior of a substance containing a sulphide or arsenide is to be ascertained by heating with borax , it is best to sublime , first , most of the sulphur or arsenic , in an open tube , and then to ...
... traces of copper or iron . When the behavior of a substance containing a sulphide or arsenide is to be ascertained by heating with borax , it is best to sublime , first , most of the sulphur or arsenic , in an open tube , and then to ...
Page 72
... trace of these substances gives a decided reaction . When the substance has been examined on charcoal , it should be treated on the platinum wire in the oxidating flame ; if it expands and gives a bluish - green glass in cooling ...
... trace of these substances gives a decided reaction . When the substance has been examined on charcoal , it should be treated on the platinum wire in the oxidating flame ; if it expands and gives a bluish - green glass in cooling ...
Page 77
... traces of formed sulphuric or arsenic acids . The powder is now triturated in a mortar with carbonate of soda and borax , the proportions of these reagents being rectified according to the degree of solubility of the assay ; the mixture ...
... traces of formed sulphuric or arsenic acids . The powder is now triturated in a mortar with carbonate of soda and borax , the proportions of these reagents being rectified according to the degree of solubility of the assay ; the mixture ...
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Other editions - View all
The Use of the Blowpipe in the Qualitative and Quantitative Examination of ... Carl Plattner No preview available - 2017 |
The Use of the Blowpipe in the Qualitative and Quantitative Examination of ... Carl Friedrich Plattner No preview available - 2016 |
Common terms and phrases
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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