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All Journal VALENSI Jurnal Bahan Alam Terbarukan Jurnal Matematika & Sains SEMIRATA 2015 REKAYASA PROSIDING SEMINAR KIMIA REPOSITORY KIMIA KOVALEN: Jurnal Riset Kimia Jurnal Kimia Mulawarman ALCHEMY Jurnal Penelitian Kimia Indonesian Journal of Chemistry JURNAL ATOMIK Chemistry Indonesian Journal of Chemical Research Molekul: Jurnal Ilmiah Kimia JURNAL KIMIA SAINTEK DAN PENDIDIKAN Molekul: Jurnal Ilmiah Kimia
Aman Sentosa Panggabean
Department Of Chemistry, FMIPA MUlawarman University-Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Education Electrical & Electronics Engineering Energy Engineering Environmental Science Materials Science & Nanotechnology Mathematics Physics

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Journal : PROSIDING SEMINAR KIMIA

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REVIEW ARTIKEL: BEBERAPA METODE MIKROENKAPSULASI ADSORBEN BERBASIS ALGINAT DAN APLIKASINYA UNTUK MENGHILANGKAN ION LOGAM DALAM LARUTAN BERAIR Farlianti, Resma Lita; Panggabean, Aman Sentosa; Lianasari, Ika Yekti
PROSIDING SEMINAR KIMIA Vol 3 No 2 (2025): Prosiding SNKT 2024
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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Abstract

Alginate is a natural polysaccharide consisting of mannuronic acid and guluronic acid connected via glycosidic bonds. Alginate has properties of biocompatibility, biodegradability, and reports in nature that make it attractive as a base material in microencapsulation applications. Microencapsulation is a technology used to coat active ingredients in small particles with the aim of increasing stability, solubility, and controlling the release of active substances. This article aims to review research results related to various methods of alginate microencapsulation as an adsorbent taken from several scientific articles. This literature review shows that encapsulation methods are divided into two categories, namely physical and chemical methods as well as several technologies such as coacervation, spray drying, extrusion, freeze drying and layer-by-layer coating. Alginate-based adsorbents, especially modified ones, show a better capacity to absorb heavy metals than pure alginate with adsorption capacities ranging from 0,025 mg/g to 416,67 mg/g. The adsorption efficiency is influenced by the physicochemical properties of the adsorbent and external conditions such as pH and metal ion concentration. With its various advantages, alginate-based microencapsulation has great potential for application in various industrial fields, especially in air purification, pharmaceuticals and nutrition. Keywords : Alginate, Microencapsulation, Adsorbent, Metal
REVIEW ARTICLE: PEMANFAATAN MIKROKAPSUL ALGINAT SEBAGAI ADSORBEN ION LOGAM Rumengan, Nur Khamillah; Panggabean, Aman Sentosa; P. Pasaribu, Subur; Lianasari, Ika Yekti
PROSIDING SEMINAR KIMIA Vol 3 No 2 (2025): Prosiding SNKT 2024
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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Abstract

