标题：STUDIES ON THE CRITICAL MICELLE CONCENTRATION OF N-ALKYLBETAINES BY FLUORESCENCE PROBE
作者：REN, XZ; LI, GZ; WANG, HL; ZHAI, LM; SUI, WP; XU, XY
通讯作者地址：[REN, XZ]SHANDONG UNIV, DEPT CHEM, JINAN 250100, PEOPLES R CHINA.
来源：CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
关键词：BETAINE; PYRENE; CRITICAL MICELLE CONCENTRATION
摘要：The fluorescence characteristics of I-5/I-1, and I-3/I-1 of pyrene which is sensitive to the environment of probe was used to study the critical micelle concentration(cmc) of N-dodecylbetaine and N-tetradecylbetaine. The effect of salt concentration on the cmc values was studied. The results obtained indicate that cmc values determined from the parameters I-5/I-1, of pyrene are close to that from the surface tension measurements, and more accurate than that from I-3/I-1.