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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

Unknown Affiliation

Author-ID : 337032

Religion Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Economics, Econometrics & Finance Education Energy Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Physics Social Sciences Other

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Aplikasi Teknik Kromatografi Ion pada Penentuan Kadar Mineral Mikro Kation (Na+, NH4+, K+, Mg2+, Ca2+, Ba2+, dan Sr2+) dan Anion (F-, Cl-, Br-, NO2-, NO3-, SO42–, dan PO43-) dalam Sampel Air Panas Bumi untuk Tujuan Balneoterapi Muhammad Amin; Budhi Oktavia
ALCHEMY Jurnal Penelitian Kimia Vol 16, No 2 (2020): September
Publisher : UNIVERSITAS SEBELAS MARET (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/alchemy.16.2.36210.171-178

Sebuah studi telah dilakukan untuk menentukan kadar mineral mikro kation dan anion dalam sampel air panas bumi dengan teknik kromatografi ion. Semua sampel yang dikumpulkan, berasal dari beberapa titik sumber air panas bumi di Jailolo, Provinsi Maluku Utara. Kromatografi ion telah dikenal sebagai metode analitik yang sangat populer digunakan untuk menentukan kadar anorganik kation dan anion dalam berbagai jenis sampel air. Metode deteksi kromatografi ion menggunakan sistem konduktivitas yang tidak tertekan dan tertekan dapat diterapkan pada masing-masing penentuan kadar mineral kation dan anion. Dalam penelitian ini, kromatografi ion dengan sistem konduktivitas tidak ditekan digunakan untuk penentuan 7 jenis kation seperti Na+, NH4+, K+, Mg2+, Ca2+, Ba2+, dan Sr2+, sedangkan kromatografi ion dengan sistem konduktivitas ditekan digunakan untuk penentuan 7 jenis anion seperti F-, Cl-, NO2-, Br-, NO3-, SO42-, dan PO43-. Pada kadar 2,5 mmol/L HNO3 dan kombinasi 6 mmol/L Na2CO3+0,5 mmol/L NaHCO3 digunakan sebagai fase gerak untuk masing-masing penentuan kadar mineral mikro kation dan anion.Application of Ion Chromatography Technique to the Determination of Micro Mineral Concentration of Cations (Na+, NH4+, K+, Mg2+, Ca2+, Ba2+, and Sr2+) and Anions (F-, Cl-, Br-, NO2-, NO3-, SO42–, and PO43-) in Geothermal Water Samples for Balneotherapy.A study was conducted to determine the micro mineral concentration of cations and anions in geothermal water samples by ion chromatography (IC) techniques. All the samples were collected at several sampling points in Jailolo district, North Maluku Province. IC has been known to be a very popular analytical method used to determine the concentration of cations and anions in various types of water samples. With non-suppressed and suppressed conductivity detection, IC systems can be applied for the determination of cations and anions, respectively. In this study, IC with a non-suppressed system was used for the determination of seven cations such as Na+, NH4+, K+ Mg2+, Ca2+, Ba2+, and Sr2+. Meanwhile,IC witha suppressed system was used for the determination of 7 anions such as F-, Cl-, NO2-, Br-, NO3-, SO42-, and PO43-. A solution of 2.5 mmol/L HNO3 and a combination of 6 mmol/L Na2CO3 and 0.5 mmol/L NaHCO3 were used as the eluent for the determination of mineral cations and anions, respectively.

Studi Perbanding Aktivitas Katalitik CaO Cangkang Telur Dengan Aktivasi Basa dan Asam Dalam Produksi Biodisel Randy Lesmana Putra; Budhi Oktavia; Sri Benti Etika; Suryelita Suryelita; Umar Kalmar Nizar; Rita Sundari
Jurnal Ilmiah Pendidikan Scholastic Vol 5 No 2 (2021): Jurnal Ilmiah Pendidikan Scholastic
Publisher : Fakultas Sastra Universitas Ekasakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36057/jips.v5i2.469

