The British Encyclopedia: Or, Dictionary of Arts and Sciences. Comprising an Accurate and Popular View of the Present Improved State of Human Knowledge, Τόμος 5Longman, Hurst, Rees, and Orme, 1809 |
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... colour and appearance . It occurs generally massive and disseminated ; its colour is copper - red of various shades ; its lustre is weakly , shining , and metallic ; it is per- fectly opaque ; its fracture is uneven ; it is hard , has ...
... colour and appearance . It occurs generally massive and disseminated ; its colour is copper - red of various shades ; its lustre is weakly , shining , and metallic ; it is per- fectly opaque ; its fracture is uneven ; it is hard , has ...
Σελίδα
... colour and crystallizable . The salts of nickel are decomposed by the alkalies , and the oxide , more or less free from the acid , is thrown down . If the alkalies are added in excess , they re - dissolve it ; and with ammonia in ...
... colour and crystallizable . The salts of nickel are decomposed by the alkalies , and the oxide , more or less free from the acid , is thrown down . If the alkalies are added in excess , they re - dissolve it ; and with ammonia in ...
Σελίδα
... colour ; it is distinguished from menachanite by its stronger lustre , superior hardness , the colour of the streak , as well as by its not being in the smallest degree af- fected by the magnet , which also distin- guishes it from iron ...
... colour ; it is distinguished from menachanite by its stronger lustre , superior hardness , the colour of the streak , as well as by its not being in the smallest degree af- fected by the magnet , which also distin- guishes it from iron ...
Σελίδα
... colour . It is merely a mixture of charcoal and carbonate of potash . Nitre is much used in medicine , in fe- vers , as a cooling remedy , and as a diuretic , in urinary affections . It is employed also in many arts , as in dying ; and ...
... colour . It is merely a mixture of charcoal and carbonate of potash . Nitre is much used in medicine , in fe- vers , as a cooling remedy , and as a diuretic , in urinary affections . It is employed also in many arts , as in dying ; and ...
Σελίδα
... colour- less . It boils at 248 ° , and may be distilled without any essential alteration . Exposed to the air it absorbs moisture . If two parts be suddenly diluted with one of water , the temperature will rise to about 112 ° ; but the ...
... colour- less . It boils at 248 ° , and may be distilled without any essential alteration . Exposed to the air it absorbs moisture . If two parts be suddenly diluted with one of water , the temperature will rise to about 112 ° ; but the ...
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