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PENGEMBANGAN LEMBAR KERJA PESERTA DIDIK BERBASIS PROBLEM BASED LEARNING PADA …
Penelitian pengembangan ini bertujuan untuk menghasilkan Lembar Kerja Peserta Didik (LKPD) berbasis Problem Based Learning (PBL) pada materi Hidrokarbon yang valid, praktis, dan efektif. Metode penelitian yang digunakan adalah Research and Development (R&D) dengan model 4D (Define, Design, Develop, Disseminate), yang dipadukan dengan model evaluasi Tessmer. Pengumpulan data dilakukan menggunaka…
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- xiv, 178 hlm.; ilus.; tab.; 29 cm.
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- T1940112026
ANALISIS KETERAMPILAN PROSES SAINS KELOMPOK MAHASISWA PADA PRAKTIKUM KIMIA AN…
Penelitian ini bertujuan untuk menganalisis Keterampilan Proses Sains kelompok mahasiswa pada praktikum kimia anorganik I pada materi Penetapan Kapasitas Penetralan Asam Tablet Antasida Dengan Titrasi Balik. Penelitian ini merupakan penelitian yang menggunakan metode penelitian kualitatif deskriptif, dengan pengambilan sampel dilakukan melalui teknik purposive sampling. Sampel dalam penelitian …
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- xvii, 131 hlm.; ilus.; tab.; 29 cm.
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- T1941162026
AKTIVITAS ANTIOKSIDAN DAN ANTIBAKTERI SERTA IDENTIFIKASI FRAKSI KROMATOGRAFI …
Temu ireng (Curcuma aeruginosa Roxb.) is a medicinal plant from the Zingiberaceae family that is widespread in South Asia and Southeast Asia and has been reported to have antibacterial, anticancer, and antioxidant activities, especially in the rhizome. However, information on the antioxidant and antibacterial activities of fraction and isolated compounds is still limited. This study aims to ass…
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- xvi, 50 hlm.; ilus.; tab.; 29 cm
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- T1942222026
UJI AKTIVITAS ANTIOKSIDAN DAN ANALISIS KANDUNGAN KIMIA DARI FRAKSI AKTIF BATA…
ABSTRACT : Lenglengan (Leucas lavandulifolia) belongs to the Lamiaceae family. L. lavandulifolia is traditionally used in the treatment of headaches, migraines, rheumatism, and diabetes. Information on the activity and chemical content of L. lavandulifolia stems is still limited. The purpose of this study was to determine the antioxidant activity and chemical content of the most active column f…
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- xv, 79 hlm.; ilus.; tab.; 29 cm.
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- T1941052026
OPTIMASI DAN KARAKTERISASI PRODUK HYDROCRACKING PIROLISIS TANDAN KOSONG KELAP…
Oil palm empty fruit bunches (EFB) are an abundant lignocellulosic waste in Indonesia with significant potential as a renewable energy source. However, the liquid product obtained from EFB pyrolysis still exhibits drawbacks, including high oxygen content and low stability, thus requiring further upgrading. One effective method to improve the quality of the liquid product is hydrocracking using …
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- xi, 29 hlm.; ilus.; tab.; 29 cm.
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- T1941062026
POTENSI PENGEMBANGAN KULIT RAMBUTAN (Nephelium lappaceum L.) MENJADI SEDIAAN …
Rambutan peel (Nephelium lappaceum L.) is an organic waste that has the potential to be used as a source of natural antioxidants due to its high phenolic and flavonoid content. This study aims to determine the total phenolic and flavonoid content, antioxidant activity, and quality characteristics of rambutan peel tea. Rambutan peel samples were dried, ground, and brewed using hot water at 90 °…
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- xvi, 158 hlm.; ilus.; tab.; 29 cm.
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- T1941582026
UJI AKTIVITAS ANTIOKSIDAN EKSTRAK AIR SIMPLISIA DAUN SUNGKAI (Peronema canesc…
Sungkai leaves (Peronema canescens Jack.) have potential as a raw material for herbal tea and as a natural source of antioxidants. This study aimed to determine the total phenolic and flavonoid contents, antioxidant activity, and quality parameters of sungkai leaf simplicia tea compared with gambir leaf tea, soursop leaf tea, and commercial tea. The samples were dried, ground, and brewed using …
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- xvii, 131 hlm.; ilus.; tab.; 29 cm.
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- T1941382026
PERBANDINGAN KINERJA MEA PADA PEMFC YANG DIBUAT DENGAN METODE CATALYST COATED…
This study evaluates the performance and durability of Membrane Electrode Assembly (MEA) in Proton Exchange Membrane Fuel Cell (PEMFC) fabricated via Catalyst Coated Substrate (CCS) and Decal Transfer Method (DTM) using Kapton and PTFE substrates. The fabrication technique significantly impacts the catalyst layer structure and electrochemical properties. Characterization through Cyclic Voltamme…
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- xvi, 158 hlm.; ilus.; tab.; 29 cm.
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- T1940012026
PEMBUATAN KATALIS Ni-Fe/C DENGAN KOMPOSISI BERVARIASI MENGGUNAKAN METODE BALL…
The increasing global energy demand and environmental impacts of fossil fuels have driven the development of clean and sustainable energy sources. Hydrogen is a promising alternative due to its environmentally friendly nature and significant potential in future energy systems. Hydrogen production through water electrolysis using Proton Exchange Membrane Water Electrolysis (PEMWE) is efficient a…
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- xvii, 131 hlm.; ilus.; tab.; 29 cm.
