DPD No.2 Nessler

Exposing chloramines with the Nessleriser system

  • Green Chemistry without boric acid
  • Highest accuracy of test results
  • Easy handling & application
  • Exact dosing & enormous shelf life
If nitrogen gets into the water, it can combine with some of the chlorine used as a disinfectant, the free chlorine. This produces chloramines, which can be recognised by the characteristic indoor pool smell. Together with other compounds, they are called combined chlorine. The DPD method can be used to find out how large the proportion of monochloramines is. To do this, the free chlorine content is first determined with the DPD No.1 tablet. After adding the DPD No.2 tablet, the value of the monochloramines is available. DPD No.2 Nessler tablets are mainly used for colorimetric measurements, especially with the Nessleriser system in comparators.


Part Number 511240


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Product information

Parameter and Range Method No. Instrument Type
Chlorine T 0.01 - 0.1 mg/L Cl2 M3034
Chlorine T 0.1 - 1.0 mg/L Cl2 M3037
Chlorine T 0.02 - 0.2 mg/L Cl2 M3035
Chlorine T 0.05 - 0.5 mg/L Cl2 M3036
Title Online Download Type Format Language Direct Download
Instruction Manual (Method No.: M3115, M3116, M3117, M3118, M3119, M3120, M3121, M3122, M3123) Instruction Manual PDF (0.03 MB)
Instruction Manual (Method No.: M3014, M3015, M3016, M3018, M3020, M3021, M3022, M3023, M3024, M3025, M3026, M3031, M3034, M3035, M3036, M3037, M3114) Instruction Manual PDF (0.05 MB)
Instruction Manual (Method No.: M3019) Instruction Manual PDF (0.03 MB)
Validation Data DPD No.1 Free Chlorine Validation Data PDF (0.12 MB)