discounting certified 16mm cod digestion vials with flat bottom

name: 16mm glass COD test tube/ COD digestion test tube material: high borosilicate glass. Bottom: round bottom/ flat bottom

Hach's USEPA-approved dichromate COD Method is the most widely used chemical oxygen demand (COD) method for NPDES reporting in the world.

Economical shell vials price-HPLC Vial Inserts Dec 01, 2021 · Aug 20, 2021 · News buy wholesales 15mL cod vials factory price China certified 16mm cod digestion 

10-15ml 16mm Test Cod Tube for Water Analysis Tubular Glass Vial Flat Bottom ; US $2.5-13.12 / Bag |, 1 Bag (Min. Order) ; Disposable: Disposable ; Certification: 

Hach's COD Digestion Vials (High Range) are used for determination of high range Chemical Oxygen Demand (COD) by the Reactor Digestion method.

This rack was designed to carry and store twenty 7mL mini LSC vials . It accommodates flat-bottom glass or plastic containers up to 8mm in.

HotBlock Reactor is designed to hold 16mm diameter, round-bottom vials. This is the typical size of all digestion vials for not only the COD digestion but 

Hach 2125925 COD Digestion Vial, High Range (Pack of 25): Amazon.com: Flip Caps and Rubber Stoppers, 100 Pack, 20mm Flat Bottom Lab Vial(Amber).

Premeasured reagent is packaged in flat-bottom ampules that are compatible with most spectrophotometers. Reagents have a two-year shelf life. A certificate