S. Mutrofin
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View article: Solvent and Heating Duration Effects on the Formation of Local Pyrophyllite PEG-4000 Hybrid Materials
Solvent and Heating Duration Effects on the Formation of Local Pyrophyllite PEG-4000 Hybrid Materials Open
Hybrid materials are new materials formed by combining two or more components to produce enhanced and distinct properties from the individual constituents. One example is the hybrid system of pyrophyllite and PEG 4000. This hybrid ha…
View article: Comparative Study of Raw and Water Rinsed Loa Janan’s Bituminous Coal Structure
Comparative Study of Raw and Water Rinsed Loa Janan’s Bituminous Coal Structure Open
East Kalimantan’s Coal has total humidity level at 18.21%, inherent humidity of 12.39%, fly ash content of 5.18%, volatile compounds of 38.22% and heat content of 6084 kcal/kg. However, chemical composition, functional group and crystallin…
View article: The Effect of Magnetic Stirring Duration and Ascorbic Acid Concentration on the Yield of Reduced Graphene Oxide Isolated from East Kalimantan Bituminous Coal
The Effect of Magnetic Stirring Duration and Ascorbic Acid Concentration on the Yield of Reduced Graphene Oxide Isolated from East Kalimantan Bituminous Coal Open
East Kalimantan bituminous coal has a carbon composition of 70.24%, indicating a crystal structure of graphite layers. This makes it a viable material for creating reduced graphene oxide (r-GO), which has multiple advantages in various pro…
View article: The Effect of Sonication Duration and Citric Acid Concentration on The Yield of Reduced Graphene Oxide (r-GO) Isolated from East Kalimantan Bituminous Coal
The Effect of Sonication Duration and Citric Acid Concentration on The Yield of Reduced Graphene Oxide (r-GO) Isolated from East Kalimantan Bituminous Coal Open
Reduced graphene oxide (r-GO) is a derivative of graphene which has good electrical conductivity, so it can be used as a composite in the industrial sector. The manufacture of graphene oxide (GO) as the basic material for r-GO is carried o…
View article: Influence of sequential pyrolisis methods on the properties of the carbon nanostructure (CNS) from sugarcane leaf biomass
Influence of sequential pyrolisis methods on the properties of the carbon nanostructure (CNS) from sugarcane leaf biomass Open
Plant biomass is a potential lignocellulose material for synthesis of carbon nano structure. Its characteristics as adsorbent and its size particle make it good additive for liquid fertilizer. In this research, we study influence of sequen…
View article: Anion Effect and Ligand Preference in the Precipitation of Ni(II) Complex from Methanolic Solution: Case of Tartrate vs Pyrazine
Anion Effect and Ligand Preference in the Precipitation of Ni(II) Complex from Methanolic Solution: Case of Tartrate vs Pyrazine Open
This research aims to incorporate pyrazine in the synthesis of Ni(II)-tartrate-pyrazine metal organic frameworks or Ni(II)-T-P MOF as candidate of porous material. Synthesis of the targeted MOF was conducted at room temperature in a methan…
View article: Acid Isolation Techniques for Silica isolation from Rice Husk and Determination of Its Physicochemical Properties
Acid Isolation Techniques for Silica isolation from Rice Husk and Determination of Its Physicochemical Properties Open
Previous research showed that rice husk has a high silica content so it becomes an alternative for processing rice waste. The acid leaching method is a technique to isolate silica by adding an acid solution. The research aim is to obtain t…
View article: Synthesis of Patchouli Biomass Based Carbon Nano Material Using Two Different Pyrolisis Method
Synthesis of Patchouli Biomass Based Carbon Nano Material Using Two Different Pyrolisis Method Open
Carbon nanomaterial (CNM) is a potential material for many applications such as adsorbent, catalyst, additive of ceramic, electode, etc due to its characteristics.However different pyrolysis methods can affect its properties which affect i…
View article: Synthesis of MFe2O4/CNS (M = Zn, Ni, Mn) Composites Derived from Rice Husk by the Hydrothermal-Microwave Method for Remediation of Paddy Fields
Synthesis of MFe2O4/CNS (M = Zn, Ni, Mn) Composites Derived from Rice Husk by the Hydrothermal-Microwave Method for Remediation of Paddy Fields Open
In this research work, MFe2O4/CNS was prepared using the hydrothermal–microwave method. The influence of cations (M) toward functional groups of composites and their performance in pesticide degradation were studied. Rice husk was pyrolyze…
View article: Effect of grafting-intercalation combination toward delamination of kaoline
Effect of grafting-intercalation combination toward delamination of kaoline Open
Kaoline is one of natural clays. This layered mineral can be delaminated, i.e separation of layers of kaoline each other. To achieve the purpose, kaoline can be grafted or intercalated. In this research, kaoline was treated by both combina…
View article: Influence of pyrolysis method and nano sizing technique toward properties of ZnO/CNS composite from rice husk for remediation of contaminated Earth crust
Influence of pyrolysis method and nano sizing technique toward properties of ZnO/CNS composite from rice husk for remediation of contaminated Earth crust Open
Pesticide contamination is one of earth crust problems, especially for agriculture soil. Addition of nanocarbon into liquid fertilizer is solution to remediate the polluted paddy field by adsorption and natural microbial degradation. Nano …
View article: Improvement of Malang Tahu Quality Using Sweet Potato Natural Dyes by Adsorption Technology
Improvement of Malang Tahu Quality Using Sweet Potato Natural Dyes by Adsorption Technology Open
Tahu is a popular culinary product in Malang town. This product is produced from soyabean and rich of protein. Besides, tahu is also rich of water, so that surface of tahu tends to polar. Colorization of tahu by extract of yellow and sweet…
View article: Physical-chemistry of Nawangan’s phyropyllite and its prospective as environmental friendly geopolymer materials
Physical-chemistry of Nawangan’s phyropyllite and its prospective as environmental friendly geopolymer materials Open
The chemical composition and thermal behaviour of Nawangan-phyropyllite have been studied using XRF, powder XRD and FTIR. The fourier transfornation infrared was applied to analyze the phyropyllite after treating by calcinating at variuos …
View article: CCDC 611584: Experimental Crystal Structure Determination
CCDC 611584: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 611585: Experimental Crystal Structure Determination
CCDC 611585: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Segmentasi Citra menggunakan Support Vector Machine (SVM) dan Ellipsoid Region Search Strategy (ERSS) Arimoto Entropy berdasarkan Ciri Warna dan Tekstur
Segmentasi Citra menggunakan Support Vector Machine (SVM) dan Ellipsoid Region Search Strategy (ERSS) Arimoto Entropy berdasarkan Ciri Warna dan Tekstur Open
Abstrak
Segmentasi citra merupakan suatu metode penting dalam pengolahan citra digital yang bertujuan membagi citra menjadi beberapa region yang homogen berdasarkan kriteria kemiripan tertentu. Salah satu syarat utama yang harus dimiliki …