Sodium salicylate-sodium hypochlorite spectrophotometric method, Nessler's reagent colorimetric method and Ion selective eletrode method), the result obtained turns out to be satisfactory.
Sodium salicylate-sodium hypochlorite spectrophotometric method, Nessler's reagent colorimetric method and Ion selective eletrode method), the result obtained turns out to be satisfactory.
并对靛酚蓝分光光度法与纳氏试剂分光光度法、离子选择性电极法与纳氏试剂分光光度法的样品测定进行了对比分析，得到了满意的结果。