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All Journal Jurnal Periodic Jurusan Kimia UNP Jurnal Riset Kimia Jurnal Zarah Jurnal Penelitian Pendidikan IPA (JPPIPA) Al-Kimia ALCHEMY Jurnal Penelitian Kimia JURNAL PENDIDIKAN TAMBUSAI Jurnal Ilmiah Pendidikan Scholastic Global Conference Index Pelita Eksakta Indonesian Journal of Chemical Science and Technology CHEDS: Journal of Chemistry, Education, and Science Jurnal Pijar MIPA MASALIQ: Jurnal Pendidikan dan Sains International Journal of Innovation in Mechanical Engineering and Advanced Materials Ta'dib Jurnal Pendidikan MIPA
Budhi Oktavia
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Journal : MASALIQ: Jurnal Pendidikan dan Sains

 1 
Analisis Kadar Logam Fe pada Air Sungai Emas Kampar sesuai SNI 6989-84:2019 Alsa, Dzakma Putri; Oktavia, Budhi
MASALIQ Vol 5 No 4 (2025): JULI
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/masaliq.v5i4.6627

Abstract

This study is motivated by the critical importance of monitoring river water quality, particularly concerning heavy metal content such as iron (Fe), which poses potential risks to both human health and the environment. The objective of this research is to analyze the concentration of Fe in the water of the Kampar River using the Atomic Absorption Spectrophotometry (AAS) method. Water samples were collected from the Kampar River and subjected to a digestion process prior to measurement using AAS at a wavelength of 248.3 nm. The measurement results produced a calibration curve with a coefficient of determination (R²) of 0.9997, indicating a very strong linear relationship between concentration and absorbance. The analysis revealed that Fe concentrations in the samples ranged from 0.194 to 0.489 mg/L. While some samples exceeded the 0.3 mg/L threshold established by Government Regulation No. 82 of 2001 for Class II water quality, most remained within the permissible range. These findings demonstrate that the AAS method offers high sensitivity and accuracy in detecting Fe content in river water and can serve as a reliable tool for routine water quality monitoring.
Analisis BOD pada Limbah Industri: Perbandingan Kualitas Air di Inlet dan Outlet IPAL Faradila, Putwi Ayu; Oktavia, Budhi
MASALIQ Vol 5 No 5 (2025): SEPTEMBER
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/masaliq.v5i5.6938

Abstract

This study is motivated by the issue of declining water quality due to increasing demand that is not matched by optimal waste management. The objective of the research is to determine the Biochemical Oxygen Demand (BOD) levels in industrial wastewater by comparing the BOD concentrations at the inlet and outlet points of a wastewater treatment system. A quantitative approach was employed, using two samples obtained through purposive sampling. Data were collected through field observation and analyzed descriptively and quantitatively. The results show a decrease in BOD levels from 3.99 mg/L at the inlet to 3.41 mg/L at the outlet, indicating that the treatment process effectively improves wastewater quality. The main conclusion of the study is that lower BOD levels in a body of water reflect higher oxygen availability, resulting in better water quality that poses less risk to aquatic life and human users. The implications of this research contribute to the existing literature on industrial wastewater BOD analysis and offer recommendations for industries and policymakers to enhance the effectiveness of wastewater treatment systems and implement ongoing water quality monitoring policies. The study also opens opportunities for further research on innovative wastewater treatment technologies and analysis of other water quality parameters such as COD, TSS, and heavy metals.
Analisis Ion Nitrit (NO₂⁻) pada Aplikasi Silika Gel Termodifikasi GPTMS-DMA secara Kromatografi Hayati, Isra; Oktavia, Budhi
MASALIQ Vol 5 No 6 (2025): NOVEMBER
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/masaliq.v5i6.7526

