期刊
SPECTROSCOPY LETTERS
卷 34, 期 2, 页码 117-124出版社
MARCEL DEKKER INC
DOI: 10.1081/SL-100002001
关键词
manganese(VI); permanganate; oxidation; chitin; chitosan; polysaccharides
类别
The formation of a short-lived manganate(VI) intermediate has been confined during the oxidation of chitin and chitosan polysaccharides by the permanganate ion at pH's greater than or equal to 12, spectrophotometrically. The Mn(VI) transient species intermediate was characterized by a band at a wavelength of 610 nm, an absorption maximum, with a absorptivity (i.e., molar extinction coefficient) of 1250 +/- 75 dm(3) mol(-1) cm(-1).
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