๐”– Bobbio Scriptorium
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Decomposition of water by ultra-violet light

Publisher
Elsevier Science
Year
1911
Tongue
English
Weight
66 KB
Volume
172
Category
Article
ISSN
0016-0032

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โœฆ Synopsis

9 2 CURRENT TOPICS.

at the Bureau is 9.9, while the lamp at the National Physical Laboratory is IO c.p. The humidity correction is fully discussed, and the barometric pressure correction is stated to be about 0.6 per cent. for a change of I cm. in the pressure. It is considered that while the results so far obtained are encouraging, much remains to be done to make the pentane lamp a thoroughly satisfactory flame standard.

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Nucleic acids, because of the presence of purines and pyrimidines in the molecule, absorb ultra-violet light with a maximum absorption at 2600 A. Recently, Larionow and Brumberg (1) suggested, on the basis of ultra-violet light photomicrographic studies, that desoxyribonucleic acid, as it exists in