Determination of Total Chlorine

Chlorination of water sources has been used for disinfection purposes for many years. Although the pros and cons of this method are debated, it is widely used in water disinfection. Chlorine is mostly added to water in gaseous form, as sodium or calcium hypochlorite.

The reason for chlorine residue in water is that it is added to neutralize various bacteria and some viruses. Chlorine added to water is called as follows:

Chlorine need of water: When chlorine is added to water, some of the chlorine first reacts with organic substances and metals in the water and the part that is not used for disinfection.
Total chlorine: The remaining after calculating the chlorine need. chlorine concentration.

Total chlorine is divided into two:
1) Combined chlorine: The amount of chlorine that reacts with nitrates and is not available for disinfection
2) Free chlorine: It does not neutralize disease-causing organisms.

The determination of chlorine in water is carried out to determine how much sodium hypochlorite solution should be added to the water to be used for drinking purposes in order to protect the free chlorine residue in the water, and to determine the amount of chlorine required for water resources.

For Total Chlorine Determination, please contact Nanolab Environment/Water Analysis Laboratory.