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Wave lengths longer than 5500Å in the arc spectra of seven elements

✍ Scribed by C.C. Kiess; W.F. Meggers


Publisher
Elsevier Science
Year
1920
Tongue
English
Weight
74 KB
Volume
189
Category
Article
ISSN
0016-0032

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Wave-length measurements in the arc spec
✍ C.C. Kiess 📂 Article 📅 1922 🏛 Elsevier Science 🌐 English ⚖ 67 KB

THE arc spectra of neodymium and samarium were photographed with a large concave grating spectrograph, the photographic plates being suitably sensitized to record the spectra from the green to the infra-red. About 1500 lines were measured in each spectrum, most of them being of low intensity. No b