Studi perbandingan aktivitas katalitik dari katalis CaO yang disintesis dari cangkang telur ayam dengan aktivator asam dan basa telah dipelajari. Aktivasi dengan basa dilakukan dengan metode impregnasi yaitu dengan memasukkan CaO kedalam larutan KOH. Aktivasi asam dilakukan dengan membuat komposit CaO dan karbon serta disulfonasi dengan asam sulfat pekat. Katalis CaO yang dihasilkan diaplikasikan dalam produksi biodisel dari minyak jelantah. Aktivitas katalitik ditentukan melalui uji produk biodisel yang dihasilkan. Hasil menunjukkan bahwa katalis yang dimodifikasi melalui impregnasi basa memiliki aktivitas katalitik yang tinggi dalam mengkonversi minyak jelantah menjadi biodisel. Meskipun katalis CaO tanpa modifikasi memiliki nilai densitas, laju alir dan bilangan asam lebih baik dari CaO-A dan CaO-A/CS, kedua katalis ini masih bisa dioptimasi dalam preparasi dan aplikasinya sebagai katalis dalam produksi biodisel.

Optimasi Penyerapan Zat Warna Malachite Green Menggunakan Karbon Aktif dari Kulit Pisang Kepok (Musa balbisiana Colla) Sintha Hafizhah Yonel; Edi Nasra; Budhi Oktavia; Sri Benti Etika
Jurnal Periodic Jurusan Kimia UNP Vol 10, No 2 (2021): PERIODIC
Publisher : Departemen Kimia FMIPA UNP

Malachite green is a synthetic dye that is widely used in the textile industry. Textile industry waste that is not treated properly will pollute the aquatic environment. The threshold value for the permissible concentration of Malachite green in waters is around 0.01 mg/L. The adsorption method is an alternative method used to remove dyestuff waste. This study used a batch method which aims to determine the optimum conditions for absorption and the maximum absorption capacity of Malachite green using activated carbon from the peel of Kepok banana (Musa balbisiana Colla). In this study, treatments were carried out using variations in solution concentration and contact time. The results of this study, obtained the absorption capacity at optimum conditions concentration 150 mg/L and contact time 150 minutes with absorption capacity of 9.2429 mg /g with absorption percentage of 97.9734%. Mechanism the absorption of Malachite green follows the equation Langmuir isotherm with a determinant coefficient (R2) of 0,9989.

Penentuan Kondisi Optimum Penyerapan Anion Kromat Pada Silika Termodifikasi Dimetilamina Vivi Chaniasi; Budhi Oktavia; Indang Dewata; Ananda Putra
Jurnal Periodic Jurusan Kimia UNP Vol 11, No 2 (2022): PERIODIC
Publisher : Departemen Kimia FMIPA UNP

Heavy metal is the most dangerous was for the ecosystem because is not biodegradable, toxic, and carcinogenic even in a low concentration (ppm). It usually experienced some conditions such as not dissolved, precipitated, fused, absorbed, anorganic, reducer, oxidize, and free metal. One of the heavy metals that can cause negative effects for human and other living creature is Kromium Ion. The waste of the usage of Krom can damage the environment. Krom is a heavy metal that has dangerous affects that we have to be aware of. Krom (VI) on water was found 2 form od specieses, as an anion (Cr2O7)2- (In Acid solution) and anion (CrO4)2- (In Alkaline solution). One of the ways how to overcome Krom in a waste is by absorb it with an adsorbent, modified Silica DMA. It characterized with an electron microscope scanning, infrared spectrum, K2CrO4 adsorption from liquid solution which investigated in some pH level, contact time, K2CrO4 first concentration. The result of the experiment shows that modifying silica with DMA increases the adsorption capacity for Kromat. Langmuir Isotherm Adsorption resulting regression coefficient on Silica R2=0,8488, and for the modified Silica R2=0,9054. Kromat maximum adsorption capacity on 1,255 mg/g Silica and 2,26 mg/g modified Silica with first concentration of K2CrO4 100 mg/L can be reach on pH 2 with 90 minutes mixing process.

