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 497
... distillation by a strong fire arifes in a liquid form , in common with that of most other vegetable substances , has been ge- nerally known ; but how to obtain this acid in a con- crete form , and to appearance as pure and cryftal ...
... distillation by a strong fire arifes in a liquid form , in common with that of most other vegetable substances , has been ge- nerally known ; but how to obtain this acid in a con- crete form , and to appearance as pure and cryftal ...
Page 565
... DISTILLATION . $ 3 . OILS .. Oils . 1419 1420 1. Effential Oils . Thofe oils are called effential which Effential have evidently the fmell of the vegetable from which oils . they are drawn . For the method of procuring them , fee ...
... DISTILLATION . $ 3 . OILS .. Oils . 1419 1420 1. Effential Oils . Thofe oils are called effential which Effential have evidently the fmell of the vegetable from which oils . they are drawn . For the method of procuring them , fee ...
Page 582
... distillation ; but neither he , nor any fucceeding chemift for fome time , afcertained its acid properties . On the contrary , fome erred fo far as to imagine that it was a volatile al- kali ; but , about the beginning of the prefent ...
... distillation ; but neither he , nor any fucceeding chemift for fome time , afcertained its acid properties . On the contrary , fome erred fo far as to imagine that it was a volatile al- kali ; but , about the beginning of the prefent ...
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