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Titolo:
OXIDATION OF CR(III) TO CR(VI) SPECIES DURING THE THERMAL-DECOMPOSITION PROCESS OF ZN CR-LAYERED DOUBLE HYDROXIDE CARBONATE/
Autore:
FUDA K; SUDA K; MATSUNAGA T;
Indirizzi:
AKITA UNIV,COLL MIN,DEPT MAT ENGN & APPL CHEM AKITA 010 JAPAN
Titolo Testata:
Chemistry Letters
fascicolo: 9, , anno: 1993,
pagine: 1479 - 1482
SICI:
0366-7022(1993):9<1479:OOCTCS>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
1/2CO3/2-); SALTS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
5
Recensione:
Indirizzi per estratti:
Citazione:
K. Fuda et al., "OXIDATION OF CR(III) TO CR(VI) SPECIES DURING THE THERMAL-DECOMPOSITION PROCESS OF ZN CR-LAYERED DOUBLE HYDROXIDE CARBONATE/", Chemistry Letters, (9), 1993, pp. 1479-1482

Abstract

The intermediates obtained from thermal decomposition of Zn/Cr-layered double hydroxide carbonates (Zn/Cr-LDH; Zn0.66Cr0.34(OH)2(CO3)0.170.57H2O) were studied by XRD, TPD, FT-IR, ESCA and chemical analyses. Itwas found that Cr(III) ions embedded originally in the hydroxide layers were oxidized to Cr(VI) species in the temperature range between 473 and 773 K where the layer structure was lost, and reduced again to Cr(III) in the spinel phase over 773 K.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 27/11/20 alle ore 01:38:47