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Repositori Institusi
E-modul kimia Kelas XII: reaksi redoks
Reaksi Redoks adalah reaksi yang terjadi reduksi dan reaksi oksidasi. Reaksi yang didalamnya terjadi perpindahan elektron secara berurutan dari satu spesies kimia ke spesies kimia lainnya Bilangan oksidasi adalah angka yang menunjukkan jumlah elektro...
Jurnal Institusi
Cadmium Adsorption on Chitosan/Chlorella Biomass Sorbent Prepared by Ionic-Imprinting Technique
Indonesian Journal of Chemistry; Vol 15, No 2 (2015); 163-171
Ionic-Imprinted Chitosan/Chlorella biomass sorbent (IICCb) has been synthesized for selective adsorption of Cd(II) adsorption. IICCb was prepared by coating Cd(II)-complexed-chitosan hydrogel on the biomass surface followed by cross-linking procedure...
Jurnal Institusi
Synthesis of Fe Ionic-Imprinted Polyeugenol Using Polyethylene Glycol Diglycidilether as Cross-Linking Agent for Sorption of Fe(III)
Indonesian Journal of Chemistry; Vol 15, No 3 (2015); 305-314
Fe-Ionic Imprinted Polymer (IIP) from polyeugenol as base polymer and polyethylene glycol diglycidyl ether (PEGDE) as cross-linking agent had been synthesized to adsorb Fe(III) from aqueous media. The non-imprinting material (NIP) and polyeugenol wer...
Jurnal Institusi
Photocatalytic Decolorization Study of Methyl Orange by TiO2–Chitosan Nanocomposites
Indonesian Journal of Chemistry; Vol 14, No 3 (2014); 209-218
The photocatalytic decolorization of methyl orange (MO) by TiO2-chitosan nanocomposite has been studied. This study was started by synthesizing TiO2-chitosan nanocomposites using sol-gel method with various concentrations of Titanium(IV) isopropoxide...
Jurnal Institusi
Preparation of Citric Acid Crosslinked Chitosan/Poly(Vinyl Alcohol) Blend Membranes for Creatinine Transport
Indonesian Journal of Chemistry; Vol 16, No 2 (2016); 144-150
Preparation of membrane using crosslinking reaction between chitosan and citric acid showed that functional group modification increased the number of active carrier groups which lead to better transport capacity of the membrane. In addition, the sub...
Jurnal Institusi
Significance of Glucose Addition on Chitosan-Glycerophosphate Hydrogel Properties
Indonesian Journal of Chemistry; Vol 16, No 1 (2016); 65-71
Chitosan-glycerophosphate hydrogel can be used as dental scaffold due to its thermosensitivity, gelation performance at body temperature, suitable acidity for body condition, biocompatibility, and ability to provide good environment for cell prolifer...
Jurnal Institusi
Synthesis and Characterization of Chitosan- Alginate for Controlled Release of Isoniazid Drug
Indonesian Journal of Chemistry; Vol 15, No 1 (2015); 16-21
The aim of this research was to synthesize and characterize chitosan-calcium alginate as matrix isoniazid encapsulation to produce controlled release isoniazid drug. The microparticles were evaluated for surface morphology, functional groups, size pa...
Jurnal Institusi
Synthesis of Silver-Chitosan Nanocomposites Colloidal by Glucose as Reducing Agent
Indonesian Journal of Chemistry; Vol 15, No 1 (2015); 29-35
Silver-chitosan nanocomposites colloidal was successfully performed by chemical reduction method at room temperature using glucose as reducing agent, sodium hydroxide (NaOH) as accelerator reagent, silver nitrate (AgNO3) as metal precursor and chitos...
Jurnal Institusi
Synthesis and Characterization of Chitosan/Phosphotungstic Acid-Montmorillonite Modified by Silane for DMFC Membrane
Indonesian Journal of Chemistry; Vol 15, No 3 (2015); 218-225
Montmorillonite was functionalized by (3-glycidyloxypropyl) trimethoxy silane (GPTMS). Subsequently, chitosan (CS) membranes filled by GPTMS-modified montmorillonite particles were prepared and characterized by FTIR. The result of FTIR obtained the p...
Jurnal Institusi
Preparation and Pb(II) Adsorption Properties of Crosslinked Pectin-Carboxymethyl Chitosan Film
Indonesian Journal of Chemistry; Vol 15, No 3 (2015); 248-255
A modified pectin has been synthesized by reacting/combining -OH group among pectin and chitosan with BADGE (Bisphenol A diglycidyl ether) crosslinker agent. The structure and morphology of the new material were characterized by Fourier transform inf...
