用分光光度计和污染指数评价原采石场基质中铬、镉和铅的浓度

Sharaf Musa Al-Tardeh, Amal Nooreldeen Abuirmeila, Hatim Salim, Ahd Mamood Mubarak, Moyasser Husam Abdin, Dana Hossam Abukhaled
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引用次数: 0

摘要

采石场被认为是巴勒斯坦国民经济发展的重要基石。但它们也对生态系统和生物资源产生不利影响。采石场残桩中重金属(铬、镉、铅)含量的测定是当前研究的主要目的。为此,使用样方法从巴勒斯坦希布伦省的四个不同地区收集了20个采石场残桩样本,然后使用紫外可见分光光度计和污染指数进行了量热评估。结果表明,树桩的Cr和Pb浓度分别低于国际标准(1 ~ 1000 mg/l和15 ~ 40 mg/l), Cd高于国际标准(0.2 mg/kg)。Cr和Pb含量分别为0.128 ~ 0.611 mg/L和0.125 ~ 0.779 mg/L。相反,希布伦省的Cd含量从0.362到8.572 mg/L不等。不知何故,这一水平的镉含量超出了国际标准所宣布的水平。此外,在希布伦省的选定地区,重金属含量似乎因地点而异。镉的危害在于其浓度高,铅的危害在于其毒性大。此外,根据PI Nemerow,这四个地区被认为是未受污染的,铬和铅是清洁的,但镉不是。总之,从重金属水平的角度来看,希布伦省的采石场工作仍然是安全的。但是,必须加强控制和限制,以减轻其对环境和健康的影响。此外,还需要更多的研究来评估其他重金属的发生及其对生物生命和环境问题的影响。作者要感谢Nancy Abed Alfatah Sayaarah在本研究中的技术支持和Monjed Samouh在统计分析方面的协助。此外,我们特别感谢正规采石行业在抽样过程中给予的富有成效的合作和协助。此外,还应感谢环境质量管理局/巴勒斯坦国向我们提供了关于希布伦省合法采石场的资料和文件。披露声明作者未报告潜在的利益冲突。补充材料本文的补充数据可在https://doi.org/10.1080/15320383.2023.2280852Additional信息网站上获得资助本工作由巴勒斯坦美国研究中心(PARC)以奖学金资助的形式提供支持。parc-us-pal.org/fellowship-program-for-palestinians/。
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Assessment of Chromium, Cadmium and Lead Concentrations in Former Quarries Substrates Using Spectrophotometer and Pollution Indices
ABSTRACTQuarries are regarded as crucial cornerstones of national economic development in Palestine. But they also have detrimental effects on the ecosystem and biological resources. Determination of the amount of heavy metals (chromium, cadmium, and lead) in quarries stumps is the main objective of the current research study. To accomplish this, 20 quarry stump samples were collected from four distinct regions of the Hebron Governorate in Palestine, using the quadrat method, and they were afterward calorimetrically assessed using a UV-visible spectrophotometer and pollution indices. The results reveal that the stumps possess Cr and Pb concentration below the international declared levels (1–1000 mg/l and 15–40 mg/l, respectively), while the Cd is above the declared level (0.2 mg/kg). The Cr and Pb content ranges from 0.128 to 0.611 mg/L and 0.125 to 0.779 mg/L, respectively. On contrary, the Cd contents varies from 0.362 to 8.572 mg/L in Hebron governorate. This level of Cd content, somehow, locate above their declared level by the international standards. In addition, the heavy metals content seems to be site-specific in the selected regions in Hebron governorate. The risk of cadmium is due to its high concentration, while the risk of Pb is because of its high toxicity. Moreover, the four regions are considered as uncontaminated and are clean based on PI Nemerow for Cr and Pb, but not for Cd. In conclusion, working on quarries in Hebron governorate is still safe from the levels of heavy metals point of view. However, more control and restriction must be implanted in order to mitigate its environmental and health consequences. Moreover, more research is needed to assess the occurrence of other heavy metals and their consequences on biological life and environmental issues.KEYWORDS: Chromiumheavy metalsleadnemerow indicespollution indicesquarriessoil AcknowledgmentsAuthors would like to acknowledge both of Nancy Abed Alfatah Sayaarah, for her technical assistance and Monjed Samouh for his statistical analysis assistant in this research study. In addition, we especially acknowledge the formal quarries industries for their fruitful cooperation and assistance during the sampling. Moreover, acknowledgement is also suited to Environmental Quality Authority/State of Palestine for their providing us with information and documents about the legal quarries in Hebron governorate.Disclosure statementNo potential conflict of interest was reported by the author(s).Supplementary materialSupplemental data for this article can be accessed online at https://doi.org/10.1080/15320383.2023.2280852Additional informationFundingThis work was supported by the Palestinian American Research Center (PARC) in the form of fellowship grant. parc-us-pal.org/fellowship-program-for-palestinians/.
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