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

07/11 11:35