Jurnal Institusi
Adsorption of Ca(II), Mg(II), Zn(II), and Cd(II) on Chitosan Membrane Blended with Rice Hull Ash Silica and Polyethylene Glycol
Indonesian Journal of Chemistry; Vol 16, No 1 (2016); 45-52
In this research, chitosan based membrane blended with rice hull ash (RHA) silica and polyethylene glycol (PEG) has been applied as adsorbent of Ca(II), Mg(II), Zn(II) and Cd(II) in an aqueous solution. Membrane was synthesized by blending RHA silica...
Jurnal Institusi
Sorption Characteristics of 137Cs and 90Sr into Rembang and Sumedang Soils
Indonesian Journal of Chemistry; Vol 16, No 3 (2016); 277-282
In order to understand the sorption behavior of 137Cs and 90Sr into soil sample from Rembang and Subang, it is important to estimate the effect of contact time, ionic strength and concentration of metal ion in the solution. For this reason, the inter...
Jurnal Institusi
Preservation of Natural Colorant Extract of Jalawe Fruit Peel (Terminalia bellirica) in Water-Based Solution
Indonesian Journal of Chemistry; Vol 16, No 3 (2016); 315-321
The general objective of this study is to preserve natural colorant extract of jalawe fruit peel in water-based solution during storing. The specific objectives in this research are finding suitable type and amount of antimicrobial compound to preven...
Jurnal Institusi
Evaluation of Lagergren Kinetics Equation by Using Novel Kinetics Expression of Sorption of Zn2+ onto Horse Dung Humic Acid (HD-HA)
Indonesian Journal of Chemistry; Vol 16, No 3 (2016); 338-346
Extraction and purification of humic acid from dry horse dung powder (HD-HA) was performed successfully and the purified HD-HA was then applied as sorbent to adsorb Zn2+. Extraction and purification were performed based on procedure of Stevenson (199...
Jurnal Institusi
Precious Metals Supported on Alumina and Their Application for Catalytic Aqueous Phase Reforming of Glycerol
Indonesian Journal of Chemistry; Vol 15, No 3 (2015); 269-273
The high cost of Pt based catalyst for aqueous phase reforming (APR) reaction makes it advantageous to develop less cost of other metals for the same reaction. APR is hydrogen production process from biomass-derived source at mild condition near 500 ...
PubMed
Rational fabrication of a new ionic imprinted carboxymethyl chitosan-based sponge for efficient selective adsorption of Gd(iii)
RSC Adv
The selective recovery of Gd(iii) from wastewater is very meaningful for the prospective development of economics and the environment. To overcome disadvantages of poor adsorption capacity, low selectivity and complex preparation process in conventio...
PubMed
Investigations of Diclofenac Sorption on Intact and Modified Chlorella vulgaris Biomass with pH-Switchable Desorption
Int J Mol Sci
The growing interest in sustainable and structurally diverse sorbent materials has intensified the search for effective biosorbents that can complement or replace conventional adsorbents. This work presents the potential use of Chlorella vulgaris dri...
PubMed
Molecularly Imprinted Polymers Based on Chitosan for 2,4-Dichlorophenoxyacetic Acid Removal
Int J Mol Sci
The development of low-cost and eco-friendly materials for the removal of pollutants from water is one of the main modern challenges. For this purpose, molecularly imprinted polymers were prepared under optimized conditions starting from chitosan (CS...
PubMed
Cross-Linked Chitosan/Gelatin Beads Loaded with Chlorella vulgaris Microalgae/Zinc Oxide Nanoparticles for Adsorbing Carcinogenic Bisphenol-A Pollutant from Water
ACS Omega
[Image: see text] Water polluted by phenolic compounds is a global threat to health and the environment; accordingly, we prepared a green novel sorbent biological system from a chitosan (CS), gelatin (GT), and Chlorella vulgaris freshwater microalgae...
PubMed
Microalgae Chlorella vulgaris biomass harvesting by natural flocculant: effects on biomass sedimentation, spent medium recycling and lipid extraction
Biotechnol Biofuels
BACKGROUND: Microalgal biomass harvesting using traditional chemicals is costly for the production of biofuels, hindering the scale-up process of the technology. Thus, the search for a cost-effective microalgal harvesting method is extremely importan...
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