Analisis Kadar Asam Askorbat dan Asam Benzoat dalam Minuman Ringan dengan HPLC Menggunakan Fasa Gerak Metanol dan Buffer Asetat Rani Sanjaya; Budhi Oktavia; Bahrizal Bahrizal
Jurnal Periodic Jurusan Kimia UNP Vol 1, No 2 (2012)
Publisher : Departemen Kimia FMIPA UNP

Penelitian ini bertujuan untuk menentukan kondisi optimum untuk pemisahan dan penentuan kadar asam askorbat dan asam benzoat yang berperan sebagai pengawet dalam minuman ringan yang beredar di pasaran dan di lingkungan sekolah dengan menggunakan HPLC. Hasil penelitian menunjukkan bahwa kondisi optimum HPLC yang menggunakan fasa gerak metanol dan buffer asetat berada pada laju alir 1 ml/mnt, Kolom ODS C18, λ= 240 nm, pH buffer 3.5, dilakukan secara elusi gradien yang dimulai pada komposisi fasa gerak 5:95 hingga 50:50 selama 5 menit. Dari hasil uji kadar sampel minuman ringan yang dijual di lingkungan sekolah tidak ditemukan asam askorbat dan asam benzoat sebagai bahan pengawet, sedangkan untuk minuman ringan yang beredar di pasaran dari 5 sampel yang diuji ditemukan sampel yang mengandung asam benzoat yang melebihi batas maksimum yang diizinkan yang terdapat pada sampel C yaitu 676 ppm, sedangkan kadar yang diizinkan menurut SNI 01-0222-1995 untuk asam benzoat adalah 600 ppm, sedangkan untuk kandungan asam askorbat terbanyak terdapat pada sampel A yaitu 2869 ppm.

Pengaruh Penambahan Ekstrak Inulin Umbi Dahlia terhadap Karakteristik Organoleptik Sinbiotik Set Yoghurt Meri Novia Nurman; Minda Azhar; Fitri Amelia; Budhi Oktavia
Jurnal Periodic Jurusan Kimia UNP Vol 9, No 2 (2020): PERIODIC
Publisher : Departemen Kimia FMIPA UNP

Synbiotic set yoghurt with the addition of an extract of inulin from dahlia tubers can increase the functional value of yoghurt. This study aims to determine the effect of inulin addition on the organoleptic characteristics of synbiotic set yoghurt. The method of research was the experimentation method. Synbiotic set yoghurt with the addition of an extract of inulin from dahlia tubers made by variation of the concentrations of 0.1%, 0.3% and 0.5%. Incubation was performed at 37°C for 20 hours . The organoleptic tests were conducted by 15 panelists on the color, aroma and texture of set yoghurt. Organoleptic data was processed using Wilcoxon test with significant level 95% (α = 0.05). Organoleptic set yoghurt showed that the addition of 0.3% inulin significantly affect the aroma of the yoghurt sour and the texture was more dense than the yoghurt comparison. The color of the set yoghurt produced slightly more white than the set yoghurt comparison, but no significant effect on α = 0.05. The results showed that the addition of 0.3% inulin dahlia tuber extract into the set yoghurt had a significantly affect the aroma and the texture of set yoghurt, and did not significantly affect the color of set yoghurt.

KONDISI OPTIMUM PEMBENTUKAN KOMPLEKS ION LOGAM Cr(III) DAN Mn(II) DENGAN 8-HIDROKSIKUINOLIN MENGGUNAKAN SPEKTRONIK Mutiara Oksyarni; Budhi Oktavia
Jurnal Periodic Jurusan Kimia UNP Vol 8, No 1 (2019): PERIODIC
Publisher : Departemen Kimia FMIPA UNP

Industrial development will generate waste containing hazardous chemical substances one of heavy metal. Heavy metals are commonly used are chromium and manganese. Contamination of heavy metals in water is an environmental problem throughout the world because water is a source of life for all living beings .The purpose of this study is to look at the optimum condition of Cr(III) and the ion Mn(II) with oxine as a complexing agent for metal ion analysis using Spectronic. Determination of optimum conditions is to the optimum stirring time variation of the formation of complex compounds, variation the concentration and pH of the sample, then determination the time of stability of the formation of complex compounds. These results indicate that the complex compounds the Cr(III)-Oxinate and Mn(II)-Oxinate produce yellow complex. The optimum stirring time of complex formation of Cr(III)-Oxinate is 20 minutes with the optimum concentration of 20 ppm at optimum pH is pH 6 complex formation and stability of the complex at the time they reach the 40 minute. While Mn(II)-Oxinate have optimum stirring time 15 minutes with the optimum concentration of 15 ppm at optimum pH complex formation is pH 4 and reach a stability of the complex in the 45 minute.

