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All Journal SAINSMAT Chemica: Jurnal Ilmiah Kimia dan Pendidikan Kimia Science and Technology Indonesia Indonesian Journal of Chemistry Jurnal Kartika Kimia Jambura Physics Journal Jambura Journal of Chemistry Fullerene Journal of Chemistry Jurnal Aisyah : Jurnal Ilmu Kesehatan PENGABDI: Jurnal Hasil Pengabdian Masyarakat Jurnal Dedikasi Jurnal Altifani Penelitian dan Pengabdian kepada Masyarakat Jurnal Ilmiah Berkala Sains dan Terapan Kimia Seminar Nasional Pengabdian Kepada Masyarakat INOVASI: Jurnal Hasil Pengabdian Masyarakat Indonesian Journal of Fundamental Sciences Venn: Journal of Sustainable Innovation on Education, Mathematics and Natural Sciences IPTEK: Jurnal Hasil Pengabdian kepada Masyarakat Seminar Nasional Hasil Penelitian LP2M UNM Ininnawa: Jurnal Pengabdian Masyarakat JIPI (Jurnal IPA dan Pembelajaran IPA) Journal Of Chemical Process Engineering Abdi Kimia : Jurnal Pengabdian Masyarakat SMART: Jurnal Pengabdian Kepada Masyarakat Hayyan Journal Mammiri: Jurnal Pengabdian Masyarakat Analit: Analytical And Environmental Chemistry Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam
Suriati Eka Putri
Universitas Negeri Makasar
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Fotodegradasi Zat Warna Rhodamin B Menggunakan Komposit Kitosan-Fe2O3 Rial Tangaran; Suriati Eka Putri; Hasri Hasri
Chemica: Jurnal Ilmiah Kimia dan Pendidikan Kimia Vol 24, No 1 (2023): CHEMICA
Publisher : Jurusan Kimia FMIPA UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (467.291 KB) | DOI: 10.35580/chemica.v24i1.46188

Abstract

Penelitian ini adalah penelitian eksperimen yang bertujuan untuk mengetahui kemampuan Kitosan-Fe2O3 dalam mendegradasi zat warna Rhodamin B. Tahapan penelitian terdiri dari sintesis komposit Kitosan-Fe2O3dengan metode impregnasi, karakterisasi komposit Kitosan-Fe2O3menggunakan XRD dan SEM serta uji fotodegradasi zat warna Rhodamin B. Fotodegradasi zat warna Rhodamin B dilakukan dengan variasi massa komposit, dan waktu radiasi. Pengukuran hasil degradasi zat warna Rhodamin B menggunakan Spektrofotometer UV-Vis pada panjang gelombang 555 nm. Komposit Kitosan-Fe2O3dikarakterisasi menggunakan instrumen XRD menunjukkan puncak khas pada 2θ = 24,54⁰; 33,52⁰; 54,39⁰; 57,90⁰; 62,74⁰; 64,34⁰;  dan 72,24⁰yang mengindikasikan adanya Fe2O3. Karakterisasi morfologi menggunakan instrumen SEM menunjukkan ukuran butir komposit yang beragam dan tersebar merata. Komposit Kitosan-Fe2O3mampu mendegradasi zat warna Rhodamin B dengan massa optimum 250 mg pada waktu radiasi 180 menit dengan presentase degradasi sebesar 54,23 %.
Uji Aktivitas Antimikroba Ekstrak Daun Crescentia cujete L terhadap Staphylococcus aureus, Escherichia coli dan Candida albicans Hartati Hartati; Irma Suryani; Suriati Eka Putri; Mutahharah Hasyim
Seminar Nasional LP2M UNM 2017
Publisher : Seminar Nasional LP2M UNM

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Abstract

Penelitian ini bertujuan untuk menguji aktivitas antimikroba ekstrak daun Crescentia cujete L terhadap Staphylococcua aureus, Escherichia coli dan Candida albicans. Metode maserasi telah digunakan untuk mengekstrak daun C.cujete L dengan menggunakan dua pelarut yaitu etanol 70% dan etil asetat. Hasil ekstrak selanjutnya dilakukan uji aktivitas antimikroba. Hasil ekstrak etanol daun C. cujete L diperoleh rendemen yang lebih yaitu 28,5% dibandingkan dengan ekstrak etil asetat 4,4%. Ekstrak daun C.cujete L memiliki aktivitas antimikroba karena dapat menghambat pertumbuhan S.aureus, E.coli dan C.albicans pada konsentrasi 10%. Kata kunci: Antimikroba, Crescentia cujete L, Staphylococcus aureus, Escherichia coli, Candida albicans
Pengaruh Konsentrasi Pati Singkong terhadap Kadar Besi(III)Oksida yang Terimpregnasi dalam Keramik Berpori Suriati Eka Putri; Diana Eka Pratiwi; Nita Magfirah Ilyas
Seminar Nasional LP2M UNM SEMINAR NASIONAL 2022 : PROSIDING EDISI 5
Publisher : Seminar Nasional LP2M UNM

