Product - COD Digestion

Learn more about Samples, Measurement, and Disposal of COD Vials

DRB200: Digital Reactor Block: 9 x 16 mm vial wells, 2 x 20 mm vial wells, 115 Vac

DRB 200 Reactors

The simple solution for standard and special digestions, reactors offer programmable digestion temperature and duration time. A dual digestion block gives the option for simultaneous digestions.

Single Block — 9 vials x 16 mm + 2 vials x 20 mm
Dual Block — 21 vials x 16 mm + 4 vials x 20 mm

Reactor Adapter

Converts 16 mm diameter vial wells to 13 mm wells
Drop in and remove easily after cooling

Use the COD chemistries appropriate for your instrument to help ensure optimal results.

TNTplus®

All TNTplus reagents work with Hach’s DR 5000, DR 3800 and DR 28000 Spectrophotometers to simplify analysis, minimize error, eliminate chemical exposure and save time.

COD TNTplus (13 mm)

The following four chemistries contain mercury. Dispose of according to local, state and federal regulations.

Ultra-low Range - TNT 820 — 1.0-60.0 mg/L with 24 tests
Low Range TNT 821 — 3-150 mg/L with 150 tests, EPA compliant
High Range TNT 822 — 20-1,500 mg/L with 150 tests, EPA compliant
Ultra-high Range TNT 823 — 250-15,000 mg/L with 25 tests

Chemical Oxygen Demand (COD), Mercury-Free, TNTplus, HR, 25 tests

Mercury-free COD TNTplus (13 mm)

A greener choice without the hassle of mercury disposal.

High Range TNT 825 — 25-1,000 mg/L with 25 tests

COD Digestion Vials

Minimize handling of corrosive and toxic chemicals and eliminate pipetting hazardous reagents. 16 mm Test ’N Tube for Hach DR 5000, DR 3800, and DR 2800 Spectrophotometers.