Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry


Qualitative and Quantitative Analysis of Heavy Metal and Mineral of Volcanic Ashmount Sinabung by Using Inductively Coupled Plasma (Icp-Oes)

Author(s): Zul Alfian, Emma Zaidar Nst, M Taufiq

The research to analyze the concentration of heavy metal and mineral of volcanic ash Mount Sinabung after eruption in July-August 2016 by using Inductively Coupled Plasma (ICP-OES) was conducted. Sampling was taken in two village s at surrounding Mount Sinabung, which is in Sigarang-garang and Sukandebi Provinsi Karo Sumatera Utara. Sampling was done by collecting volcanic ash which is located in the area affected farm population eruption of Mount Sinabung. Weighted 5 g of volcanic ash and added 5 ml of concentrated HNO3, after that added aquadest up to 50 ml and then heated for 2 h, cooled and then filtered with Whatmann filter paper. The extract obtained is then analyzed by ICP-OES Variant Liberty. Qualitative analysis of Sinabung volcanic ash was done by using X-ray diffraction (XRD) instrument and has obtained the results which consist of heavy metals and minerals are (Ca, Na) (Al, Si)2 Si2O8; (K, Ca, Na) (Al, Mg, Fe)2 (Si, Al)4 (OH);Ca Mn+2 Si2O6; PbO; CuO; ZnO. And, measured of concentration of heavy metals by using Inductively Coupled Plasma (ICP-OES) method, the results were Fe ± 136.5710 ppm, Mn ± 1.0799 ppm, Zn ± 0.2187 ppm, Pb ± 0.0120 ppm, Ca ± 36.3112 ppm, Al ± 4.7699 ppm, Na ± 4.4322 ppm. The presence of heavy metals, there are Al, Pb, Zn although with little concentration still need special attention, because of the eruption of Mount Sinabung continues over time.


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