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Hypochlorite Chemical Test Kit – HI3843

The HI3843 is a chemical test kit that measures hypochlorite by iodometric titration. The HI3843 is supplied complete with all of the reagents and equipment necessary to perform approximately 100 tests.

  • Pre-made reagents for ease of use
  • All reagents marked with expiration date and lot number for traceability
  • Manual titration performed with color indicator

AED

Estimated delivery: 20 - 21 May

SKU:HI3843

The HI3843 is a titration-based chemical test kit that determines the hypochlorite concentration within the 50 to 150 g/L Cl2 range. The HI3843 is supplied with all of the necessary reagents and equipment to perform the analysis. The test kit contains enough reagents for perform approximately 100 tests.

Features at-a-glance

  • Complete setup
    • All required materials are included with the test kit, such as the Erlenmeyer flask, indicator and reagent bottles and packets, and plastic pipettes.
  • High resolution
    • Readings from 50 to 150 g/L are determined to 5 g/L (0.5%) resolution.
  • Replacement reagents available
    • There is no need to buy a new kit when reagents are exhausted. The HI3843-100 can be ordered to replace the reagents supplied with the kit.

Significance of Use

Hypochlorites are common bleaching agents used to whiten textiles and paper and to disinfect solutions. Sodium hypochlorite solution has been traditionally used for the treatment of pool water since it is an inexpensive and readily available form of chlorine. The solution usually contains 10 to 15% available chlorine (equivalent to 100 to 150 g/L), but it rapidly loses its strength during storage. In addition, since it is greatly affected by heat, light, pH, and heavy metals, it needs to be monitored regularly.

An iodometric titration method is used in the HI3843 test kit. The hypochlorite solution is treated with potassium iodide and strongly acidified with acid (Step 1). The amount of iodine generated is equivalent to the chlorine in the sample. The concentration of iodine is then calculated by titration of thiosulfate ions that reduce the iodine back to iodide ions (Step 2).

Step 1: OCl + 2H+ + 2I → Cl + I2 + H2O

Step 2: I2 + 2(S2O3)2- → 2I + (S4O6)2-

Specifications

SKU HI3843
Name Hypochlorite Chemical Test Kit – HI3843
Hypochlorite Measurement Type titration
Hypochlorite Range 50 to 150 g/L as chlorine (Cl₂)
Hypochlorite Resolution 5 g.L (0.5%) as chlorine (Cl₂)
Hypochlorite Method iodometric
Hypochlorite Number of Tests 100
Weight 485 g (17.1 oz.)
Dimensions 235x175x115 mm (9.2×6.9×4.5 in.)

Ordering Info

HI3843 test kit comes with 30 mL potassium iodide solution, 100 packets bleach reagent B, 60 mL bleach reagent C (2), 125 mL glass Erlenmeyer flask, and 1 mL plastic pipettes (25).

Manuals

Hypochlorite Chemical Test Kit – HI3843

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