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Abstract

Abstrak. Penelitian ini bertujuan untuk mengetahui pengaruh konsentrasi pati singkong yang bertindak sebagai binder terhadap kadar Fe2O3 yang terimpregnasi ke dalam keramik berpori. Sintesis keramik berpori yang digunakan adalah metode gelcasting menggunakan clay alam sebagai matriks dan pati singkong sebagai binder. Keramik berpori yang dihasilkan selanjutnya diaplikasikan sebagai penyangga katalis Fe2O3 yang diimpregnasi dengan metode coating sol-gel. Konsentrasi pati singkong yang digunakan adalah 2%, 4%, 6%, dan 8%. Analisis kandungan Fe2O3 pada keramik berpori menggunakan XRD dan dianalisis menggunakan Rietvield Refinement, adapun rata-rata ukuran kristal menggunakan persamaan Debye-Scherrer. Hasil yang diperoleh menunjukkan kadar katalis Fe2O3 terbanyak terdapat pada keramik berpori dengan konsentrasi pati singkong 4% sebanyak 20,9%, adapun rata-rata ukuran kristal terkecil terjadi pada konsentrasi pati singkong 6% yaitu sebesar 22,15 nm. Dengan demikian konsentrasi pati singkong berpengaruh terhadap jumlah katalis Fe2O3 yang terimpregnasi ke dalam keramik berpori. Kata Kunci: pati singkong, katalis Fe2O3, XRD
Pengaruh PVA terhadap kestabilan nanopartikel tembaga dari CuSO4 menggunakan bioreduktor kulit buah naga merah (Hylocereus costaricensis) Suriati Eka Putri; Achmad Fudhail; Rosmala Rauf
Seminar Nasional LP2M UNM Prosiding Edisi 4
Publisher : Seminar Nasional LP2M UNM

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Abstract

Has been done a research about synthesis of copper nanoparticles using CuSO4 and bioreductor of extract Hylocereus costaricensis skin. The aim of this study was to determine the influence of PVA towards the stability of copper nanoparticles. Copper nanoparticles are made through a reduction method. The bioreductor solution and precursor are mixed with volume variations 1: 1, 1: 2, 1: 3, and 1: 4. Copper nanoparticles that are. The highest chemical content of copper nanoparticles is Cu of 82.29%. The presence of fixed PVA affects the stability of naoparticles where without the addition of PVA copper nanoparticles form an aggregate and become unstable.
Pengaruh Konsentrasi Supernatan terhadap Ukuran Kristal Tunggal Kalsium TartratTetrahidrat pada Media Tumbuh Gel Metasilikat Sekam Padi Ramdani Ramdani; Suriati Eka Putri; Hardin Hardin
Seminar Nasional LP2M UNM 2017
Publisher : Seminar Nasional LP2M UNM

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Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh konsentrasi supernatan kristal tunggal kalsium tartrat tetrahidrat (CaTT) pada media tumbuh gel metasilikat sekam padi. Tahapan penelitian ini meliputi preparasi gel metasilikat, sintesis kristal CaTT dan karakterisasi. Abu sekam padi yang digunakan mengandung SiO2 sebesar 98,45% berpotensi untuk membentuk filtrat natrium silikat (Na2SiO3). Filtrat natrium silikat direaksikan dengan asam tartrat (C4H6O6) hingga menghasilkan gel metasilikat pH 5,25. Supernatan kalsium klorida (CaCl2) yang digunakan dengan variasi konsentrasi sebesar 0,25; 0,50; 0,75; 1,00; 1,25 M. Supernatan berdifusi ke dalam gel membentuk kristal CaTT berwarna putih jernih sebanyak 0,6335 g dengan ukuran 5 x 16,5 mm pada konsentrasi optimum 1,25 M
Perbedaan aktivitas antimikroba dari ekstrak etanol dan etil asetat daun kopi (Coffea canephora) Hartati Hartati; Suriati Eka Putri
Seminar Nasional LP2M UNM Prosiding Edisi 6
Publisher : Seminar Nasional LP2M UNM

