典型饮水系统中人工甜味剂三氯蔗糖的调查

朱世翠,陆思嘉,宋亚丽,朱丽丹,张赟,马晓雁

Investigation of artificial sweetener sucralose in typical drinking water systems

Shi-cui ZHU,Si-jia LU,Ya-li SONG,Li-dan ZHU,Yun ZHANG,Xiao-yan MA

表 1 SPE-GC/MS法测定的三氯蔗糖的加标回收

Tab.1 Spiked recovery of sucralose detected by SPE-GC/MS method

ρj/（µg∙L−1） ρ0/（µg∙L−1） Rec/% RSD/% 超纯水 0.1 0 97.6 3.5 2.0 0 100.4 3.7 5.0 0 101.5 4.7 管网水 0.1 0.17 94.8 4.6 2.0 0.17 88.1 3.2 5.0 0.17 107.7 2.3 原水 0.1 0.32 94.8 2.5 2.0 0.32 95.0 0.6 5.0 0.32 90.5 3.6