Abstract

The limited research on the use of modified silica gel as a stationary phase in ion chromatography forms the basis of this study, particularly for the analysis of nitrite ions (NO₂⁻), which are toxic and pose risks to both human health and the environment. This study aims to apply glycidoxypropyltrimethoxysilane–dimethylamine (GPTMS–DMA) modified silica gel as a stationary phase in the analysis of nitrite ions. A quantitative experimental method was used, employing nitrite ion samples at concentrations of 100 ppm, 200 ppm, and 300 ppm. The analysis was conducted using a High Performance Liquid Chromatography (HPLC) system equipped with a UV detector and carbonate-based eluents consisting of Na₂CO₃ and NaHCO₃ at concentrations of 0.1 M, 0.05 M, and 0.01 M. The results showed that 0.1 M Na₂CO₃ produced the sharpest chromatogram peaks, highest intensity, and the most stable baseline. The resulting regression equation was y = 0.0093x + 0.1533 with a determination coefficient R² = 0.9939, indicating excellent linearity. The Limit of Detection (LOD) was 33.47 ppm, and the Limit of Quantification (LOQ) was 111.56 ppm, demonstrating adequate sensitivity. The study concludes that GPTMS–DMA silica gel effectively enhances the sensitivity and selectivity of nitrite ion analysis and shows strong potential for further development in the analysis of other inorganic ions.
Aplikasi Penggunaan Resin Silika Gel-GPTMS Termodifikasi Dimetilamina untuk Analisis Ion Klorida (Cl⁻) secara Kromatografi Ion Maharani, Siska; Oktavia, Budhi
MASALIQ Vol 5 No 6 (2025): NOVEMBER
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/masaliq.v5i6.7568

Abstract

The limited use of silica gel as an ion-exchange resin in ion chromatography columns forms the background of this study, despite its high potential as a stationary phase. This research aims to apply glycidoxypropyltrimethoxysilane–dimethylamine (GPTMS–DMA) modified silica gel as an ion-exchange resin in ion chromatography for the analysis of chloride ions (Cl⁻). A quantitative method was employed, using chloride ion concentrations of 100 ppm, 200 ppm, and 300 ppm. The analysis was conducted using High Performance Liquid Chromatography (HPLC) with a column packed with GPTMS–DMA silica gel and a mixed eluent of Na₂CO₃ and NaHCO₃ at concentrations of 0.1 M, 0.05 M, and 0.01 M. The results showed that 0.1 M Na₂CO₃ produced the most optimal chromatogram peaks, with a regression equation of y = 0.0004x and a determination coefficient R² = 0.9733, indicating high linearity. The study concludes that GPTMS–DMA modified silica gel is effective as a stationary phase for chloride ion analysis via ion chromatography and holds strong potential for further development as an ion-exchange resin in broader chemical analysis applications.
Penggunaan Silika Gel-GPTMS-DMA untuk Analisis Ion Bromida (Br⁻) secara Kromatografi Ion Wirza, Vitratul; Oktavia, Budhi
MASALIQ Vol 5 No 6 (2025): NOVEMBER
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/masaliq.v5i6.7589

Abstract

The limited research on the use of glycidoxypropyltrimethoxysilane–dimethylamine (GPTMS–DMA) modified silica gel as a stationary phase in ion chromatography serves as the background of this study, particularly in the context of bromide ion (Br⁻) analysis, which poses health risks due to its potential to form carcinogenic bromate compounds upon reacting with disinfectants. This study aims to evaluate the effectiveness of GPTMS–DMA modified silica gel as a stationary phase in ion chromatography columns for bromide ion separation. A quantitative experimental laboratory method was employed using bromide solutions at concentrations of 100 ppm, 200 ppm, and 300 ppm. Analysis was conducted using High Performance Liquid Chromatography (HPLC) equipped with a UV detector and eluents consisting of Na₂CO₃ and NaHCO₃ at concentrations of 0.1 M, 0.05 M, and 0.01 M. The results showed that the 0.1 M Na₂CO₃ eluent delivered the best performance, producing sharp chromatographic peaks, high intensity, and a stable baseline. The obtained regression equation was y = 0.0002x + 0.0807 with a determination coefficient R² > 0.9992, indicating excellent linearity. The Limit of Detection (LOD) was 12.28 ppm, and the Limit of Quantification (LOQ) was 40.93 ppm, demonstrating adequate sensitivity. The study concludes that GPTMS–DMA modified silica gel has high potential as an efficient and cost-effective alternative stationary phase for bromide ion separation. Its implications include theoretical contributions to the development of hybrid materials for ion separation and practical applications in producing more affordable ion chromatography columns. The research also opens opportunities for further studies on the separation of other inorganic ions using similar materials.
Perbandingan Metode Spektrofotometri dan ICP dalam Penentuan Kesadahan Air Syukro, Fahilatul; Oktavia, Budhi
MASALIQ Vol 5 No 6 (2025): NOVEMBER
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/masaliq.v5i6.7598