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Abstract

Coffee leaves have been widely used traditionally as herbal medicines by the community. Coffee leaves contain active compounds that are efficacious for treating various types of diseases. Some research results show that coffee has antibacterial activity because of the presence of various active compounds such as flavonoids, phenols, alkaloids and saponins. The use of coffee leaves is still low and research is rare compared to seeds. So it is very important to study coffee leaves more deeply. Extraction of the content of the active compound in the coffee leaf besides being influenced by the extract process or method is also strongly influenced by the type of solvent used. In this study 2 different types of solvents will be used, namely 70% ethanol as polar solvents and ethyl acetate solvents as non-polar solvents. Polar solvents will retract / attract polar compounds while non- polar solvents will dissolve non-polar compounds. In this study, the maceration method will be used in the extraction process using 70% ethanol and ethyl acetate. The results showed that coffee ethanol extract had high antibacterial activity and antifungal activity compared to coffee ethyl acetate extract.
Formation of chitosan from black soldier fly (hermetia illucens) pupae using microwaves radiation energy Rachmawaty Rachmawaty; Sahribulan Sahribulan; Suriati Eka Putri; Widya Faramitha Arisma
Jurnal Aisyah : Jurnal Ilmu Kesehatan Vol 8, No 2: June 2023
Publisher : Universitas Aisyah Pringsewu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30604/jika.v8i3.2142

Abstract

This study aims to determine the effect of microwave radiation energy on the formation of chitosan from Black soldier fly pupae (Hermetia illucens). Microwave radiation Chitin isolation from BSF pupae was demineralized (HCl 5%, 45C) and deproteinated (NaOH 4%, 45C), then the transformation of chitin into chitosan (deacetylation) was carried out using microwave radiation with different powers, namely 240 watts, 400 watts, 560 watts and 800 watts with a radiation time of 5 minutes. Determination of the degree of deacetylation is determined by observing the spectrum produced using the infrared spectrophotometer (FTIR). The results showed that the degree of chitosan deacetylation produced on average was 61% at 240 watts; 400 watts at 63%; 560 watts by 66%; and 800 watts by 72%. Based on the research results, it can be concluded that microwave radiation energy affects the formation of chitosan in this case indicating that the higher the microwave radiation energy, the higher the degree of deacetylation of chitosan produced.Abstrak: Penelitian ini bertujuan untuk mengetahui pengaruh energi radiasi gelombang mikro terhadap pembentukan kitosan dari pupa Black soldier fly (Hermetia illucens). Radiasi gelombang mikro Isolasi Kitin selongsongan pupa BSF demineralisasi (HCl 5%, 45 C) dan deproteinasi (NaOH 4%, 45 C), selanjutnya transformasi kitin menjadi kitosan (deasetilasi) dilakukan dengan menggunakan radiasi gelombang mikro dengan daya yang berbeda-beda yaitu 240 watt, 400 watt, 560 watt dan 800 watt dengan waktu radiasi selama 5 menit. Penentuan derajat deasetilasi ditentukan dengan mengamati spektrum yang dihasilkan dengan menggunakan spektrofotometer inframerah (FTIR). Hasil pengamatan menunjukkan bahwa derajat deasetilasi kitosan yang dihasilkan rata-rata yaitu pada daya 240-watt sebesar 61%; 400 watt sebesar 63%; 560 watt sebesar 66%; dan 800 watt sebesar 72%. Berdasarkan hasil penelitian, dapat disimpulkan bahwa energi radiasi gelombang mikro berpengaruh terhadap pembentukan kitosan dalam hal ini menunjukkan bahwa semakin tinggi energi radiasi gelombang mikro semakin tinggi pula derajat deasetilasi kitosan yang dihasilkan.
The Effect Of Acid Treatment On The Characteristics Of Modernite Zeolite Sumiati Side; Suriati Eka Putri; Diana Eka Pratiwi; Aulia Rahma; Abd. Rahman
Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam Vol 12, No 2 (2023): September
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/sainsmat122511932023

