Encyclopædia Britannica: Or, A Dictionary of Arts, Sciences, and Miscellaneous Literature, 4. köide,2. osaColin Macfarquhar, George Gleig A. Bell and C. Macfarquhar, 1797 |
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Page 490
... dissolved , and the folution tafted like alum ; but it could not be re- duced to cryftals . Tin , bifmuth , and regulus of co- balt , were not attacked in their metallic ftate ; but the calces of all of them were foluble . Regulus of ...
... dissolved , and the folution tafted like alum ; but it could not be re- duced to cryftals . Tin , bifmuth , and regulus of co- balt , were not attacked in their metallic ftate ; but the calces of all of them were foluble . Regulus of ...
Page 499
... dissolved in hot water ; the folution filtered whilft it continues hot , and fet to cryftallize again ; and the folution , filtra tion , and cryftallization , repeated till the falt becomes pure and white . In all the cryftallizations ...
... dissolved in hot water ; the folution filtered whilft it continues hot , and fet to cryftallize again ; and the folution , filtra tion , and cryftallization , repeated till the falt becomes pure and white . In all the cryftallizations ...
Page 544
... dissolve gold itfelf . With nitre it deflagrates violently . Its flowers do not fenfibly deflagrate ; yet alkalize double their weight of the falt more readily than the zinc itfelf . The alkaline mafs appears externally greenifh , Nitre ...
... dissolve gold itfelf . With nitre it deflagrates violently . Its flowers do not fenfibly deflagrate ; yet alkalize double their weight of the falt more readily than the zinc itfelf . The alkaline mafs appears externally greenifh , Nitre ...
Common terms and phrases
acetous acid alfo alum antimony aqua regia arfenic bifmuth boiling borax cafe calcined calx caufe cauftic Chineſe cobalt colour confiderable confiftence contained copper crucible cryftals decompofed dephlogifticated diffolved diftillation digeftion drachms eafily earth effervefcence evaporated expofed fal ammoniac faline falt fame faturated feems feparated fhould filk filver fimilar fire firft fixed air fixed alkali fmall fmell foluble folution fome fometimes foon fpecific gravity fpirit of wine ftate ftill ftrong fubftance fublimate fuch fufficient fufion fugar fulphur fuppofed furface glafs gold grains heat inflammable iron itſelf laft lefs likewife liquor mafs manganefe marine acid matter melted mercury metal mineral alkali mixed mixture moft moſt neceffary nitre nitrous acid obferved obtained oil of vitriol ounces phlogifton platina powder precipitate procefs pure purpoſe quantity quicklime reafon refiduum regulus retort ſmall tartar thefe theſe thofe thoſe tion uſed vapours veffel vitriolic acid volatile alkali yellow zinc