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Hanna Instruments – HI3831F-050 – Free Chlorine Test Kit Replacement Reagents (50 tests)

The HI3831F-050 is a set of high-quality, pre-measured replacement reagents for the HI3831F Free Chlorine Test Kit. Using the DPD colorimetric method, these reagents allow fast and accurate determination of free chlorine in waterwithin the 0.0 to 2.5 mg/L (ppm) range. The kit includes enough reagents for approximately 50 tests, and a color comparator cube can be used for precise visual readings. These reagents ensure consistent performance without the need to purchase a new test kit.

  • Method: DPD (N,N-diethyl-p-phenylenediamine) colorimetric analysis
  • Range: 0.0–2.5 mg/L free chlorine
  • Number of Tests: 50 tests per reagent set
  • Compatibility: Replacement reagents for HI3831F Free Chlorine Test Kit

Description

The HI3831F-050 reagent set is designed to quickly and reliably measure free chlorine in water using the DPD method. In the test, the sample is adjusted to a pH of ~6.3, and the DPD reagent reacts instantly with any free chlorine present, forming a reddish-colored complex. The intensity of the color correlates directly with chlorine concentration, and a color comparison cube allows for an accurate visual determination of the free chlorine level.

These replacement reagents are intended for use with the HI3831F test kit, providing enough chemicals for approximately 50 measurements. Using this reagent set eliminates the need to purchase a new kit when the original reagents run out, ensuring consistent testing accuracy. Monitoring free chlorine is essential for safe drinking water, swimming pools, and other water treatment applications, as it confirms adequate disinfection and compliance with EPA residual chlorine guidelines.

Features

  • Product Type: Free chlorine replacement reagents
  • Method: DPD colorimetric analysis
  • Measurement Range: 0.0 to 2.5 mg/L (ppm)
  • Number of Tests: 50 tests
  • Compatibility: Replacement for HI3831F Free Chlorine Test Kit
  • Color Development: Forms reddish-colored complex proportional to chlorine concentration
  • Visual Analysis: Side-by-side comparison using color comparator cube
  • SKU: HI3831F-050
  • Package: Bottles

Specifications

SKU HI3831F-050
Product Name Free Chlorine Test Kit Replacement Reagents (50 tests) – HI3831F-050
Quote Required Yes
Package bottles
Quantity 50 tests
Method DPD

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