Abstract

This work investigated the use of acid treatment on the characteristics of zeolite mineral. The effects of treating zeolite with various acid solutions hydrochloric acid (HCl) and sulfuric acid (H2SO4) were measured using x-ray fluorescence (XRF), x-ray diffraction (XRD), and scanning electron microscope (SEM). The results showed an increase in the percentage of SiO2 and Al2O3 after zeolite activation, and also a decrease in the amount of impurities. The crystalline phase of the zeolite was carried out using XRD analysis, indicating the type of zeolite used is modernite. The SiO2 phase in the sample is quartz, and the Al2O3 phase is corundum. The average crystal size decreased after activation, from 14.23 nm to 6.85 nm for HCl and 5.42 nm for H2SO4. Futhermore, the surface morphology of all zeolite samples has a form of irregular spherical surface, and the surface size of the particles after activation shows a smaller particle shape. The results of this study are expected to become recommendations for further research related to natural zeolite pretreatment as a catalyst support.
Effect of Sintering Temperature on the Microstructure Behavior of Gelcasted Porous Ceramics Using Cassava Starch as Pore Template Suriati Eka Putri; Diana Eka Pratiwi; Rachmat Triandi Tjahjanto; Nita Magfirah Ilyas; Dahlang Tahir; Abd Rahman; Heryanto Heryanto
Indonesian Journal of Chemistry Vol 23, No 5 (2023)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.78875

Abstract

The gelcasting technique was employed to fabricate porous ceramics utilizing kaolinite clay as the base material with a combination of 20 wt.% cassava starch. The utilization of cassava starch as a pore-template material is a sustainable and eco-friendly approach. The dry mixture compacted pellets underwent calcination for 2 h at three distinct sintering temperatures, namely 900, 1000, and 1100 °C. The present study investigated the impact of sintering temperatures on various ceramic properties, including but not limited to porosity, hardness, crystallinity, lattice strain, and morphology. Furthermore, an increase in sintering temperature led to a reduction in crystallinity of the ceramic material from 81.71 to 78.06%, while the lattice strain increased, as determined by the full width at half maximum peak diffraction calculation. The study determined that the pore size remained microporous (21 Å) across all temperature treatments. Ultimately, a porous ceramic material was fabricated, exhibiting a porosity of 39.44% by volume and a desirable hardness of 94 HB. The optimal sintering temperature for this material was found to be 900 °C. The anticipated application of the porous ceramic, which has taken on a pellet shape, is as a catalyst support for wastewater filtration in the future.
Pengaruh pH Awal Larutan dan Massa Komposit Zeolit-PbO terhadap Fotodegradasi Zat Warna Congo-Red Aulia Rahma; Suriati Eka Putri; Muhammad Syahrir; Nita Magfirah Ilyas; Sumiati Side
Chemica: Jurnal Ilmiah Kimia dan Pendidikan Kimia Vol 24, No 2 (2023): CHEMICA
Publisher : Jurusan Kimia FMIPA UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/chemica.v24i2.56096

