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生活饮用水中硝酸盐氮的测定,文献介绍了二磺酸酚法和镉柱还原法,这两种方法都因水样预处理复杂、操作繁琐而难以快速测定.
Determination of nitrate nitrogen in drinking water, the literature describes the disulfonic acid phenol method and the cadmium column reduction method, both of which are complicated by the water sample pretreatment, cumbersome operation and difficult to quickly determine.