A review article has been carried out on the use of alginate microcapsules as metal adsorbents. From the review of this article, it was found that metal pollution would harm the environment, so alginate microcapsules were made which have a carboxylic acid group, namely carboxyl which is able to bind with a metal. The metals that are adsorbed are Cd2+, Cu2+, Mn2+, Cr6+, Ni2+. The microcapsules reviewed in this article include Ca-Alginate-EDTA Microcapsules, Magnetite-Alginate Microcapsules (MNPs-ALG), Alginate and Alginate/ Montmorillonite Films, polyvinyl alcohol-Na-alginate Microcapsules, Ca-alginate-DMG. The aim of modifying alginate microcapsules is to increase the metal absorption capacity, metal absorption recovery and surface area of ​​each adsorbent. The way alginate microcapsules work is by exchanging unstable ions and the flow and stirring speed will affect the shape and size of the microcapsules. Slow stirring will produce microcapsules with a larger particle size because during the stirring process large droplets are formed. The absorption results obtained ranged from 84-119% and the adsorption capacity was 0.0301 - 185.95 mg/g. Keywords : Adsorption, Alginate, Metal Ions, Microcapsule
REVIEW ARTIKEL: PEMBUATAN DAN KARAKTERISASI MEMBRAN SELEKTIF ION TIPE KAWAT TERLAPIS Cahaya, Tentriati; Panggabean, Aman Sentosa; Arif, Moh. Syaiful
PROSIDING SEMINAR KIMIA Vol 3 No 2 (2025): Prosiding SNKT 2024
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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Industry in Indonesia is growing rapidly, causing an increase in waste including heavy metals and dyes that pollute waters. A method that can be used to detect these contaminants is the Coated Wire Type Ion Selective Electrode (ISE). ISE is an electrochemical sensor that is sensitive to ion activity, characterized by reversible potential changes. This method has the advantages of low cost, simple tools, and high selectivity. This study aims to compare membrane compositions to obtain optimal analytical results and examine electrode characteristics such as the price of the Nernst factor, linear concentration range, detection limit, response time, and life time. The results showed that variations in membrane composition affected electrode sensitivity and stability. This research is important for developing more efficient ISE for detecting heavy metals and dyes in polluted environments. Keywords : Ion Selective Electrode, Wire Coated, Potentiometry
ANALISA KADAR AMONIA DAN UJI LOGAM BERAT (Fe dan Mn) PADA AIR LIMBAH DOMESTIK Tentriati Cahaya; Aman Sentosa Panggabean; Moh Syaiful Arif
PROSIDING SEMINAR KIMIA Vol 4 No 1 (2025): Prosiding SNK 2025
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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A study entitled Analysis of Ammonia Levels and Heavy Metals (Fe and Mn) in Domestic Wastewater has been conducted. This research aimed to determine the concentrations of ammonia and heavy metals (Fe and Mn) in domestic wastewater from the drainage channel on Jalan H. M. Ardans (AL 1) and the wastewater treatment plant of PT. LAB (AL 2). Ammonia levels were analyzed using the phenate spectrophotometric method, while heavy metal concentrations (Fe and Mn) were determined using the Atomic Absorption Spectrophotometry (AAS) method. Based on the analysis results, ammonia levels were found to be 0.45 mg/L in AL 1 and 0.08 mg/L in AL 2. The concentration of iron (Fe) was 3.17 mg/L in AL 1 and 0.50 mg/L in AL 2. The concentration of manganese (Mn) was 15.07 mg/L in AL 1 and 0.30 mg/L in AL 2. The ammonia levels in both AL 1 and AL 2 complied with the quality standard of 10 mg/L. The Fe concentrations in AL 1 and AL 2 also met the quality standard of 5 mg/L. The Mn level in AL 2 met the quality standard of 2 mg/L, whereas the Mn level in AL 1 exceeded the permissible limit. Keywords: ammonia, iron (Fe), domestic wastewater, manganese (Mn)
Co-Authors -, Yasrin Adha, Laila Sufina Adhi Surya Pranata Surya Pranata Adhi Surya Pranata Surya Pranata, Adhi Surya Pranata Surya Adhitya Rinaldi Akhmad Rifani Akkas, Erwin Ali Murtopo Alimuddin Alimuddin - Alimuddin Alimuddin Alimuddin Alimuddin Alimuddin Alimuddin Alimuddin Alimuddin Alya Yuni Maulana Amrina Rosyada Anggun Ridha Avitri Ani Trisnawati Anwar, Adliah Arif, Moh. Syaiful Arifin Syam Surya arifin syam syam Az Zahra, Upi Fathimah Bagus Muliawan Bayu Iskandar Bohari - Bohari Bohari Bohari Bohari Bohari Yusuf Bohari Yusuf Buchari Buchari Buchari Buchari Budiono, May Cahaya, Tentriati Chairul Saleh Darmin - Darwin, Chepy Dirgarini Julia Nurlianta Subagyono Eka Apriska S Kusuma Erwin - Erwin Erwin Erwin Erwin Erwin Erwin Erwin Erwin Erzha, Nutfahryza Fadilah Ramadhani Farida Kristiana Farlianti, Resma Lita Fatimah Islamunisa Filus, Tio Fitriana, Mila Friscylia Friscylia Gaanty Pragas Maniam, Gaanty Pragas Hariati, Hariati Hariati, Hariati Harum Widyastuti Hening Ayu Marinda Hutagalung, Sandi Christopher Idris Mandang, Idris Irviansyah, Alfian Iskandar, Bayu Joni Rahman Josephine Josephine, Josephine Juntia Kirana Pratiwi Khasanah, Manja’a Kumalasari, Anisa Kurniasih, Ririn Feby Kusmiaty, Prilianda Leonardus Lewo Hayon Lianasari, Ika Yekti Lossi Hotmaida Simanjuntak Lumban Gaol Veronica Destiana M. Bachri Amran Manja’a Khasanah Margaretta D. R. N. S Marvin Horale Pasaribu May Budiono Mayang, Julia Agustin Menono, Fera Friskaneke Mila Fitriana Moh Syaiful Arif Muhammad Asfian Nur Muhammad Bachri Amran Muhammad Rizky Muhammad Robiansyah Nanang Tri Widodo Nanang Tri Widodo Nauval Dwi Fadillah Nazaratun Thaiyibah Noor Hindryawati Noor Hindryawati, Noor Nur, Nana Septiana Nurhasanah Nurhasanah Oktavia, Dwina Putri Oktaviani, Reka pakasi, Resy Prayuda, Adif Putri, Amelia Putri, Rinda Anisyah RAHMAT GUNAWAN Rahmat Gunawan Rani Novia Ulya Rida Awliyani Rientha Septiana Rika anggraini Rina Rina Ristia Asri Fidayana Rita Hairani Rudi Kartika, Rudi Rumengan, Nur Khamillah Sadijah Achmad Saepudin Suwarsa Saibun Sitorus Saibun Sitorus Sandi Christopher Hutagalung Sari, Ermalia Lintang Sari, Ika Yekti Liana Sari, Rahma Juwita Septiana, Rientha Shintia Alifah R Soerja Koesnarpadi Soerja Koesnarpadi Subagyono, Dirgarini Julia Nurlianti Subur P Pasaribu Sujito Sujito Teguh Wirawan Teguh Wirawan, Teguh Tentriati Cahaya Tika Widyastuti Tio Filus Trisnawati, Ani Victoria, Stefanie Willem Hendrik G Wirdhaningsih Wirdhaningsih Yasser Arafat Yulianti Kartika Yulieta, Afifah Nur Yusuf, Irfan Maulana