WAK-COD化学需氧量水质离子测试包
硝酸氮


0.2,0.5,1,2,5,10




WAK-O3


臭氧


0.1,0.2,0.5,1,2,5


1分钟


50次/盒




WAK-pH


PH


PH5.0-9.

07/13 04:17