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PENGARUH VARIASI KONSENTRASI LARUTAN NaAlO2 TERHADAP JENIS ZEOLIT SINTETIS DARI ABU DASAR BATUBARA DENGAN METODE PELEBURAN ALKALI HIDROTERMAL

Authors: Rahmatul, Hanifah;

PENGARUH VARIASI KONSENTRASI LARUTAN NaAlO2 TERHADAP JENIS ZEOLIT SINTETIS DARI ABU DASAR BATUBARA DENGAN METODE PELEBURAN ALKALI HIDROTERMAL

Abstract

Telah dilakukan sintesis zeolit dari abu dasar batubara menggunakan metode peleburan alkali hidrotermal dengan variasi konsentrasi NaAlO2.Variasi konsentrasi NaAlO2 yang digunakan adalah 2,5 M (Z1), 2 M (Z2), 1,5 M (Z3), dan 1 M (Z4). Abu dasar dan NaOH dilebur selama 3 jam pada suhu 750 C. Sampel kemudian dipanaskan melalui proses hidrotermal dengan medium kristalisasi NaAlO2, Kemudian sampel dinetralkan dengan aquades hingga mencapai pH 9-10. Karakterisasi sampel yang dilakukan meliputi karakterisai jenis zeolit menggunakan XRD dan pengukuran konduktivitas listrik menggunakan LCR-meter. Hasil karaterisasi menggunakan XRD menunjukkan bahwa zeolit yang terbentuk pada sampel Z1, Z2, dan Z3 berupa zeolit jenis sodalit dan pada sampel Z4 zeolit jenis sodalit, nosean, dan megakalsilit. Kemurnian sodalit paling tinggi diperoleh pada sampel Z3, yaitu 73 %. Nilai konduktivitas listrik yang dihasilkan berkisar dari 0,3 x 10-6 – 1,06 x 10-6 S/cm dan berada pada rentang bahan semikonduktor. Zeolit pada sampel Z4 mempunyai konduktivitas listrik tertinggi yaitu 1,06 x 10-6 S/cm. Kata kunci : zeolit, abu dasar, alkali hidrotermal, sodalit, konduktivitas listrik

Country
Indonesia
Keywords

QC Physics

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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