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Elemental characterization of Mt. Sinabung volcanic ash, Indonesia by Neutron Activation Analysis

Kusumartini, Indah and Syahfitri, Woro Yatu Niken and Lestiani, Diah Dwiana and Santoso, Muhayatun (2017) Elemental characterization of Mt. Sinabung volcanic ash, Indonesia by Neutron Activation Analysis. Journal of Physics: Conference Series, 860. pp. 1-10. ISSN 1742-6596

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Abstract

Mount Sinabung is a volcano located in North Sumatera, Indonesia which has been recorded not erupted since 1600. However in 2013 it has been erupted and cause of black thick smog, rain sand and volcanic ash. Volcanic ash containing trace elements material that can be utilized in various applications but still has potential danger of heavy metals. In order to obtain an elemental composition data of volcanic ash, the characterization of volcanic ash were carried out using Neutron Activation Analysis. The volcanic ash was taken from Mt. Sinabung eruption. Samples were irradiated at the rabbit system in the reactor G.A Siwabessy facilities with neutron flux ~ 1013 n.cm-2.s-1 and then counted using HPGe detector. Method validation was carried out by SRM NIST Coal Fly Ash 1633b and NIST 2711a Montana II Soil with recovery values were in the range of 96–108% and 95–106% respectively. The results showed that major elements; Al, Na, Ca and Fe, concentrations were 8.7, 1.05, 2.98 and 7.44 %, respectively, minor elements K, Mg, Mn, Ti, V and Zn were 0.87%, 0.78%, 0.18%, 0.62%, 197.13 ppm and 109.35 ppm, respectively, heavy metals; As, Cr, Co and Sb, contents were 4.48, 11.75, 17.13 and 0.35 ppm, respectively while rare earth elements such as Ce, Eu, La, Nd, Sm, Yb were 45.33, 1.22, 19.63, 20.34, 3.86, and 2.57 ppm respectively. The results of the elemental contents of volcanic ash that has been obtained can be used as the scientific based data for volcanic material utilization by considering the economic potential of elements contained and also the danger of the heavy metals content

Item Type: Article
Subjects: Keselamatan dan Keamanan Nuklir > Keselamatan Lingkungan > Keselamatan Radiasi Lingkungan
Keselamatan dan Keamanan Nuklir > Keselamatan Lingkungan > Analisis Mengenai Dampak Lingkungan
Divisions: Pusat Sains dan Teknologi Nuklir Terapan
Depositing User: user pstnt batan
Date Deposited: 17 May 2018 03:53
Last Modified: 17 May 2018 03:53
URI: http://repo-nkm.batan.go.id/id/eprint/1887

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