Activity concentration and radiometric hazards in meat and bone cow samples from Karbala governorate

A. M. Omron, Nada Farhan Kadhim, A. Ridha
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引用次数: 1

Abstract

All living organisms are exposed to natural radiation in the air, water, and soil. Since the radiation is transmitted through the water to the plant that is irrigated with it, or through the soil in which it is grown, or both of them, as well as from the plants to the animals, and from the plants and animals to the human since humens are meat consumers,we studied beef natural radioactivity in local and imported cow product samples (meat, bones, and internal organs) has been measured. Samples are collected from different markets and regions of Karbala governorate. The study was carried out using a gamma ray spectrometer (NaI (Tl)) with a crystal detector of 3"x3" to measure the specific activity of the radionuclides as well as the calculation of radiation hazard indices. Three natural radionuclides; k-40, Bi-214(U-238), and Ti-208(Th-232) have been detected in the studied samples with various specific activities mean values of 10.757±2.98, 4.141±1.14, and 1.120±0.31 Bq/Kg respectively. Several hazard indices have been calculated also depending on the specific activities measured in each sample; radium equivalent activity (Raeq), internal hazard index (Hin), gamma index (Iγ), alpha index (Iα), absorbed dose rate (Dγ), annual effective dose (Eff dose), and annual gonadal dose equivalent (AGDE). All of them results are less than the recommended values given by (UNSCEAR, 2000).All living organisms are exposed to natural radiation in the air, water, and soil. Since the radiation is transmitted through the water to the plant that is irrigated with it, or through the soil in which it is grown, or both of them, as well as from the plants to the animals, and from the plants and animals to the human since humens are meat consumers,we studied beef natural radioactivity in local and imported cow product samples (meat, bones, and internal organs) has been measured. Samples are collected from different markets and regions of Karbala governorate. The study was carried out using a gamma ray spectrometer (NaI (Tl)) with a crystal detector of 3"x3" to measure the specific activity of the radionuclides as well as the calculation of radiation hazard indices. Three natural radionuclides; k-40, Bi-214(U-238), and Ti-208(Th-232) have been detected in the studied samples with various specific activities mean values of 10.757±2.98, 4.141±1.14, and 1.120±0.31 Bq/Kg respectively. Several hazard indic...
卡尔巴拉省肉牛和骨牛样本的活性浓度和辐射危害
所有生物都暴露在空气、水和土壤中的自然辐射中。由于辐射通过水传播到用它灌溉的植物,或通过种植它的土壤,或两者同时传播,以及从植物到动物,从植物和动物到人类,因为人类是肉类消费者,我们研究了牛肉的天然放射性,在本地和进口的牛产品样本(肉,骨头和内脏)中进行了测量。样本是从卡尔巴拉省的不同市场和地区收集的。采用3“x3”晶体探测器的伽马射线谱仪(NaI (Tl))测量放射性核素的比活度,并计算辐射危害指数。三种天然放射性核素;研究样品中检测到k-40、Bi-214(U-238)和Ti-208(Th-232),其比活度平均值分别为10.757±2.98、4.141±1.14和1.120±0.31 Bq/Kg。还根据在每个样品中测量的具体活动计算了若干危害指数;镭当量活度(Raeq)、内危害指数(Hin)、γ指数(Iγ)、α指数(Iα)、吸收剂量率(Dγ)、年有效剂量(Eff剂量)、年性腺剂量当量(AGDE)。所有这些结果都低于(科委会,2000年)给出的建议值。所有生物都暴露在空气、水和土壤中的自然辐射中。由于辐射通过水传播到用它灌溉的植物,或通过种植它的土壤,或两者同时传播,以及从植物到动物,从植物和动物到人类,因为人类是肉类消费者,我们研究了牛肉的天然放射性,在本地和进口的牛产品样本(肉,骨头和内脏)中进行了测量。样本是从卡尔巴拉省的不同市场和地区收集的。采用3“x3”晶体探测器的伽马射线谱仪(NaI (Tl))测量放射性核素的比活度,并计算辐射危害指数。三种天然放射性核素;研究样品中检测到k-40、Bi-214(U-238)和Ti-208(Th-232),其比活度平均值分别为10.757±2.98、4.141±1.14和1.120±0.31 Bq/Kg。几个危险指标…
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