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All Journal Jurnal Kimia (Journal of Chemistry) Jurnal Ilmiah Pengabdian dan Inovasi
I Gede Darma Putra
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Agriculture, Biological Sciences & Forestry Humanities Chemistry Computer Science & IT Economics, Econometrics & Finance Social Sciences

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FRAKSINASI DAN BIOAVAILABILITAS LOGAM BERAT Fe DAN Mn PADA SEDIMEN DI PELABUHAN BENOA Emmy Sahara; Ida Ayu Gede Widihati; I Gede Darma Putra
Jurnal Kimia (Journal of Chemistry) Vol. 9, no. 1 Januari 2015
Publisher : Program Studi Kimia, FMIPA, Universitas Udayana (Program of Study in Chemistry, Faculty of Mathematics and Natural Sciences, Udayana University), Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (99.418 KB) | DOI: 10.24843/JCHEM.2015.v09.i01.p20

Abstract

A research on metal fractionation and bioavailability of Fe and Mn in sediments collected from the area of Benoa Bay at Bali has been carried out. The purpose of this study was to determine the fraction of Fe and Mn in the sediments and their bioavailabilities. Fractionations were achieved by the Sequential Extraction methods during which various solutions were employed. Measurement of the concentration of both metals was done by using Atomic Absorption Spectrofotometer with a calibration curve method. The concentrations of total Fe and Mn in the sediment obtained were of 668.2948 mg/kg and 321.5761 mg/kg, respectively. The results of Fe and Mn fractionations in sediments were as follow: the fraction of freely, leachable and exchangeable (EFLE) were of 27.74% and 24.31%, the fractions of Fe/Mn-oxides were of 23.55% and 19.99%, organic and sulfide fraction were of 25.14% and 26.11% while the resistant fraction were of 23,57% and 29,59%, respectively. It Therefore, the results showed that the bioavailable and the resistant fractions for Fe in the sediment were of 76.43% and 23,57%, respectively while for Mn were of 70.41% and 29,59%, respectively
Upaya Peningkatan Disiplin Kerja dalam Menunjang Produktivitas Kerja Karyawan di Levi’s Factory Outlet Store Teuku Umar Ni Made Dwi Puspitawati; Komang Tri Wahyuni; I Gede Darma Putra
Jurnal Ilmiah Pengabdian dan Inovasi Vol. 1 No. 2 (2022): Jurnal Ilmiah Pengabdian dan Inovasi (Desember)
Publisher : Insan Kreasi Media

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (560.551 KB) | DOI: 10.57248/jilpi.v1i2.23

Abstract

This community service activity is carried out with the aim that employees have high discipline, increase employee work productivity, increase employee confidence when serving and promoting products to potential customers. Several special activities were carried out in an effort to increase sales during the Covid-19 period, where these activities started from August 11 to September 17, 2022. Through this activity, it is hoped that employees will be able to improve work discipline in supporting work productivity so that this is expected to have an impact on increase in sales during the current Covid-19 pandemic. After an evaluation of the work program that has been implemented, an increase in the company's turnover has begun. Thus, continuous evaluation needs to be carried out for improvements that may be made by the company in order to achieve the company's goals.
Co-Authors Emmy Sahara I. A. Gede Widihati Komang Tri Wahyuni . Ni Made Dwi Puspitawati