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pro vyhledávání: '"Tania Maria Martini De Brum"'
Autor:
Adriani Fischer, Edilson Valmir Benvenutti, Elzio da Silva Barboza, Genova Maria Pulz, Tania Maria Martini De Brum, Pedro Luiz Juchem
Publikováno v:
Pesquisas em Geociências. 27:79
The infrared spectra of two natural samples of powdered emerald from Pirenópolis (Goiás State, Central Brazil) were measured at room temperature (~ 20ºC). Water molecules occur in two different configurations. Three absorption peaks (3656, 3592 an