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View article: Studi Pemanfaatan Rumput Liar Pekarangan Rumah sebagai Bahan Baku Pembuatan Ekoenzim
Studi Pemanfaatan Rumput Liar Pekarangan Rumah sebagai Bahan Baku Pembuatan Ekoenzim Open
Wild grass is a plant that grows unwanted in certain areas such as fields, gardens, agricultural land and yards. This plant is generally discarded and rarely used. Based on the composition of the materials used in ecoenzymes, fresh wild gr…
View article: Fibrous Silica KCC-1 as a Platform for Mn-Based Dual Metal Oxide Adsorbents for CO2 Capture
Fibrous Silica KCC-1 as a Platform for Mn-Based Dual Metal Oxide Adsorbents for CO2 Capture Open
The continuous rise in atmospheric CO2 levels due to industrial emissions and fossil fuel combustion has intensified the need for efficient carbon capture. Solid adsorbents are favoured for their reusability and low energy demand, yet ofte…
View article: Flipped Classroom with Guided Inquiry on Buffer Solutions via Discord: A Study of Learning System Development
Flipped Classroom with Guided Inquiry on Buffer Solutions via Discord: A Study of Learning System Development Open
This research aims to design a flipped classroom learning system incorporating guided inquiry, using the Discord platform for buffer solution materials in Phase F. The study employed Plomp Educational Design Research framework, which compr…
View article: Optimasi Waktu Kalsinasi Karbon Aktif dari Bunga Cemara Laut (Casuarina equisetifolia) dalam Kombinasi dengan Bleaching Earth untuk Pemurnian Minyak Jelantah
Optimasi Waktu Kalsinasi Karbon Aktif dari Bunga Cemara Laut (Casuarina equisetifolia) dalam Kombinasi dengan Bleaching Earth untuk Pemurnian Minyak Jelantah Open
Used cooking oil is a byproduct of repeated frying processes that undergoes quality degradation due to continuous oxidation and heating, resulting in harmful compounds such as free fatty acids, peroxides, and polymers. This study aims to e…
View article: Peningkatan Pemurnian Minyak Jelantah melalui Sistem Adsorben Ganda: Bleaching Earth dan Karbon dari Kulit Buah Kakao (Theobroma cacao L)
Peningkatan Pemurnian Minyak Jelantah melalui Sistem Adsorben Ganda: Bleaching Earth dan Karbon dari Kulit Buah Kakao (Theobroma cacao L) Open
Used cooking oil (minyak jelantah) is a household and industrial waste product that poses environmental risks and undergoes significant quality degradation due to the breakdown of chemical compounds during repeated use. This study aims to …
View article: Pemanfaatan Karbon Aktif Daun Serai (Cymbopogon citratus) dan Bleaching Earth dalam Penjernihan Minyak Jelantah
Pemanfaatan Karbon Aktif Daun Serai (Cymbopogon citratus) dan Bleaching Earth dalam Penjernihan Minyak Jelantah Open
Used cooking oil is a household waste with the potential to pollute the environment and pose health risks if discarded improperly or reused without adequate treatment. This study aims to purify used cooking oil through a two-stage adsorpti…
View article: Enhancing Students’ Achievement in Chemical Equilibrium Through a Scientific Literacy-Integrated 7E Learning Cycle E-Module
Enhancing Students’ Achievement in Chemical Equilibrium Through a Scientific Literacy-Integrated 7E Learning Cycle E-Module Open
Scientific literacy is crucial in chemistry education, yet PISA results indicate that Indonesian students still struggle with abstract concepts like chemical equilibrium. To address this issue, this study developed a scientific literacy-in…
View article: Insight Into Water Adsorption and Dissociation on Ge <sub> <i>n</i> </sub> /hSi: A Density Functional Theory Study
Insight Into Water Adsorption and Dissociation on Ge <sub> <i>n</i> </sub> /hSi: A Density Functional Theory Study Open
