The Chemical News and Journal of Physical Science, Томове 33–34Griffin, Bohn and Company, 1876 |
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Страница 6
... oxygen : 1000 grms . of the liquid would therefore contain 86 of available oxygen , or 18.3 of peroxide of hydrogen . As may be imagined , however , in case of an easily decom- posable body , the bottles do not all contain solutions of ...
... oxygen : 1000 grms . of the liquid would therefore contain 86 of available oxygen , or 18.3 of peroxide of hydrogen . As may be imagined , however , in case of an easily decom- posable body , the bottles do not all contain solutions of ...
Страница 7
... oxygen . Pyrogallic acid must be very carefully preserved , an account of the great avidity of this substance for oxygen , whilst cuprous oxide may be easily conserved in a dry state and when necessary dissolved in ammonia . A solution ...
... oxygen . Pyrogallic acid must be very carefully preserved , an account of the great avidity of this substance for oxygen , whilst cuprous oxide may be easily conserved in a dry state and when necessary dissolved in ammonia . A solution ...
Страница 10
... Oxygen 42'I 6'4 51'5 The equivalent of water fixed in this substance resists desiccation . The substance , for which the author pro- poses the name hydro - cellulose , is characterised by its extreme friability . Constitution of the ...
... Oxygen 42'I 6'4 51'5 The equivalent of water fixed in this substance resists desiccation . The substance , for which the author pro- poses the name hydro - cellulose , is characterised by its extreme friability . Constitution of the ...
Страница 12
... oxygen ( 3 to 6 per cent by weight of H2O2 ) . The weaker solution , which is said to keep for months without change , is sold at 8s . per kilo . , in larger quantities at 6s . The stronger solution is sold at double the price . The ...
... oxygen ( 3 to 6 per cent by weight of H2O2 ) . The weaker solution , which is said to keep for months without change , is sold at 8s . per kilo . , in larger quantities at 6s . The stronger solution is sold at double the price . The ...
Страница 18
... oxygen . It is curious to point out here a certain analogy between refining glass and refining copper . In the former case the excess of the sulphate of soda , which is the agent of vitri- fication , is destroyed by wood . In copper ...
... oxygen . It is curious to point out here a certain analogy between refining glass and refining copper . In the former case the excess of the sulphate of soda , which is the agent of vitri- fication , is destroyed by wood . In copper ...
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Страница 117 - The apparatus was fitted up in a room specially devoted to it, and was protected on all sides, except where the rays of light had to pass, with cotton-wool and large bottles of water. A heliostat reflected a beam of sunlight in a constant direction, and it was received on an appropriate arrangement of slit, lenses, prisms, &c., for projecting a pure spectrum.