Aijiren test tubes with rims are made from borosilicate glass 3.3 making them excellent for general laboratory use. Pack size: Pack of 100 Size: 16x125mm Tube Diameter:16mm Tube Length:125mm Wall Thickness :1.2mm
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.
