The Malaysian Journal of Analytical Sciences Vol 15
No 2 (2011): 288 – 294
DETERMINATION OF RADON
ACTIVITY CONCENTRATION
IN HOT SPRING AND SURFACE
WATER
USING GAMMA SPECTROMETRY
TECHNIQUE
(Penentuan Kepekatan Aktiviti Radon Di dalam Air Panasdan Air Permukaan
Dengan Menggunakan Teknik Spektrometri Gama)
Zaini Hamzah1, Ahmad Saat2, Mohammed
Kassim*1
1Faculty
of Applied Sciences,
2International Education Centre (INTEC),
UniversitiTeknologi
MARA, KampusSeksyen 17, 40200 Shah Alam, Malaysia
*Corresponding author:
mohammed_kassim84@yahoo.com
Abstract
Naturally
occurring radionuclides in water such as, 222Rn which emit gamma
radiation through its decaying process could reach to human. Water samples were
chosen to present ground and surface water. The groundwater samples were
collected from, Perak, Selangor, Kelantan and Sembilan. The surface water
samples were collected from Perak, Kelantan, and Pahang. In this study, the
surface doses rate measurements were done in-situ using LUDLUM rate meter, and
the radioactivity concentration levels were done by counting the water samples
using gamma spectrometer with HPGe detector. The activities are ranged from
(0.29-1.41 Bq/l).
Keywords: Radon, Gamma spectrometry, Surface
water, Groundwater
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