Abstract

Water is a vital resource whose quality must be ensured for safe consumption and industrial use. One critical parameter in assessing water quality is hardness, typically caused by the presence of calcium (Ca²⁺) and magnesium (Mg²⁺) ions. High levels of hardness can lead to negative effects such as scale formation on equipment, reduced efficiency of boilers and turbines, and potential health issues. This study aims to compare water hardness analysis results obtained using two instruments—Spectrophotometer DR 3900 and Inductively Coupled Plasma (ICP) Perkin Elmer 3800—to identify the strengths and limitations of each method. The research was conducted experimentally using soft water samples collected from boiler piping. Spectrophotometric analysis was based on the Lambert-Beer law by measuring absorbance after adding a complexing reagent, while ICP analysis involved nebulization of filtered and acidified samples using concentrated HNO₃. The results showed that the concentrations of Ca and Mg in the samples were below the hardness threshold (<1 ppm). The highest total hardness measured using the spectrophotometer was 0.524 ppm, while the highest value obtained via ICP was 0.652 ppm. Although both methods produced comparable data, ICP demonstrated superior sensitivity and accuracy, albeit with higher costs and procedural complexity. The study concludes that ICP is recommended for high-sensitivity hardness analysis, whereas the spectrophotometer is more suitable for routine, efficient, and cost-effective testing.
Optimasi Viscosity Reducer dalam Mitigasi Minyak Mentah yang Mengental dari Sumur X Yona, Nuzulia Rahma; Oktavia, Budhi
MASALIQ Vol 5 No 6 (2025): NOVEMBER
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/masaliq.v5i6.7611

Abstract

Crude oil from Well X contains both hydrocarbon and non-hydrocarbon components, and during its transportation from Field D to Port E, it encounters technical challenges due to wax formation at low temperatures. This wax formation increases the crude oil’s viscosity, complicating the pumping process and raising operational costs. This study aims to reduce the viscosity of crude oil by injecting a chemical viscosity reducer at various doses: 0 ppm, 500 ppm, 1000 ppm, 1500 ppm, and 2000 ppm. The method involved viscosity testing following the addition of the chemical viscosity reducer at each dose level. The results indicate that the optimal dose is 2000 ppm, which successfully reduces the average viscosity from 604 cP to 313 cP. This reduction is attributed to the interaction of non-polar compounds in the chemical viscosity reducer that dissolve wax and inhibit paraffin crystallization, as well as polar compounds that disperse asphaltene molecules. These findings demonstrate the effectiveness of chemical viscosity reducers in enhancing crude oil transport performance and operational efficiency, particularly under low-temperature environmental conditions.
Analisis Ion Magnesium (Mg²⁺) dengan Kromatografi menggunakan Silika Gel-GPTMS Termodifikasi Sulfonat sebagai Fasa Diam Ditasya, Hellena; Oktavia, Budhi
MASALIQ Vol 5 No 6 (2025): NOVEMBER
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/masaliq.v5i6.7641

