Smithsonian Miscellaneous Collections, Том 21Smithsonian Institution, 1881 - Всего страниц: 68 |
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Стр. 56
... precipitate from liquor silicum does ) in caustic alcaline lixivium ; and the solution ( like the liquor silicum itself , or the precipitate redissolved ) becomes gelatinous on exposure to the atmosphere . In the fire it becomes harder ...
... precipitate from liquor silicum does ) in caustic alcaline lixivium ; and the solution ( like the liquor silicum itself , or the precipitate redissolved ) becomes gelatinous on exposure to the atmosphere . In the fire it becomes harder ...
Стр. 6
... precipitate on being saturated with soda . ( B ) Two grains of Tabasheer reduced to fine powder were made into a paste with some of this same vitriolic acid , and this mixture was heated till nearly dry ; it was then digested in ...
... precipitate on being saturated with soda . ( B ) Two grains of Tabasheer reduced to fine powder were made into a paste with some of this same vitriolic acid , and this mixture was heated till nearly dry ; it was then digested in ...
Стр. 7
... precipitate , or become gelatinous ; but having evaporated nearly away , left a few drops of a liquor which made infusion of red cabbage green ; and , on the addition of some pure marine acid , effervesced violently . No precipitate ...
... precipitate , or become gelatinous ; but having evaporated nearly away , left a few drops of a liquor which made infusion of red cabbage green ; and , on the addition of some pure marine acid , effervesced violently . No precipitate ...
Стр. 8
... precipitate , or the least sensible effect , except the vitriolic acid , which threw down a very small quantity of a white matter ; but , after standing some days , these mixtures changed into jellies so firm , that the glasses ...
... precipitate , or the least sensible effect , except the vitriolic acid , which threw down a very small quantity of a white matter ; but , after standing some days , these mixtures changed into jellies so firm , that the glasses ...
Стр. 9
... precipitate . ( F ) The alkaline mixture ( B ) was poured upon a filter , the clear liquor came through , leaving the jelly on the paper . Some of this clear liquor , exposed to the air in a saucer , at the end of some days deposited a ...
... precipitate . ( F ) The alkaline mixture ( B ) was poured upon a filter , the clear liquor came through , leaving the jelly on the paper . Some of this clear liquor , exposed to the air in a saucer , at the end of some days deposited a ...
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Часто встречающиеся слова и выражения
afforded alkali Annals of Philosophy antimony appears arsenic barium became BEQUEST bill blow-pipe blue bodies boiled borax calamine calx of zinc carbonate of lime carbonate of soda carbonic acid chemical chemistry colour compound sulphuret Congress copper crystals discovery dissolved distilled water Duke earth effervescence experiments flame fluorine fund glass grains green heat hyænas iron JAMES SMITHSON jelly JOSEPH HENRY Kirkdale Cave Klaproth knowledge liquor magnet marine acid mass matter melted Mémoire metallic mineral mixture muriatic acid native nature nitrate nitric nitric acid Northumberland opaque oxide paper Paris particles Percy Philosophical Transactions platina potash powder precipitate present produced Professor HENRY red hot Regents Royal Society saline salt scientific Senate silver Smithsonian Institution Society of London solution species substance sulphate sulphuret of lead sulphuric acid Tabasheer Thomson's Annals tion turnsol ulmin United vegetable vitriolic acid Washington weight wire yellow zeolite
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