MEASUREMENT OF 226RA IN RIVER WATER USING LIQUID
SCINTILLATION COUNTING TECHNIQUE
Zaini Hamzah1, Siti Afiqah Abdul Rahman1, Ahmad Saat2, Siti Shahrina Agos1 and
Zaharudin Ahmad3
1Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam
2International Education Center, Universiti Teknologi MARA, 40200 Shah Alam
3Radiochemistry and Environmental Laboratory, Malaysian Nuclear Agency, 43000 Bangi,
Selangor
Email: siti_afiqah@ymail.com
ABSTRACTSCINTILLATION COUNTING TECHNIQUE
Zaini Hamzah1, Siti Afiqah Abdul Rahman1, Ahmad Saat2, Siti Shahrina Agos1 and
Zaharudin Ahmad3
1Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam
2International Education Center, Universiti Teknologi MARA, 40200 Shah Alam
3Radiochemistry and Environmental Laboratory, Malaysian Nuclear Agency, 43000 Bangi,
Selangor
Email: siti_afiqah@ymail.com
The presence of 226Ra in water is a great concern in human life since it can cause health risk to
a certain extent. In the state of Kelantan, being known of its granitic area, there is a lack
measurement of 226Ra content in river water, since water is the major source of water supply.
According to the INTERIM National Water Quality Standards for Malaysia (INWQS), 226Raa certain extent. In the state of Kelantan, being known of its granitic area, there is a lack
measurement of 226Ra content in river water, since water is the major source of water supply.
activity concentration in water cannot exceed 0.1 Bq/L. For this reasons, this research was
planned to carry out a systematic measurement of water along Sungai Kelantan. Liquid
Scintillation Counting was used for measurement of 226Ra in water samples from Sungai
Kelantan mainly in district of Kuala Krai. In this paper, the results obtained is about 26 water
samples, filtered and unfiltered, collected along Sungai Lebir, Sungai Sok and Bukit Sabah.
Thus, the assessment activity concentration of 226Ra in river water was obtained as well as
annual effective dose for consumption of drinking water.
planned to carry out a systematic measurement of water along Sungai Kelantan. Liquid
Scintillation Counting was used for measurement of 226Ra in water samples from Sungai
Kelantan mainly in district of Kuala Krai. In this paper, the results obtained is about 26 water
samples, filtered and unfiltered, collected along Sungai Lebir, Sungai Sok and Bukit Sabah.
Thus, the assessment activity concentration of 226Ra in river water was obtained as well as
annual effective dose for consumption of drinking water.
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