Methods to Test Free Chlorine in Pool
There are three important methods to test chlorine residual in swimming pool drinking water in the field
in developing countries:
in developing countries:
1) Pool test kits
2) Color-wheel test kits
3) Digital
1. Pool Test Kits
The main option for testing procedures a liquid chemcial that reasons a color
Variation to yellow in the company of full chlorine. You fill a pipe with water, add
1-5 drops of the liquid, and look for the color change ,This way does not measure chlorine.
Benefits of the pool test kits are:
· Low price
· Very easy to usage Drawbacks of the pool test kits are:
· Degradation of the OTO solution that causes inexact readings over time
· Generally not reliable quantitative results
· Lack of setting and standardization
2. Color-wheel Test Kit
Color helm test kits use a dust or tablet chemical that reasons a color variation to pink in the attendance of chlorine. The color helms are simpler and less luxurious than digital meters because to measure the intensity of the color change, the field worker usages a color wheel to visually match the color to a arithmetical free or total chlorine interpretation. The test kit can be used to measure chlorine
Benefits of the color-wheel test kits are:
· Precise readings if used properly
· Little cost
Drawbacks of the color-wheel test kits are:
· Possible for user mistake
