Instruction in chemical analysis, quantitative [tr. and] ed. by J.L. Bullock |
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Página 4
... mixtures , and analysis of chemical compounds . This division . may appear at first sight of very small moment , yet it is ... mixture a second analysis is necessary to confirm the correct- ness of the results afforded by the first . The ...
... mixtures , and analysis of chemical compounds . This division . may appear at first sight of very small moment , yet it is ... mixture a second analysis is necessary to confirm the correct- ness of the results afforded by the first . The ...
Página 49
... mixture . This double estimation may be made , in this instance , either in one and the same sample of the mixture , by first precipitating the sulphuric acid with nitrate of baryta , and subsequently the hydrochloric acid from the ...
... mixture . This double estimation may be made , in this instance , either in one and the same sample of the mixture , by first precipitating the sulphuric acid with nitrate of baryta , and subsequently the hydrochloric acid from the ...
Página 90
... mixture into a shallow cast - iron pot , aud add a highly concentrated solution of 10 parts of hydrate of potassa ( K O , H O ) , or 37 parts of a solution of potassa of 127 specific gravity ( the same solution as is used in elementary ...
... mixture into a shallow cast - iron pot , aud add a highly concentrated solution of 10 parts of hydrate of potassa ( K O , H O ) , or 37 parts of a solution of potassa of 127 specific gravity ( the same solution as is used in elementary ...
Página 95
... mixture into a plain retort , which must not be more than half full ; expose the retort , over a charcoal fire , to a gentle , gradually increased heat . As soon as the salt begins to fuse , shake the retort a little , that the contents ...
... mixture into a plain retort , which must not be more than half full ; expose the retort , over a charcoal fire , to a gentle , gradually increased heat . As soon as the salt begins to fuse , shake the retort a little , that the contents ...
Página 112
... mixture evaporated to dryness , at a gentle heat , and the residue treated with cold water , a perceptible proportion of the zinc is obtained in solution as carbonate of zinc and potassa or soda ; but if the mixture is evaporated to ...
... mixture evaporated to dryness , at a gentle heat , and the residue treated with cold water , a perceptible proportion of the zinc is obtained in solution as carbonate of zinc and potassa or soda ; but if the mixture is evaporated to ...
Palavras e frases frequentes
accurate results acid solution alkaline alumina ammonia analysis antimony arsenic acid baryta beaker bichloride of platinum binoxide boiling carbonate of soda carbonic acid Chem chloride of ammonium chloride of potassium chloride of sodium chromate chromic acid cipitate color compounds contains converted cubic centimetres decantation decomposed decomposition Determination dilute dish dissolves dried evaporation excess filter filtrate flask fluid fused glass grammes hydrated hydrochloric acid ignition insoluble in water iodide iodine latter lime magnesia manganese mercury metallic method mixed mixture nickel nitrate nitric acid operation oxalic acid oxide oxide of lead permanganate of potassa phosphate phosphoric acid platinum and chloride porcelain portion prakt precipitate present pure quantity readily red heat residue salt separation sesquioxide of chromium sesquioxide of iron silicic acid soluble solution of chloride strontia substance sulphate sulphide of ammonium sulphuretted hydrogen sulphuric acid teroxide tube volatile volumetrical wash weighed zinc
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