Berihu Teshale Mesfin, Abraha Gebrekidan Asgedom, Mekonen Tirfu Zekarias, Tesfamariam Teklu Gebretsadik, Amanual Hadera Tesfay, Bart Van der Bruggen
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引用次数: 0
摘要
本研究旨在评估埃塞俄比亚提格雷州塞梅马市饮用水中的氟含量及其对健康的影响。研究人员于二月、三月和四月从三个潜在的泉水水源(即 May Atkaru、May Sensela 和 May Liham)采集了水样。通过双光束紫外可见分光光度计、原子吸收分光光度计和滴定法,采用标准的 APHA 程序对每个样本进行了包括氟在内的各种理化参数分析。除硬度(345.78-368.35 毫克/升)和碱度(231.3-354.6 毫克/升)外,所有测得的理化参数均低于世界卫生组织规定的饮用水允许限值。五月阿特卡鲁(4.00 毫克/升)和五月森塞拉(3.89 毫克/升)中的氟含量明显高于世界卫生组织规定的饮用水允许限值(1.5 毫克/升)。此外,May Atkaru 和 May Sensela 的 HQ > 1 表明,无论年龄和性别如何变化,长期接触氟化物都可能导致牙齿和骨骼氟中毒。这证实了该地区牙齿斑驳的人很容易过量摄入氟,从而对健康造成危害。因此,需要立即采取干预措施,通过提高社区和政策制定者的认识,采用低成本的除氟方法,最大限度地减少饮用水中氟化物的有害影响。
Is the Tigray region, Ethiopia also affected by fluoride in drinking water affecting public health?
The purpose of this study was to assess the levels of fluoride in drinking water and its health impact in Semema, Tigray, Ethiopia. Water samples were collected in February, March and April from three potential spring water sources, namely May Atkaru, May Sensela and May Liham. Each sample was analyzed for a variety of physicochemical parameters including fluoride using standard APHA procedures through double beam UV-Visible spectrophotometer, atomic absorption spectrophotometer and titrimetric methods. All the measured physicochemical parameters except hardness (345.78-368.35 mg/L) and alkalinity (231.3-354.6 mg/L) were recorded below the WHO permissible limit set for drinking water. The amount of fluoride in May Atkaru (4.00 mg/L) and May Sensela (3.89 mg/L) was significantly greater than the WHO permissible limit set for drinking water, 1.5 mg/L. Moreover, HQ > 1 from May Atkaru and May Sensela revealed the possibility of dental and skeletal fluorosis over extended exposure to fluoride irrespective of age and sex variations. This confirmed people in the area with mottled teeth are vulnerable to the excessive consumption of fluoride, which poses health risks. Therefore, it needs immediate interventions to minimize the debilitating effect of fluoride in drinking water by creating awareness among the community and policymakers to introduce low-cost defluoridation methods.
期刊介绍:
Journal of Water and Health is a peer-reviewed journal devoted to the dissemination of information on the health implications and control of waterborne microorganisms and chemical substances in the broadest sense for developing and developed countries worldwide. This is to include microbial toxins, chemical quality and the aesthetic qualities of water.