Abstract

The limited number of studies on the use of modified silica gel as a stationary phase in ion chromatography, particularly for magnesium ion (Mg²⁺) analysis, forms the basis of this research. The primary objective is to modify silica gel with 3-glycidyloxypropyltrimethoxysilane (GPTMS) and sulfonate groups to develop a novel stationary phase selective for Mg²⁺ analysis. A quantitative experimental method was employed using Mg²⁺ samples at concentrations of 100, 200, and 300 ppm. Analysis was conducted using High-Performance Liquid Chromatography (HPLC) with two types of eluents: tartaric acid (0.05 M, 0.07 M, 0.09 M) and methanesulfonic acid (0.01 M). The results show that tartaric acid failed to produce distinct chromatographic peaks at all concentrations, likely due to its low ionic strength, which caused Mg²⁺ ions to remain strongly bound to the stationary phase, resulting in signal-to-noise (S/N) ratios below the quantification limit. In contrast, methanesulfonic acid generated sharp peaks with a retention time of 7.47 minutes, peak height of 53.68 mAU, and peak area of 4.42, indicating effective Mg²⁺ detection. These findings suggest that the high ionic strength of methanesulfonic acid makes it a more suitable eluent for silica gel GPTMS-sulfonate-based ion-exchange chromatography systems. The main conclusion of this study is that GPTMS-sulfonate silica gel exhibits high potential as a stationary phase for Mg²⁺ ion analysis using ion chromatography, with optimal performance when methanesulfonic acid is used as the eluent.
Co-Authors Afifi, Rayhanil Afrilia, Yoni Ahmad Fauzi Ali Amran Alizar Alizar, Alizar Alsa, Dzakma Putri Amalia Putri Lubis Ananda Putra Andreas Difa Andromeda Anggraini Mardhatillah, Leonyta Anisa Nahari Auzakiyah, Sabella Ayu Azizah Bahrizal Bahrizal Berlian, Syakhinah Burma, Resna Chindikia, Ilmy Deasy Liestianty Delfitri Delfitri Deni Marlina Desy Kurniawati Desy Kurniawati DESY KURNIAWATI Deva Indriyani Devita Efri Dewi Kristina Dipnorita Retno Ditasya, Hellena Dwi Agustini, Dwi Dwi Putri, Vika Trisna DWI RAMADHANI Edi Nasra Elvina Elvina Elvina Yulistia Erwan Fadhilatu Zikra Fajriah Azra Faradila, Putwi Ayu Faradina, Rela Fauzi, Ahmad Firmansyah Khairul Kamal Fitrah Mey Harmi Siregar Fitri Amelia Fitriningsih, Annisa Guspatni Guspatni Habibur Rahman Dafnaz Hafis, Muhamad Hainunnisa Syafitriza Hardeli Hardeli Hardeli Hardeli Hardeli Harmaiyani, Risky Harnas, Dolla Mulyana Hary Sanjaya Hary Sanjaya Hesty Parbuntari Ibrahim Rahmat Illa Ramadhani Indang Dewata Isra Hayati Kauri, Desrike Khairani - Khairani - Latisma Latisma Ma’a, Yustini Maharani, Siska Marthin, Emmilya Febri Masrid Pikoli Maulana, Febrina Mawardi Meri Novia Nurman Miftahul Khair Miftahul Khair Miftahurrahmi, Miftahurrahmi Minda Azhar Muhammad Amin Muhammad Farhan Mulia, Melindra Mutiara Oksyarni Nahdiah Amin Nilu Gussarsi Nizar, Umar Kalmar Nofri Yuhelman Nur Hafni Hasibuan Parbuntari, Hesty Patricia Helena Pebriani Pebriani Pernadi, Niza Lian Putra, Ananda Putri Fatimah Putri Permatasari, Putri Putri, Hanna Salwa Putri, Reza Athia Putri, Yunisa Anugrah Rahadian Zainul Rahardian Z Rahmi, Fathaniah Raviqa Randy Lesmana Putra Rani Sanjaya Reviana Ervita Riga, Riga Rini Anggraini Rita Sundari Rita Sundari Riva Silvia Romy Dwipa Yamesa Away Sabrina, Joya Sari, Trisna Kumala Septya Anggraini Setiowati, Fiqih Sekar Sherly Kasuma Warda Ningsih Sherly Kasuma Warda Ningsih Sintha Hafizhah Yonel Sri Benti Etika Sri Benti Etika Sri Teguh Priharti Suryelita . Syamsi Aini Syifa Rahma Ayunda Syukro, Fahilatul Takdib, Manajer Jurnal Tarmizi Tarmizi Tarmizi Tarmizi Trihanto Setiadi Ulianas, Alizar Umar Kalmar Nizar Umar Kalmar Nizar Usman Bakar Visca Alisia Arianti Vivi Chaniasi Warni Arfin Wirza, Vitratul Yani Puspita Yani Yanti, Desvila Ramadha Yerimadesi Yona, Nuzulia Rahma yuda pratama Yulia Mona Liza Yunisya, Dinda Yustini Ma’a Zulmariko