Analysis is carried out in end-point samples by Winkler's titration and indophenol-blue for oxygen and ammonia-N, respectively.
氧
氨氮分别经温克勒滴定
蓝在终端样品中测出。
,染料Analysis is carried out in end-point samples by Winkler's titration and indophenol-blue for oxygen and ammonia-N, respectively.
氧氨氮分别经温克勒滴定蓝在终端样品中测出。
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