Abstract

ABSTRAKTujuan dari penelitian ini adalah untuk mengetahui morfologi komposit zeolit-PbO, pengaruh pH awal larutan dan massa komposit zeolit-PbO dalam mendegradasi zat warna congo red (CR). Penelitian ini merupakan penelitian eksperimen dengan tahapan yakni aktivasi zeolit, sintesis komposit zeolit-PbO dengan metode impregnasi, analisis morfologi zeolit-PbO menggunakan instrumen SEM-EDX, serta penentuan pH awal larutan dan massa komposit zeolit-PbO dalam mendegradasi zat warna CR menggunakan instrumen UV-Vis. Hasil penelitian menunjukkan morfologi zeolit yang menggumpal dengan adanya PbO yang tersebar secara acak. Komposit zeolit-PbO mampu mendegradasi zat warna CR yang diradiasi dengan sinar UV dengan pH awal larutan pada pH 5 dan massa optimum komposit zeolit-PbO yaitu 300 mg dengan persentase degradasi sebesar 93,36%.Kata Kunci:  Fotodegradasi, Komposit, Congo RedABSTRACTThe purpose of this study was to determine the morphology of the zeolite-PbO composite, the effect of the initial pH of the solution and the mass of the zeolite-PbO composite in degrading the congo red (CR) dye. This research is an experimental research with the stages of zeolite activation, synthesis of zeolite-PbO composite by impregnation method, morphological analysis of zeolite-PbO using SEM-EDX instrument, and determination of initial pH of solution and mass of zeolite-PbO composite in degrading CR dyes using UV-Vis instrument. The results showed that the zeolite morphology was agglomerated in the presence of randomly dispersed PbO. The zeolite-PbO composite was able to degrade CR dyes irradiated with UV light with an initial pH of the solution at pH 5 and the optimum mass of the zeolite-PbO composite was 300 mg with a degradation percentage of 93.36%.Key Words:  Photodegradation, Composite, Congo Red
Co-Authors A. Irma Suryani Abd Rahman Abd Rahman Abd Rahman Abd Rahman Abd. Rahman Abd. Rahman Abd. Rahman Abd. Rahman Abd. Rahman Abdul Karim Abdul Rahman Achmad Fudhail Ahmad Fudhail Majid Ahmad Fudhail  Majid Ahyar Ahmad Ahyar Ahmad Ahyar Ahmad Alimin Alimin Alimin Alimin Alimin Andi Erwin Eka Putra Andi Indra Wulan Sari Ramadani Angriyani Ahmad Anita Anita Anwar, Fadil Arfah, Rugaiyah Andi Astri Wiyani GM Astriana Dewi Aulia Rahma Aulia Rahma Bunyamin, Andi Bulqiah Nur Dahlang Tahir daya, Nurhidaya Dewi Rahmadani Dewi Rahmadani Dewiyanti Fadly Diana Eka Pratiwi Diana Eka Pratiwi Diana Eka Pratiwi Diana Eka Pratiwi Diana Eka Pratiwi Diana Eka Pratiwi Diana Eka Putri Dipo Ade Putra Iskandar Djangi, Muh. Jasri Elfira Jumrah Elfira Jumrah Ganing, Melani Hapzi Ali Hardin hardin hardin Harningsih Karim Harningsih Karim Hartati Hartati Hartati, Hartati Hasnah Natsir Hasri Hasri Hasri Hasri Hasri Hasri Hasri Hasri Hasri Hasri Hasri Hasri Umas Heryanto Heryanto Ilyas, Nita Magfirah Ilyas, Nita Maghfirah Indah Raya Irfandi, Rizal Isna Sejati Sam Isna Sejati Syam Juintan Pratiwi Jusniar Magfirah Ilyas, Nita Marlina Ummas Genisa Maryono Maryono Maryono Maryono Maryono Mazaya, Maulida Mega Putri Aulia Miftahul Jannah Mohammad wijaya Mohammad Wijaya Mohammad WIJAYA Muhammad Danial Muhammad Ilham Wardhana Haeruddin Muhammad Iskandar Musa Muhammad Iskandar Musa Muhammad Nur Alam Muhammad Syahrir Muhammad Taufiq Munawwarah Munawwarah Munawwarah Munawwarah Munawwarah, Munawwarah Musdalifah Musdalifah Mutahharah Hasyim, Mutahharah Negara, Satria Putra Jaya Netti Herawati Nilasari Nilasari Nilasari Nilasari Nilasari, Nilasari Nita Magfirah Ilyas Nita Magfirah Ilyas Nita Magfirah Ilyas Nita Magfirah Ilyas Nita Magfirah Ilyas Nita Magfirah Ilyas Nur Afni Nur Riska Nurfadilah Adam Nursafitri Nursafitri Paulina Taba Paulina Taba Pince Salempa Rachmat Triandi Tjahjanto Rachmat Triandi Tjahjanto Rachmawaty, Rachmawaty Rahim, Mega Putri Aulia Ramadani, Ananda Ramdani Ramdani Ramdani Ramdani Ria, Tiara Anugrah Rial Tangaran Riksfardini Annisa ERMAWAR Rini Perdana Rini Perdana Rismawati Rismawati Rismawati Rismawati Rosmala Rauf Sahribulan Sahribulan Sarlan, Sarlan Satria Putra Jaya Satria Putra Jaya Shoira Shukurovna Abdiyeva SITI HALIMAH LAREKENG, SITI HALIMAH Sitti Faika Sri Diana Sudding Suleman, Annisa Inayah Sumiati Side Sumiati Side Sumiati Side Sumiati Side Sumiati Side Sumiati Side Sumiati Side Sumiati Side Susilo Sudarman Desa Syafaatullah, Achmad Qodim Syamsidah Tiara Anugrah Ria Widya Faramitha Arisma Wijaya, Khalida Yunanda FR Yunanda Yunanda Zakinah, Ilmiati Zubair, Sakinah