Application Of Fiber Optic Sensor For Sodium Hypochlorite Concentration Detection

Abdul Afri, Mohd Nor Zamani (2016) Application Of Fiber Optic Sensor For Sodium Hypochlorite Concentration Detection. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

'ANALYSIS of FIBER OPTIC SENSOR into the CONCEPT for SODIUM HYPOCHLORITE' is to investigate the properties of chemicals contained in sodium hypochlorite and respond to water treatment that has been used in Malaysia at the moment. To identify each quantity of sodium hypochlorite content is the same or not, this report is based on sensing system is designed to identify the quality of the water distributed to residents after the water treatment processes. This sensor was developed from fiber optic single mode cable. The experiment was divide by two part. First part is to measure the quality of tap water distribute by provider to user by take one sample for each state in south of Malaysia. The tap water sample is from Kuala Lumpur, Selangor, Negeri Sembilan, Melaka, and Johor. Another part is to measure different concentration detection of chlorine. There were four light source to be use in both experiment, it is 850nm, 1300nm, 1310nm, and 1550nm. for concentration it has five different concentrations. There is 10%,20%,30%40% and 50%. The output result will perform of the detection molecule at surface of the sensor and perform the sensitivity from response of power loss. The sensitivity will show the molecule detection contain in tap water and detection for different concentration. As the result for overall tap water detection, the high sensitivity is mostly performing in tap water from Negeri Sembilan with the highest sensitivity is 0.1378. for different concentration detection is show the high sensitivity is in 40% of concentration.

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