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Home / Shop / HI3887 Swimming Pool pH and Residual Chlorine Measurement Kit
HI3887 Swimming Pool pH and Residual Chlorine Measurement Kit

HI3887 Swimming Pool pH and Residual Chlorine Measurement Kit

Producer:
SKU: HANNA-HI3887 Category: Brand:

The HI3887 is a quick test kit for measuring free chlorine and pH. Free chlorine is measured using the DPD method; pH is measured using a visual pH indicator.

Reagents required to perform approximately 50 free chlorine measurements and 100 times measured pH

Easy to use

1.410.000 ₫
(The above price includes VAT 10%)
10 TIMES COMPENSATION
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12 MONTH WARRANTY
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description

Chlorine is one of the most commonly used disinfectants for drinking water, wastewater, and water used for swimming pools and spas. It can be added in various forms including calcium hypochlorite, sodium hypochlorite, or in some cases, chlorine gas. When added to water, chlorine produces hypochlorous acid (HOCl) which dissociates into hypochlorite ions (OCl-).

HOCl ↔ H + + OCl-
hypochlorous acid hydrogen ion + hypochlorite ion

HOCl is a form of chlorine that acts as a more powerful disinfectant than OCl-. To ensure that the added chlorine is effective in sanitizing, the pH of the water must be taken into account. Around pH 7.5, HOCl and OCl- are present in roughly equal amounts. Below pH 7.5, the equilibrium shifts in favor of HOCl; above pH 7.5, the equilibrium shifts in favor of OCl-. Depending on the application, chlorine addition is effective when added to water with a neutral or slightly acidic pH.

When chlorine is first added to water, it is available as free chlorine. The measurement of free chlorine represents the amount available for disinfection. Once the chlorine begins to disinfect bacteria and pathogens in the water, it becomes combined chlorine; combined chlorine is no longer available to act as a disinfectant.

pH

The scale

6.0 to 8.5 pH

Resolution

0.5 pH

Method

pH indicator

Number of measurements

100

How to measure

Color comparison

Residual chlorine

The scale

0.0 to 2.5 mg/L (ppm)

Resolution

0.5 mg/L

Method

DPD

Number of measurements

50

How to measure

Color comparison

General specifications

Supply includes

Reagents for 100 pH measurements and 50 residual chlorine measurements

Guarantee

Are not

Attention

This product may expose you to chemicals including Ethylene glycol (ingested), known to the State of California to cause birth defects or other reproductive harm.
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