COD water test vials

Applicable to all analytical procedures from cell analysis to chemical analysis.
-Made of borosilicate glass tube.
-The threaded cap is made of PP and PC materials, and the gasket is made of PTFE silicone rubber, which can withstand various chemical corrosion.
-Specially designed for COD analysis, also applicable to other instruments and tests.
-The material used for the outer packaging is a new generation of polymer that meets the environmental protection needs of Europe and America, without any odor,
Harmless to the human body.