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 419
... nitre , whofe fpecific gravity was 1.419 , by 12 of that whofe fpecific gravity was 1.389 , and by 13.08 of that whofe fpecific gravity was 1.362 . Thefe quantities were the medium of five experiments ; and it was found neceffary to ...
... nitre , whofe fpecific gravity was 1.419 , by 12 of that whofe fpecific gravity was 1.389 , and by 13.08 of that whofe fpecific gravity was 1.362 . Thefe quantities were the medium of five experiments ; and it was found neceffary to ...
Page 471
... nitre is diftilled with such fubftances , always turns out confi- derably less than when the pure vitriolic acid is used . Alum is preferable to felenite , for the purposes of diftilling fpirit of nitre ; because the acid does not ad ...
... nitre is diftilled with such fubftances , always turns out confi- derably less than when the pure vitriolic acid is used . Alum is preferable to felenite , for the purposes of diftilling fpirit of nitre ; because the acid does not ad ...
Page 472
... nitre itself . By this fufion , Mr Beaumé obferves that nitre lofes very little , if any , of the water contained in its cryftals , fince the weight of mineral cryftal is nearly the fame with that of the nitre employed . 743 Ufes . 744 ...
... nitre itself . By this fufion , Mr Beaumé obferves that nitre lofes very little , if any , of the water contained in its cryftals , fince the weight of mineral cryftal is nearly the fame with that of the nitre employed . 743 Ufes . 744 ...
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