WAK-ClO(C)残留氯/余氯水质离子测试包

0.005,0.01,0.02,0.05,0.1,0.2,0.5




WAK-NO3(C)


硝酸(高浓度)


90,225,450,900,2250,4500


5分钟


50次/盒




硝酸氮(高浓度)


20,50,100,200,500,1000


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07/11 13:34