影响地表水总氮测定的因素分析

CHINESE JOURNAL OF SPECTROSCOPY LABORATORY(2005)

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Abstract
以长江望龙门、寸滩断面水样和嘉陵江磁器口、大溪沟断面水样为测定样品,研究了影响总氮测定的因素.结果表明,在测定地表水水样时,取样自然沉降时间、过硫酸钾溶液的配制与保存、待测水样pH值和氧化液处理方式是影响总氮测定的主要因素.
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