We determined the H 2 O adsorption and dissociation on small Ge n clusters (where n = 4, …, 7) decorated on a hexagonal silicon monolayer (Ge n /hSi). All results reported were obtained using the density functional theory (DFT) method supp…
View article: Pengaruh Lebar dan Ketebalan Komposit C/CuO Berbasis Karbon Aktif Pelepah Kelapa Sawit Terhadap Karakteristik Material Termoelektrik
Pengaruh Lebar dan Ketebalan Komposit C/CuO Berbasis Karbon Aktif Pelepah Kelapa Sawit Terhadap Karakteristik Material Termoelektrik Open
-Electrical energy is energy that is really needed by humans, one way to save electrical energy is to use the thermoelectric method. Thermoelectric materials are materials that can convert heat energy into electrical energy through the See…
View article: PELATIHAN PENGGUNAAN LIVE WORSHEETS SEBAGAI LKPD INTERAKTIF DENGAN PENEKANAN PADA TIGA LEVEL REPRESENTASI KIMIA BAGI GURU KIMIA DI SMAN 1 LEMBAH GUMANTI DAN SMA DI KABUPATEN SOLOK BAGIAN SELATAN
PELATIHAN PENGGUNAAN LIVE WORSHEETS SEBAGAI LKPD INTERAKTIF DENGAN PENEKANAN PADA TIGA LEVEL REPRESENTASI KIMIA BAGI GURU KIMIA DI SMAN 1 LEMBAH GUMANTI DAN SMA DI KABUPATEN SOLOK BAGIAN SELATAN Open
SMA Negeri 1 Lembah Gumanti is one of the schools in Southern Solok Regency that’s actively spurring the development of its school by completing the infrastructure and quality of education for both students and teachers. ICT training espec…
View article: Development of The E-Module on Colloid System with Contextual Teaching and Learning (CTL) Oriented Toward Chemo-Entrepreneurship (CEP) to Enhance Students’ Critical Thinking Ability
Development of The E-Module on Colloid System with Contextual Teaching and Learning (CTL) Oriented Toward Chemo-Entrepreneurship (CEP) to Enhance Students’ Critical Thinking Ability Open
The high unemployment rate among high school graduates and the low critical thinking ability of high school students motivated the author to develop electronic teaching materials based on a contextual approach and oriented toward entrepren…
View article: Photopolymerization of product blending methyl methacrylate with reactive mesogen RM257 using the UV curing method
Photopolymerization of product blending methyl methacrylate with reactive mesogen RM257 using the UV curing method Open
Photopolymerization of product blending methyl methacrylate with reactive mesogen RM257 using the UV Curing method with time variations. UV radiation formed a new polymer by adding the Benzoyl Peroxide (BPO) initiator. Polymerization was c…
View article: Effect of Particle Size and Mass of Longan Peel (Euphoria Longan L.) as Adsorbent on The Adsorption of Rhodamine B and Methylene Blue Dyes Using the Column Method
Effect of Particle Size and Mass of Longan Peel (Euphoria Longan L.) as Adsorbent on The Adsorption of Rhodamine B and Methylene Blue Dyes Using the Column Method Open
Dyes are a mixture of organic compounds that are synthesized in complex forms and are often used in the process of coloring products in various types of industries, so that this complex structure will be difficult to decompose naturally. T…
View article: Learning System with Digital Literacy Based on Guided Inquiry Integrated Flipped Classroom Using Discord Application on Colloid
Learning System with Digital Literacy Based on Guided Inquiry Integrated Flipped Classroom Using Discord Application on Colloid Open
This research aims to produce an integrated flipped classroom learning system based on guided inquiry using Discord application on colloid material for first year students using the Plomp development model developed by Tjeerd Plomp. The re…
View article: Potensi Kulit Kacang Tanah (Arachis hypogaea) Sebagai Sumber Karbon Untuk Material Maju
Potensi Kulit Kacang Tanah (Arachis hypogaea) Sebagai Sumber Karbon Untuk Material Maju Open
