STUDY OF PHOTOGRAPHIC PROPERTY OF GELATIN MACROMOLECULE Ⅰ. THE DETERMINATION OF METHIONINE SULFONE AND SULFOXIDE CONTAINED IN PHOTOGRAPHIC GELATINS
LI XUN, PENG BI-XIAN, XIAO YU-XIA, NI JING-HUA
Imaging Science and Photochemistry . 1993, (2): 40 -44 .  DOI: 10.7517/j.issn.1674-0475.1993.02.40