将以臭氧为基础的AOP与DLLME结合起来,同时确定表面水中的微量无和总
Xiaofang Sun1, Chuanbin Zhang1, Youwen Pan1
1College of Chemical Engineering, Zhejiang University of Technology Hangzhou China zgdsxf@zjut.edu.cn.
RSC advances
|May 21, 2025
概括
一种使用UV/O3氧化和马拉绿色分散液-液微提取 (DLLME) 的新绿色方法,可以灵敏精确地检测水中的反 (Sb). 这种先进的氧化过程 (AOP) 方法允许同时确定不同类型的反.
科学领域:
- 环境化学环境化学
- 分析化学 分析化学
背景情况:
- 传统的抗测定方法是试剂密集型的,缺乏灵敏度.
- 反 (Sb) 是一种在水中发现的有毒重金属污染物.
研究的目的:
- 开发一种绿色,敏感和精确的方法来确定水中的微量抗氧化物.
- 建立一种新的方法,用于同时确定Sb (iii),Sb (v) 和总 (TSb).
主要方法:
- 紫外线/O3协同氧化与马拉绿色分散液液微提取 (DLLME) 光谱相相结合.
- 利用选择性复合,颜色发展和Sb (v) 丰富的可溶性差异.
- 采用先进的氧化工艺 (AOP) 进行高效的Sb (III) 氧化和微量总 (TSb) 测定.
主要成果:
- 该方法在1-30μg L-1范围内显示出良好的线性 (R2 = 0.9943).
- 实现了低方法检测极限 (MDL = 0.3208μg L-1) 的高精度 (1.63%) 和准确性 (0.64%).
- 通过差异方法成功实现了Sb (iii),Sb (v) 和TSb的同时确定.
结论:
- 拟议的UV/O3-DLLME光谱光度测量方法是水中微量抗氧化物分析的绿色和有效替代方案.
- 该方法具有很高的灵敏度,精度和准确性,适合环境监测.
- 同时确定不同的反物种是可行的,提供了全面的水质评估.
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