Carbon material is one example of the development of advanced materials. Carbon is the result of the decomposition of an organic compound through an imperfect carbonization process. Carbon can be utilized from organic waste materials conta…
View article: Potensi Kulit Ubi Kayu (Manihot Esculenta) di Kecamatan Koto Xl Tarusan sebagai Sumber Karbon untuk Material Maju
Potensi Kulit Ubi Kayu (Manihot Esculenta) di Kecamatan Koto Xl Tarusan sebagai Sumber Karbon untuk Material Maju Open
The purpose of this research is the optimal carbonization temperature, to obtain economical, environmentally friendly and quality carbon from cassava peel waste. Cassava peel carbon is synthesized through a carbonization process. The metho…
View article: UTILIZATION OF AVOCADO SEED WASTE IN THE SYNTHESIS OF SULFONATED CARBON CATALYSTS USING CHLOROSULFONIC ACID FOR BIODIESEL PRODUCTION
UTILIZATION OF AVOCADO SEED WASTE IN THE SYNTHESIS OF SULFONATED CARBON CATALYSTS USING CHLOROSULFONIC ACID FOR BIODIESEL PRODUCTION Open
A series of sulfonated avocado seed carbon catalysts for biodiesel production was successfully synthesized.The carbonization of avocado seed has been varied at 300 o C, 400 o C, 500 o C, and 600 o C using nitrogen gas purging followed by s…
View article: A PHOTOCURABLE METHOD FOR COPPER(II) OXIDEDOPED POLYANILINE CONDUCTING POLYMER MEMBRANE SYNTHESIS
A PHOTOCURABLE METHOD FOR COPPER(II) OXIDEDOPED POLYANILINE CONDUCTING POLYMER MEMBRANE SYNTHESIS Open
The development of conductive polyaniline (PANI) membrane doped with copper(II) oxide (CuO) by means of the photopolymerization method has been successfully carried out.The photocurable PANI polymeric material was synthesized by mixing 0.0…
View article: Optimasi Adsorpsi Ion Logam Cu2+ dengan Menggunakan Cangkang Telur Ayam Ras
Optimasi Adsorpsi Ion Logam Cu2+ dengan Menggunakan Cangkang Telur Ayam Ras Open
adsorption is a method of waste treatment that has the potential to remove toxic heavy metals. One of the factors that influence the occurrence of the adsorption process is the presence of a biological material called a biosorbent. The ads…
View article: Three levels of chemical representation-integrated and structured inquiry-based reaction rate module: Its effect on students’ mental models
Three levels of chemical representation-integrated and structured inquiry-based reaction rate module: Its effect on students’ mental models Open
Previous studies showed that structured inquiry-based learning is suitable for novice learners, chemical multiple representations facilitate meaningful learning, and modules are organized and complete learning materials for students. Modul…
View article: Pengaruh Penambahan Cetyltrimethylammonium Bromide (CTAB) pada Silika dari Natrium Silikat (Na2SiO3)
Pengaruh Penambahan Cetyltrimethylammonium Bromide (CTAB) pada Silika dari Natrium Silikat (Na2SiO3) Open
Silica is a useful material in adsorption, electronics, mechanical, medical, art to other fields. In this study, Sodium silicate is used which can be used as a more economical precursor of silica as which is produced from natural silica. S…
View article: WATERMELON PEEL EXTRACT AS GREEN CORROSION INHIBITOR FOR ST-37 CARBON STEEL IN SEAWATER
WATERMELON PEEL EXTRACT AS GREEN CORROSION INHIBITOR FOR ST-37 CARBON STEEL IN SEAWATER Open
Corrosion engineering has taken great interest in many industries that required high cost management to overcome the serious problems. This work has investigated the role of watermelon peel extract as green inhibitor to protect carbon stee…
View article: Development of REACT-Based E-Module to Improve Students' Scientific Literacy Ability in Buffer Solution
Development of REACT-Based E-Module to Improve Students' Scientific Literacy Ability in Buffer Solution Open
