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The Absorption Spectra of Cobaltous Compounds. IV. The Alkali Oxide—Boric Oxide Glasses

✍ Scribed by Brode, Wallace R.


Book ID
127014508
Publisher
American Chemical Society
Year
1933
Tongue
English
Weight
569 KB
Volume
55
Category
Article
ISSN
0002-7863

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The optical absorption spectra of thoriu
✍ J.H. Bodine; F.B. Thiess 📂 Article 📅 1955 🏛 Elsevier Science 🌐 English ⚖ 51 KB

## Absorption measurements in the region of 2200 A to 10,000 A were made on optically polished thoria crystals of 99.9 per cent purity. Firing the crystals in air and in vacuum at different temperatures gave the red, white and yellow forms described by Weinreich and Dzmforth.' The present improved