Adsorption of N-Nitrosodiethylamine and N-Nitrosodimethylamine on Activated Carbon: A Pre-Concentration Procedure for Gas Chromatographic Analysis

被引：0

作者：

Sekar Fatma Aygün

Ahmet Uyanık

Bekir Batı

机构：

[1] Ondokuz Mayıs University,Department of Chemistry

[2] Science & Arts Faculty,undefined

来源：

Microchimica Acta | 2004年 / 146卷

关键词：

Key words: Activated carbon; N-nitrosodimethylamine; N-nitrosodiethylamine; gas chromatography.;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

In this study, a rapid pre-concentration procedure, which employs powdered activated carbon as a clean-up and pre-concentration material, is described for the gas chromatographic analysis of N-nitrosodiethylamine (NDEA) and N-nitrosodimethylamine (NDMA) in aqueous solutions. It was found that powdered activated carbon is suitable for the adsorption of volatile N-nitrosamine compounds from aqueous solutions. Adsorption efficiency with spiked beer samples (alcohol content ≈5% v/v) was found to be 80.5% (NDMA) and 89.4% (NDEA) and recovery of extraction from activated carbon was calculated as 82.1% (NDMA) and 89.7% (NDEA), respectively. The effect of 100 µg mL−1 of tannic acid on the adsorption was also studied, and no significant effect on the adsorption and extraction of volatile N-nitrosamine compounds was found.

引用

页码：279 / 283

页数：4

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