A Comparative Study on Iodine, Cheesecloth and Sand as Water Filters

F. Costales, A. Cristobal, M. Dacayan, A. Dayo, D. De Guzman

Science, 2018



  Abstract

This experiment was conducted to compare three variables and see its effectiveness in filtering water. These three were mainly: cheesecloth, sand, and iodine. Cheesecloth is said to be used in cheesemaking wherein they remove the whey in cheese curds. For this to be effective, it is required to use other filtering mediums. Sand is another source of water filter because it is said that microorganisms cling to the surface of the sand particles inside the water. Iodine kills other microorganisms except toxic chemicals and other types of pollution.

For this experiment, the researchers gathered materials and prepared three set-ups. Set-up A used no filter, set-up B used Iodine, and set-up C used both the cheesecloth and sand. After conducting the experiment, Set-up A obtained the pH level of 8 which indicated that the water was alkaline, set-up B obtained the mean of 7.33 and set-up C gained a pH level of 7 which indicated that the water was neutral. We concluded that set-up C was more effective because it obtained the pH level of 7.


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