 | Edward Turner - 1828 - 516 ページ
...oxides, but to dissolve the alumina. The peroxide of iron is then collected on a filter, edulcorated carefully until the washings cease to have an alkaline...operation, however, should be done with care; since any adhering particles of paper, or other combustible matter, would bring the iron into the state of black... | |
 | 1828 - 664 ページ
...oxides, but to dissolve the alumina. The peroxide of iron is then collected on a filler, edulcorated carefully until the washings cease to have an alkaline...water by a red heat. This operation, however, should he done with care; since any adhering particles of paper, or other combustible matter, would bring... | |
 | Edward Turner - 1828 - 516 ページ
...oxides, but to dissolve the alumina. The peroxide of iron is then collected on a filter, edulcorated carefully until the washings cease to have an alkaline...accurate mode of determining its quantity is by expelling lhe water by a red heat. This operation, however, should be done with care; since any adhering particles... | |
 | Jacob Green - 1829 - 626 ページ
...oxides, but to dissolve the alumina. The peroxide of irop is then collected on a filter, edulcorated carefully until the washings cease to have an alkaline...and is well dried on a sand bath. Of this hydrated pcr-oxide, forty-nine parts contain forty of anhydrous peroxide of iron. But the most accurate mode... | |
 | Edward Turner - 1830 - 616 ページ
...after subsiding, is collected on a filler, carefully edulcorated, heated to redness, and weighed. of anhydrous peroxide of iron. But the most accurate...operation, however, should be done with care; since any adhering particles of paper, or other combustible mntter, would bring the iron into the state of black... | |
 | Edward Turner - 1830 - 588 ページ
...after subsiding, is collected on a filter, carefully edulcorated, heated to redness, and weighed. of anhydrous peroxide of iron. But the most accurate...quantity is by expelling the water by a red heat. Thjs operation, however, should be done with care; since any adhering particles of paper, or other... | |
 | John Lee Comstock - 1831 - 366 ページ
...oxides, but to dissolve the alumina. The peroxide of iron is then collected on a filter, edulcorated carefully until the washings cease to have an alkaline...operation, however, should be done with care ; since any adhering particles of paper, or other combustible matter, would bring the iron into the state of black... | |
 | Edward Turner - 1832 - 638 ページ
...oxides, but to dissolve the alumina. The peroxide of iron is then collected on a filter, edulcorated carefully until the washings cease to have an alkaline reaction, and is well dried on a sand-bath. Of this hydrated peroxide, forty-nine parts contain forty of anhydrous peroxide of iron.... | |
 | John Lee Comstock - 1836 - 366 ページ
...oxides, but to dissolve the alumina. The peroxide of iron is then collected on a filter, edulcorated carefully until the washings cease to have an alkaline...operation, however, should be done with care ; since any adhering particles of paper, or other combustible matter, would bring the iron into the state of black... | |
 | Edward Turner - 1840 - 696 ページ
...well dried on a sand-bath. Of this hydrated scsquioxide, 49 parts contain 40 of anhydrous sesquioxide of iron. But the most accurate mode of determining...operation, however, should be done with care; since any adhering particles of paper, or other combustible matter, would bring the iron into the state of black... | |
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Of this hydrated peroxide, forty-nine parts contain forty of the anhydrous peroxide of iron. But the most accurate mode of determining its quantity is by expelling the water by a red heat. This operation, however, should be done with care; since any adhering... 