糠醛衍生化-气相色谱(NPD)法测定水中水合肼

Earth and Environment(2017)

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Abstract
通过研究影响水样中水合肼的糠醛衍生化物的衍生化、萃取,及气相色谱的分离和氮磷检测器(NPD)的测定条件,建立了糠醛衍生化-气相色谱(NPD)法测定水中水合肼的新分析方法.实验结果表明,用糠醛衍生化、乙酸乙酯萃取肼的糠醛衍生化物,气相色谱-NPD检测器测定肼的糠醛衍生化物,水合肼糠醛衍生化物的萃取率为89.3%~93.4%,在0~ 200 μg/L范围内线性良好,检出限为0.014 μg/L,加标回收率为81.7%~99.4%,相对标准偏差为2.9% ~ 6.3%.方法特异性好、准确、灵敏度高、重现性好,实用,适于水中水合肼的监测.
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Key words
furfural derivatization,gas chromatography,water,hydrazine
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