Penentuan Kondisi Optimum Pembentukan Natrium Silikat (Na2SiO3) Menggunakan Material Dasar Silika Alam dan Natrium Hidroksida (NaOH) Illa Ramadhani; Budhi Oktavia; Ananda Putra; Hary Sanjaya
Jurnal Periodic Jurusan Kimia UNP Vol 10, No 2 (2021): PERIODIC
Publisher : Departemen Kimia FMIPA UNP

The purpose of this research are to investigate the effective synthesis of sodium silicate and knowing the optimum conditions of the sodium silicate from its solubility in water. Synthesis of sodium silicate was carried out by first activating silica using 1M HCl. The activated silica is then added with NaOH. Based on XRF analysis, it was found that the sodium silicate synthesis method is more effective at high temperatures. Determination of the optimum conditions was carried out at various concentrations of NaOH (2M, 3M, 4 M, 5M and 6M). Based on the research that has been done, the optimum conditions for sodium silicate were obtained by adding NaOH with a concentration of 4M.

KONDISI PEMBENTUKAN KOMPLEKS ION LOGAM KALSIUM DAN MAGNESIUM DENGAN OKSIN SEBAGAI PENGOMPLEKS Patricia Helena; Budhi Oktavia
Jurnal Periodic Jurusan Kimia UNP Vol 8, No 1 (2019): PERIODIC
Publisher : Departemen Kimia FMIPA UNP

8-Hydroxyquinoline or oxine is a complexing agent which can form complexes with all metal ions in the nonpolar state. Because of the ability of oxine to form metal-oxinate complexes, it is difficult to perform qualitative and quantitative analysis if one sample contains many metal ions. The purpose of this study is to obtain the optimum conditions for the formation of compounds of Ca-Oxinic and Mg-Oxinic complexes. The reaction between Ca2 + and Mg2+ ions forms a yellow chelate complex. The results of the study showed that the Ca-Oxinic complex compound gave maximum absorbance at a wavelength of 450 nm. The optimum concentration of Ca-oxynat complex formation was 15 ppm with optimum pH of Ca2+ 4 ion with stirring time for 20 minutes and achieving stability of complex formation in 45 minutes minutes. While the compound Mg-Oxinat complex provides maximum absorbance at a wavelength of 455 nm. The optimum concentration of the formation of Mg-oxinate complex was 20 ppm with the optimum pH of Mg2+ 4 ions with stirring time for 20 minutes and achieved the stability of complex formation in 40 minutes minutes.

Degradasi Asam Humat Dengan Katalis TiO2/N Menggunakan Cahaya Matahari Syifa Rahma Ayunda; Rahadian Zainul; Budhi Oktavia; Ananda Putra
Jurnal Periodic Jurusan Kimia UNP Vol 11, No 2 (2022): PERIODIC
Publisher : Departemen Kimia FMIPA UNP

Humic acid is a heterogeneous molecule of organic substance present in a peat water, which is carcinogenic is difficult to degrade. This study aims to degrade humic acid using the photocatalyst method is an environmentally friendly method. The photocatalyst used was TiO2 doped Nitrogen 8%. This study used reactor mobile hexagonal with variations in stirring speed, namely 500, 1000 rpm, and without stir with an irradiation time of 1 to 3 hours. Result of degradation analyzed using UV-Vis spectrophotometer. The degradation results obtained using strirring have a higher percentage of degradation than without strirring. The maximum degradation percentage obtained in this study was 76,27% with 500 rpm strirrings at 2 hours irradiation.

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 Maâ€™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 Maâ€™a Zulmariko

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