 | Leopold Gmelin - 1849 - 572 pages
...small quantity of peroxide of hydrogen, is next separated by filtration from the sulphate of baryta, the precipitate washed with a little water, and the...the process continued in the same way, till 90 or 1 00 grammes of the peroxide are consumed. The liquid thus obtained would, on decomposition, yield... | |
 | 1849 - 552 pages
...small quantity of peroxide of hydrogen, is next separated by filtration from the sulphate of baryta, the precipitate washed with a little water, and the...process continued in the same way, till 90 or 100 grammes of the peroxide are consumed. The liquid thus obtained would, on decomposition, yield from... | |
 | Leopold Gmelin - 1849 - 540 pages
...small quantity of peroxide of hydrogen, is next separated by filtration from the sulphate of baryta, the precipitate washed with a little water, and the...the process continued in the same way, till 90 or 1 00 grammes of the peroxide are consumed. The liquid thus obtained would, on decomposition, yield... | |
 | Henry Watts - 1865 - 1110 pages
...: the presence of an excess of the acid may be known by the sulphate of barium falling down mor«1 quickly than before. 12 grms. more of the peroxide...the peroxide are consumed. The liquid thus obtained would, on decomposition, yield from 25 to 30 measures of oxygen gas. To separate silica, alumina, sesquioxide... | |
 | Henry Watts - 1871 - 1128 pages
...acid. The liquid, which now contains hydrochloric acid, sulphuric acid, a large quantity of wat* r, and a small quantity of peroxide of hydrogen, is next...the peroxide are consumed. The liquid thus obtained would", on decomposition, yield from 26 to 30 measures of oxygen gas. To separat« silica, alumina,... | |
 | 1883 - 524 pages
...small quantity of peroxide of hydrogen, is next separated from the sulphate of barium by filtration, the precipitate washed with a little water, and the...process continued in the same way, till 90 or 100 grm. of the peroxide are consumed. The liquid thus obtained would, on decomposition, yield 25 to 30... | |
 | 1903 - 504 pages
...small quantity of peroxide of hydrogen, is next separated from the sulphate of barium by filtration, the precipitate washed with a little water, and the...peroxide of barium, and twice with sulphuric acid. The fiitration is then repeated, and the process continued in the same way, till 90 or 100 grm. of the... | |
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... the precipitate washed with a little water, and the last wash-water retained for future washings. The filtrate is again mixed, as above, twice with peroxide of barium, and twice with sulphuric acid. The filtration is then repeated, and the process... 