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(without typos) from the publisher. Not indexed. Not illustrated.
1911 Excerpt: ...0.16 7.0 hot hydrochloric acid 0.8 8.0 hot nitric
acid 0.0 NO, formed. A spectrogram was made showing the effect of
the addition of hydrogen peroxide to a solution of about 0.75
normal concentration of an aqueous solution of uranous chloride.
The uranous chloride solution did not show any uranyl bands at all,
and even when the uranous bands appeared very strongly there was
very little absorption in the region from X 3500 to X 4200. The
edges of the uranous bands were well defined, there being four very
strong bands extending between the following limits: X 4250 to X
4400, X 4700 to about X 5080, X 5400 to X 5600, and X 6100 to X
6800. The transmission between these bands was quite strong and
appeared to be uniformly distributed. The addition of hydrogen
peroxide caused the uranous bands to decrease in intensity. As far
as the quite sharp uranous bands are concerned it seems that the
individuality of these bands decrease at about the same rate; but
the X 4340 band is replaced by the blue-violet uranyl band, and the
X 5500 band is also apparently replaced by wide general absorption
in this region, extending 500 or 600 Angstrom units. On the other
hand, the transmission seems to be pretty complete in the red and,
with the exception of the very weak uranyl bands, in the region X
4500. A, plate 44, represents the effect of the addition of
hydrogen peroxide to a solution of uranous chloride in water,
acetone, and hydrochloric acid. The solution did not contain the
right proportion of the solvents to show the fine structure of the
uranous and uranyl bands brought out by some acid acetone
solutions. The spectrogram shows very clearly the various uranous
bands, and how they are replaced by the uranyl bands as hydrogen
peroxide is added. The band that appears at abou...
|Country of origin:
Carnegie Institution of Washington
||246 x 189 x 3mm (L x W x T)
||Paperback - Trade
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