Search Results - "Umaningrum, Dewi"

Adsorption of Congo Red onto Humic Acid Isolated from Peat Soil Gambut Regency, South Kalimantan by Umaningrum, Dewi, Nurmasari, Radna, Santoso, Uripto Trisno, Astuti, Maria Dewi, Pradita, Hapsari Tyas

“…Humic acid is one of the green materials for wastewater treatment including for removal dyes as an adsorbent. Humic acid was isolated from peat soil, Gambut…”
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The Coated-Wire Ion-Selective Electrode (CWISE) of Tartrazine Using Chitosan as an Ionophore by Umaningrum, Dewi, Nurmasari, Radna, Hasnah, Siti, Astuti, Maria Dewi, Wardhani, Kiki Amalia, Qalby, Shofia

“…Research on the Ion-Selective Electrode (ISE) of coated wire-type tartrazine using chitosan as an ionophore has been developed. The variables used in the…”
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Perbandingan Metode Potensiometri dan Spektrofotometri pada Penentuan Formalin by Umaningrum, Dewi, Nurmasari, Radna, Astuti, Maria Dewi, Mulyasuryani, Ani, Mardiana, Diah

“…Penelitian tentang penentuan formalin menggunakan metode potensiometri dan spektrofotometri telah dilakukan. Tujuan dari penelitian ini adalah untuk…”
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IMMOBILIZATION OF HUMIC ACID ONTO CHITOSAN USING TOSYLATION METHOD WITH 1,4-BUTANEDIOL AS A SPACER ARM by Santoso, Uripto Trisno, Nurmasari, Radna, Umaningrum, Dewi, Santosa, Sri Juari, Rusdiarso, Bambang, Siswanta, Dwi

“…Immobilization of humic acid (HA) onto chitosan using tosylation method with 1,4-butanediol as a spacer arm has been evaluated. Chitosan was phthaloylated…”
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ADSORPTION KINETICS OF Pb(II), Cd(II) AND Cr(III) ON ADSORBENT PRODUCED BY PROTECTED-CROSSLINKING OF HUMIC ACID-CHITOSAN by Umaningrum, Dewi, Santoso, Uripto Trisno, Nurmasari, Radna, Yunus, Rahmat

“…Study on adsorption kinetics of of Pb(II), Cd(II) and Cr(III) on adsorbent which was produced by protected-crosslinking of humic acid-chitosan has been done…”
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IMMOBILIZATION OF HUMIC ACID ON CHITOSAN BEADS BY PROTECTED CROSS-LINKING METHOD AND ITS APPLICATION AS SORBENT FOR Pb(II) by Nurmasari, Radna, Santoso, Uripto Trisno, Umaningrum, Dewi, Rohman, Taufiqur

“…Immobilization of humic acid (HA) on chitosan beads has been done using a protected cross-linking reaction method and the product was then utilized as sorbent…”
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IMMOBILIZATION OF HUMIC ACID ON CHITOSAN USING PROTECTED CROSS-LINKING REACTION METHOD AND ITS APPLICATION AS SORBENT FOR Pb(II), Cd(II), AND Cr(III) by Santoso, Uripto Trisno, Umaningrum, Dewi, Irawati, Utami, Nurmasari, Radna

“…Immobilization of humic acid (HA) on chitosan has been done by using a protected cross-linking reaction method and the product was then utilized as sorbent for…”
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Variation of Iodine Mass and Acetylation Time On Cellulose Acetate Synthesis From Rice Straw by Umaningrum, Dewi, Astuti, Maria Dewi, Nurmasari, Radna, Hasanuddin, Hasanuddin, Mulyasuryani, Ani, Mardiana, Diah

“…Cellulose acetate is a membrane material that can be used in the sensor field. One source of cellulose acetate is from rice straw. This study aimed to study…”
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Study of quinine hydrochloride detection using boron-doped diamond electrodes by Leoriza, Meutya Dwi, Sabriena, Nessa, Ramadhan, Muhammad Raihan, Tajalla, Gusti Umindya Nur, Umaningrum, Dewi, Ismail, Andi Idhil, Ogata, Genki, Einaga, Yasuaki, Triana, Yunita

“…This study investigates the electrochemical properties of quinine hydrochloride (QH) using boron-doped diamond (BDD) electrodes. The redox behavior of QH was…”
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Removal of Metanil Yellow and Tartrazine Using Chitosan As an Alternative Coagulant by Ariyani, Dahlena, Irawati, Utami, Umaningrum, Dewi, Abbas, Munaa Masyu, Raihana, Ihda

“…The textile industry is one of the industries that heavily uses dyes. Wastewater coming from these industries will have a negative impact on the environment if…”
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Synthesis of Chitosan-Coated Magnetic Microparticle Using Glutaraldehyde as Crosslinker and PEG as Spacer Arm and Its Application as Adsorbent of Peat Humic Acid by Uripto Trisno Santoso, Rodiansono Rodiansono, Budi Junaidi, Dewi Umaningrum

“…A simple procedure for synthesis of chitosan-coated magnetic microparticles (CMMP) using glutaraldehyde as a cross-linker and polyethylene glycol (PEG) as a…”
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Synthesis of Chitosan-Coated Magnetic Microparticle Using Glutaraldehyde as Crosslinker and PEG as Spacer Arm and Its Application as Adsorbent of Peat Humic Acid by Uripto Trisno Santoso, R. Rodiansono, Ahmad Budi Junaidi, Dewi Umaningrum

“…A simple procedure for synthesis of chitosan-coated magnetic microparticle (CMMP) using glutaraldehyde as a cross-linker and polyethylene glycol (PEG) as a…”
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Variation of Iodine Mass and Acetylation Time On Cellulose Acetate Synthesis From Rice Straw by Umaningrum, Dewi, Astuti, Maria Dewi, Nurmasari, Radna, Hasanuddin, Hasanuddin, Mulyasuryani, Ani, Mardiana, Diah

“…Cellulose acetate is a membrane material that can be used in the sensor field. One source of cellulose acetate is from rice straw. This study aimed to study…”
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