高效液相色谱测定皮革中直链烷基苯磺酸盐

Journal of Southwest University(Natural Science Edition)(2015)

Cited 23|Views5
No score
Abstract
采用高效液相色谱法对皮革中的直链烷基苯磺酸盐(LAS)进行测定.皮革样品采用甲醇超声波提取后浓缩至干,二氯甲烷溶解,经中性氧化铝固相萃取柱净化,浓缩至干,甲醇定容.用反相C8柱(4.6×150 mm,5μm)分离,以甲醇-10 mmol/L乙酸铵为流动相进行等度洗脱,二级管阵列检测器测定波长为225 nm.结果表明,LAS在0.5~ 10.0 mg/L范围内线性关系良好,相关系数大于0.999;检测限为10 mg/kg;在10 ~ 2000 mg/kg添加水平下回收率为86.1%~96.8%,RSD均不大于13%.方法适用于皮革中直链烷基苯磺酸盐的测定.
More
Translated text
Key words
Linear alkylbenzene sulfonate,Leather, Determination, HPLC
AI Read Science
Must-Reading Tree
Example
Generate MRT to find the research sequence of this paper
Chat Paper
Summary is being generated by the instructions you defined