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All Journal Sainstek Unnes Journal of Public Health JUMANTIK: Jurnal Mahasiswa dan Peneliti Kesehatan
Mardjan Mardjan
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Education Public Health

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ANALISIS LOGAM-LOGAM PADA BATU APUNG DAN MODIFIKASINYA SERTA UJI ADSORPSINYA PADA LARUTAN ASAM ASETAT ., Zukria; Mardjan, Mardjan; Musa, Weny J.A
Sainstek VOL 06, NO 05, 2012
Publisher : Jurnal Sainstek

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Abstract

The study aims to analyze metal pregnancy in pumice and the modification with test adsorbtion to acetic acid. sample are taken from gorontalo city and kab. buol. at first sample menggrinding use uphand, then refined with mortal up to pass by sieve 100 mesh. Smoothing of both pumice modified with soaking in solution of HCl 1 M, 1 M H2SO4 and HNO3 1 M, the next made into pellets, calcined at 6000C. the metal pregnancy determination (Cr, Ca, Mg, Mn, and Fe) with Atomic Absorption Spectroscopy (AAS), Si and Al with technique gravimetric, with test adsorpsi solution with titration technique.The analysis showed levels of Si in Gorontalo and Buol pumice increased with immersion HNO3, and the smallest Al content in Gorontalo and Buol pumice with HNO3 immersion. The levels of metals (Cr, Ca, Mg, Mn, and Fe) on Buol's pumice increased with HCl immersion, and levels of metals (Cr, Ca, Mg, Mn, and Fe) in Gorontalo's pumice decreased by HCl immersion. Characterization results showed the two samples of pumice adsorb both modified and unmodified for acetic acid is very good.
Co-Authors Abduh Ridha Abrori, Abrori Anak Agung Gede Sugianthara Andri Dwi Hernawan Arpani, Arpani Carla R. Marchira Fuad, Chairul Hairunnisa Hairunnisa Indah Budiastutik Ismael Saleh Jauhari, Abdul Haris Karlina, Desi Latifah, Syarifah Linda Suwarni Louise, Robertus Richard M Taufik Mohammad Hakimi Morries, Rizky Frans Muhardiani, Muhardiani Nurazis, Dayang AK Spiridonova, Tiara Sufiati, Fitra Sawiyya Sufiati, Fitria Sawiyya Syarifah, Latifah Weny J.A Musa Yayi Suryo Prabandari Zukria .