The buffer solution e-module based on the REACT strategy (Relating, Experiencing, Applying, Collaborating, Transferring) has been developed and analysed for its validity and practicality levels to assist the learning process of students to…
View article: Development of Chemical Equilibrium E-Module Guided by 5E Instructional Model with Interactive Virtual Laboratory
Development of Chemical Equilibrium E-Module Guided by 5E Instructional Model with Interactive Virtual Laboratory Open
E-module is a form of electronic teaching material that can be used independently, with each learning activity connected by a link. 5E Instructional Model is a learning model that was developed based on constructivism learning, where stude…
View article: Utilization of Cassava Rich in Insoluble Fiber as an Alternative Prebiotic to Increase Family Immunity in Nagari Katapiang, Batang Anai District, Padang Pariaman Regency
Utilization of Cassava Rich in Insoluble Fiber as an Alternative Prebiotic to Increase Family Immunity in Nagari Katapiang, Batang Anai District, Padang Pariaman Regency Open
Cassava is widely available, even abundant in the Katapiang Urban Village, Batang Anai Sub-district. Unfortunately, society does not know the benefits of cassava as a prebiotic that is beneficial for family health. This community service a…
View article: Processing of Seafood Into Contemporary Food That Is Nutritious And Economically Valuable In Welcoming Ecotourism In Nagari Kurai Taji, Nan Sabaris District, Padang Pariaman Regency
Processing of Seafood Into Contemporary Food That Is Nutritious And Economically Valuable In Welcoming Ecotourism In Nagari Kurai Taji, Nan Sabaris District, Padang Pariaman Regency Open
Nagari Kurai Taji is located in Nan Sabaris District, Padang Pariaman Regency, West Sumatra Province. This area is inhabited by 9335 people, most of whom work as fishermen, traders and farmers. Kurai Taji community who work as fishermen us…
View article: Pengaruh Penambahan Prebiotik Inulin dari Chicory Terhadap Karakteristik Organoleptik Sinbiotik Set Yoghurt
Pengaruh Penambahan Prebiotik Inulin dari Chicory Terhadap Karakteristik Organoleptik Sinbiotik Set Yoghurt Open
Increasing the functional value of yogurt can be done by combining prebiotics with probiotics, known as yoghurt set synbiotics. This study aims to determine the effect of adding inulin chicory to the organoleptic synbiotic yoghurt set. Thi…
View article: Pembuatan dan Karakterisasi Karbon aktif dari Pelepah Kelapa Sawit dengan Aktivasi Ultrasonik sebagai Adsorben Rhodamin B
Pembuatan dan Karakterisasi Karbon aktif dari Pelepah Kelapa Sawit dengan Aktivasi Ultrasonik sebagai Adsorben Rhodamin B Open
The manufacture of activated carbon from oil palm frond waste using an ultrasonic wave activator has been successfully carried out. The carbonization process was carried out at a temperature of 250ºC for 90 minutes. Activation with ultraso…
View article: Simple Method to Produce Carbon from Cassava Peel by Calcination for Future Application
Simple Method to Produce Carbon from Cassava Peel by Calcination for Future Application Open
- and economic material. One of the benefit things is the processing of organic waste to produce carbon. This study has decomposed waste of cassava peel to yield carbon through calcinations. The process of carbonization has been conducted…
View article: Sintesis Mg2+ doped ZnO dengan penambahan albumen ayam ras menggunakan gabungan metode sol-gel dan sonokimia
Sintesis Mg2+ doped ZnO dengan penambahan albumen ayam ras menggunakan gabungan metode sol-gel dan sonokimia Open
Mg2+ doped ZnO has been successfully synthesized using a combination of sol-gel and sonochemical methods. Zinc acetate dihydrate was used as a precursor, magnesium chloride hexahydrate as a source of Mg dopant, methanol as a solvent, and c…