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INDONESIA
JURNAL ATOMIK
Published by Universitas Mulawarman
ISSN : 25490052     EISSN : 25490052     DOI : -
Jurnal Atomik (JA) is published twice a year (March and August) by Department of Chemistry, Faculty of Mathematics and Natural Sciences, Mulawarman University. Jurnal Atomik is a media for graduate students of Department of Chemistry to publish their research articles in Chemistry field including Analytical Chemistry, Inorganic Chemistry, Physical Chemistry, Organic Chemistry, and Biochemistry. The research articles that be submitted to Jurnal Atomik have to be approved by Editorial Board and in accordance with the rules of writing approved by Editor of Jurnal Atomik.
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Articles 12 Documents
Search results for , issue "Vol 5 No 1 (2020)" : 12 Documents clear
REVIEW OF SECONDARY METABOLITES FROM SEVERAL UNCARIA PLANTS IN EAST KALIMANTAN -, Erwin
JURNAL ATOMIK Vol 5 No 1 (2020)
Publisher : Jurusan Kimia FMIPA UNMUL

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Abstract

Uncaria is a plant genus that is distributed mainly in tropical and subtropical areas. About 38 Uncaria species grow in the Asia Pacific region. Based on a literature study, it was found that five Uncaria species in the tropical rain forests of East Kalimantan. Several species of Uncaria have long been known and used in traditional medicine such as treating asthma, cancer, diabetes, rheumatism, neurodegenerative diseases, mouth sores, diarrhea and dysentery, sore throat, and gums. The content of secondary metabolites includes flavonoids, polyphenols, terpenoids, alkaloids, iridoids, and coumarin.
DECREASE THE LEVEL OF LINEAR ALKYLBENZENE SULFONATE (LAS) WITH USING RICE HUSK ASH Hidayah, Amala Nur; -, Alimuddin; Subagyono, RR Dirgarini Julia Nurlianti
JURNAL ATOMIK Vol 5 No 1 (2020)
Publisher : Jurusan Kimia FMIPA UNMUL

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Abstract

Penelitian tentang penurunan kadar linear alkylbenzene sulfonate (LAS) dalam limbah laundry menggunakan abu sekam padi telah dilakukan. Tujuan dari penelitian ini untuk mengetahui kinerja adsorpsi dari abu sekam padi dengan optimasi pH, berat, waktu kontak, konsentrasi dan kapasitas pada proses adsorpsi. Rendemen abu sekam padi yang diperoleh sebesar 28,58 %. Kondisi optimum penjerapan pada 2 mg/L linear alkylbenzene sulfonate (LAS) sebanyak 150 mL menggunakan 0,4 g abu sekam padi yaitu pada pH 5 dalam waktu 30 menit dengan kapasitas adsorpsi maksimum 3,894 mg/g. Hasil penurunan kadar LAS pada limbah laundry dari 1,8661 mg/L menjadi 0,465 mg/L ppm yaitu sebesar 75,013 %.

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