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 443
... substance affumes re- gular figures , whereas precipitates are always in the form of powders . Precipitation is generally preceded by folution and filtration : it is used for feparating earths and metals from the acids which had kept ...
... substance affumes re- gular figures , whereas precipitates are always in the form of powders . Precipitation is generally preceded by folution and filtration : it is used for feparating earths and metals from the acids which had kept ...
Page 569
... substance of peat is plainly of vegetable origin ; whence it is found to answer for the fmelting of ores , and the ... substances , but more so than that of mineral bitumens . It congeals , in the cold , into a pitchy mafs , which ...
... substance of peat is plainly of vegetable origin ; whence it is found to answer for the fmelting of ores , and the ... substances , but more so than that of mineral bitumens . It congeals , in the cold , into a pitchy mafs , which ...
Page 613
... substance . MERCURY , as above . ANTIMONY . This mixture is applied to no particular use . ARSENIC . A black and ... Substances , viz . ACIDS : Vitriolic * , Nitrous , Vegetable , and Urinous . With the phenomena , and by the means above ...
... substance . MERCURY , as above . ANTIMONY . This mixture is applied to no particular use . ARSENIC . A black and ... Substances , viz . ACIDS : Vitriolic * , Nitrous , Vegetable , and Urinous . With the phenomena , and by the means above ...
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