STUDY ON THE CHEMICAL STATE OF SULFUR IN PHOTOGRAPHIC GELATIN BY XPS

doi:10.7517/j.issn.1674-0475.1998.04.314

Abstract

Abstract: In this paper, the chemical state of element sulfur in undoped, doped ferric ion samples of two typical photographic gelatins were studied by X-ray photoelectron spectroscopy. Sulfur of gelatin macromolecule contains three chemical states: group of Metson group of Metsox and-S-of Met. The ratio of these three chemical states reflects the relative amount of Metson, Metsox, Met in gelatin to a certain extent. Under our experimental conditions, the doped ferric ion induce the Metson to be reduced partly to Metsox.Simultaneously -CH₂- groups of gelatin are oxidized partly to groups.

Key words: photographic gelatin, Met, Metsox, Metson, X-ray photoelectron spectrum

ZHANG Yiheng, LI Jie, YAN Tiantang, YU Shuqin, ZHUANG Siyong, PENG Bixian. STUDY ON THE CHEMICAL STATE OF SULFUR IN PHOTOGRAPHIC GELATIN BY XPS[J]. Imaging Science and Photochemistry, 1998, 16(4): 314-320.

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STUDY ON THE CHEMICAL STATE OF SULFUR IN PHOTOGRAPHIC GELATIN BY XPS

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