K-2705 Chlorine Dioxide

Dissolved Chlorine Dioxide Testing Visual Kit

Measure chlorine dioxide 0-2 ppm & 0-10 ppm

Replacement ampoules for the K-1420 Test Kit can be found here.

Chlorine Dioxide Information

2-5 Business Days

Why Choose CHEMetrics Chemets kits?

CHEMetrics Chemets self-filing reagent ampoules are a great way to test for dissolved substances in liquids. These visual test kits allow you to obtain results by measuring the color of the sample according to the color comparators provided with the kit. This unique method allows you to attain results quickly and accurately with minimal contact with potentially hazardous materials.

Safe and Reliable Results:

While traditional methods often require multiple steps and thorough preparation, these test kits allow you to obtain dependable results with a few simple steps. By simplifying the testing method, Chemets test kits reduce the potential for operator error. Additionally, each of the ampoules contained in the test kits is vacuum sealed which helps eliminate the problem of obtaining inaccurate results from stale or unstable reagents. These reagents are stored right in the tip of each ampoule and sealed in glass, thereby minimizing direct contact with the chemicals.

What's Included:

     -30 self-filling Ampoules

     -low and high-range comparators 

     -1 25 mL Sample Cup

     -Neutralizer Solution

     -1 mL syringe

     -Instruction Manual



The K-2705 CHEMets Visual Kit is a visual indicator kit for measuring chlorine dioxide in water levels from 0-2 and 0-10 ppm.  This device uses the DPD Method for testing. In the standard DPD methodology, chlorine dioxide reacts with DPD (N, N-diethyl-p-phenylenediamine) to form a pink product. Interference from free Cl2 is prevented (up to 6 ppm Cl2) by the addition of glycine to the sample. Results are expressed as ppm (mg/L) ClO2.


1. Fill the sample cup to the 15 mL mark with the sample to be tested. Add 6 drops of Neutralizer Solution. Stir to mix the contents of the cup. 2. Place the Vacu-vial ampoule tip-first into the sample cup. Snap the tip and the ampoule will automatically fill.
3. To mix the ampoule, tilt it from side to side, allowing the bubble to travel from end to end. 4. Dry the ampoule and wait exactly 1 minute for color development.
5. Place the ampoule into the center of the round comparator and hold it toward a source of light, viewing from the bottom. Rotate the comparator until the color below the ampoule shows the closest match. 6. For higher concentrations, use flat comparator. Place the ampoule between the color standards, moving it along the comparator until you can determine the closest match.

For more detailed instructions, see the link at the bottom of the page.

More CHEMetrics Kits for Chlorine Dioxide:

Product Number Method   Range
K2703 DPD   0-11.0ppm
Chemets Kits
Product Number Method MDL Range
K2705 DPD 0.1 ppm 0-2 & 0-10ppm



K-2705 Instructions

Safety Data Sheet

K-2705 Tech Sheet

Chlorine Dioxide Information


More Information
Manufacturer CHEMetrics
Call For Price No
Gas Chlorine Dioxide (ClO2)
4-20 mA Output No
Voltage Output None
Power Requirements None
Datalogging No
Warranty 1 Year
Range 0-2 ppm & 0-10 ppm
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