Carbon Dioxide Test Kit

In stock

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Easily test for Carbon Dioxide in your tap water. Commonly used to identify if CO2 in your tap water is causing excess DI consumption. LaMotte has been a leader in providing test kits and equipment for water analysis since 1919. All reagents, instruments and test kits are designed and manufactured in Maryland.



Standard alkali is used to titrate samples to the phenolphthalein endpoint. 

  • Method: Titrator
  • Range: 0-50 ppm
  • Sensitivity: 1.0 ppm CO2
  • Contains 50 tests at 50 ppm


What's Included?

  • Titrator
  • Vial with Cap
  • 60 mL Carbon Dioxide B
  • 15 mL Phenolphthalein Indicator 1%
  • Case




Item # - Carbon Dioxide DRT - Code 7297-DR-01

More Information
SKU 208450
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Product Questions

Does anyone know when we should consider it to be pink? Seems to me that it just turns a little bit more pink with each drop. There is no sudden color change like with other titration tests I have used.
Question by: Robert Najuch on Oct 7, 2022, 11:00 AM
The instructions state that you stop after only a faint pink is showing and over 30 seconds. Unlike other tests where you want the color to fully change, this one is a bit different.

"While gently swirling the tube, add Carbon Dioxide Reagent B (4253DR), one drop at a
time, until a faint pink color is produced and persists for 30 seconds. Read test result
directly from the scale where the large ring on the Titrator meets the Titrator barrel.
Record as ppm Carbon Dioxide."
Answer by: William Reed (BRS Staff) on Oct 7, 2022, 2:20 PM