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New method for measuring the average chromium concentration in ruby crystals

โœ Scribed by R. I. Vassernis; E. M. Ostrovskaya; B. S. Perli; S. A. Sazonova; B. S. Skorobogatov

Publisher
Springer US
Year
1977
Tongue
English
Weight
228 KB
Volume
26
Category
Article
ISSN
0021-9037

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New method for sulphur concentration mea
New method for sulphur concentration measurements in coal and char
โœ Peter R. Solomon; Arch V. Manzione ๐Ÿ“‚ Article ๐Ÿ“… 1977 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 1019 KB

A new method has been developed for determining the organic sulphur concentration and the stoichiometry of iron sulphide compounds in coals and chars. The method employs a scanning electron microprobe which separates the contribution from different sulphur forms by examining the differences in their