chemical oxygen demand tubes

COD testing is a good better indicator of organic pollutants in industrial wastewater containing cyanides and heavy metals. For any requirements about COD Tubes, please tell me.
Product name: COD Tubes without Logo
Size: 16*100mm
Application: Water analysis
Material: Borosilicate 3.3 Glass
Melting point: -7℃
Certificate: ISO9001

COD testing is a good better indicator of organic pollutants in industrial wastewater containing cyanides and heavy metals. COD testing affords rapid response to changing conditions before critical.