Spectrophotometric Investigation on the Effect of Temperature on the absorption spectra of divalent copper | Zendy

Hassanein M. | Zendy

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Spectrophotometric Investigation on the Effect of Temperature on the absorption spectra of divalent copper

Author(s) -

Hassanein M.

Publication year - 1968

Publication title -

zeitschrift für anorganische und allgemeine chemie

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.354

H-Index - 66

eISSN - 1521-3749

pISSN - 0044-2313

DOI - 10.1002/zaac.19683620513

Subject(s) - copper , divalent , analytical chemistry (journal) , absorption spectroscopy , decomposition , chemistry , absorption (acoustics) , spectral line , phase (matter) , crystallography , inorganic chemistry , materials science , optics , physics , organic chemistry , chromatography , astronomy , composite material

The effect of temperature on the absorption spectra of Cu 2+ in tetra‐coordination (Cu x Zn 2−x SiO 4 and CaNi 0.01 Cu 0.99 Si 4 O 10 ) was investigated spectrophotometrically. The results on Cu x Zn 2−x SiO 4 showed lower intensity of light in the main band together with the appearance of another flat maximum. The limit of isomorphous replacement may be about x = 0,05 Cu 2+ in the system Cu x Zn 2−x SiO 10 . The decomposition of the phase CaNi 0.01 Cu 0.99 Si 4 O 10 and its reformation was observed.

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