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- T1939472026
PENGARUH UKURAN BUTIR TERHADAP DISTRIBUSI REE DI PERAIRAN DENIANG DAN SEKITAR…
Penelitian ini bertujuan untuk menganalisis hubungan antara karakteristik ukuran butir sedimen dengan distribusi unsur tanah jarang (Rare Earth Elements/REE) pada sedimen dasar laut di Perairan Deniang, Kabupaten Bangka, Provinsi Kepulauan Bangka Belitung. Data yang digunakan berupa data ukuran butir sedimen dan data geokimia REE hasil analisis ICP-MS yang diperoleh dari Balai Besar Survei dan …
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- xiii, 80 hlm.; ilus.; tab.; 29 cm.
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- T1939702026
KARAKTERISASI FASIES HIDROKIMIA AIRTANAH GEOSITE DANAU RAYO, MUSI RAWAS UTARA…
Penelitian ini dilakukan di Danau Rayo, Kabupaten Musi Rawas Utara, Sumatera Selatan, dengan luas area 1,2 × 1,2 km yang bertujuan mengidentifikasi fasies hidrokimia dan mekanisme yang mengontrol evolusi. Metode yang digunakan meliputi pengambilan sampel air tanah dan air permukaan, pengukuran parameter fisika, serta analisis laboratorium terhadap ion utama. Interpretasi fasies hidrokimia meng…
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- xiii, 124 hlm.; ilus.; tab.; 29 cm.
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- T1937282026
PREPARASI DAN UJI MEKANISME ADSORPSI BERBASIS BIOMASSA Azolla microhpylla UNT…
Water pollution caused by synthetic dyes, such as Congo red (CR) and Methylene blue (MB), which are difficult to degrade, requires effective treatment methods. Adsorption is selected as an alternative due to its low cost and simplicity. Adsorption is a process in which molecules, ions, or atoms adhere to a surface. This study aims to evaluate the potential of Azolla microphylla (AM) biomass as …
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- ix, 86 hlm.; ilus.; 29 cm
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- T1909122025
PENGARUH AKTIVASI BENTONIT DENGAN METODE ASAM DAN KOMBINASI ASAM-TERMAL TERHA…
Pencemaran lingkungan oleh logam berat merupakan masalah besar yang tidak hanya berdampak pada makhluk hidup, tapi juga mengganggu keseimbangan ekosistem. Sebagai bahan pencemar yang tidak dapat dihancurkan atau dimusnahkan, logam berat sangat berbahaya karena akumulasi di alam dan dalam tubuh organisme. Adsorpsi merupakan metode pengolahan alternatif untuk air limbah dalam menghilangkan logam …
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- xv, 90 hlm.; ilus.; tab, 29 cm
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- T1892942025
PRODUKSI DAN APLIKASI BIOCHAR DARI LIMBAH KULIT KAYU Eucalyptus pellita SEBAG…
Produksi biochar merupakan salah satu pendekatan pengelolaan limbah biomassa yang banyak digunakan melalui proses pirolisis dan berpotensi dimanfaatkan sebagai amandemen tanah. Limbah kulit kayu Eucalyptus pellita yang digunakan dalam penelitian ini diperoleh dari industri pulp dan kertas di Muara Enim, Sumatera Selatan, Indonesia, digunakan sebagai bahan baku. Biochar diproduksi melalui proses…
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- xv, 185 hlm.; ilus.; tab, 29 cm
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- T1894432025
ANALISIS KEMAMPUAN BERPIKIR KRITIS PESERTA DIDIK DALAM MENYELESAIKAN SOAL HOT…
This study aims to analyze students' critical thinking abilities in solving Higher Order Thinking Skills (HOTS) questions on chemical bonding material and to identify the most dominant Ennis critical thinking indicators. The research was conducted at Srijaya Negara High School in Palembang during the 2025/2026 academic year, first semester, using a quantitative descriptive method. The research …
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- xvi, 107 hlm.; ilus.; 29 cm
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- T1920792026
ANALISIS KEMAMPUAN BERPIKIR KRITIS SISWA DALAM PENYELESAIAN SOAL HIGH ORDER T…
21st-century education demands mastery of critical thinking skills as part of higherorder thinking skills. The Merdeka Curriculum was introduced to meet this demand, but students' critical thinking abilities in solving HOTS questions have not been fully measured comprehensively. This study aims to analyze students' critical thinking abilities in solving HOTS questions on atomic structure materi…
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- xiv, 165 hlm.; ilus.; 29 cm
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- T1920822026
EVALUASI IN SILICO POTENSI ANTIOKSIDAN SENYAWA AKTIF DALAM EKSTRAK BUAH BIT (…
Stres oksidatif berperan penting dalam patogenesis berbagai penyakit degeneratif melalui pembentukan radikal bebas. Buah bit (Beta vulgaris) diketahui mengandung senyawa bioaktif yang berpotensi sebagai antioksidan alami. Penelitian ini bertujuan untuk mengeksplorasi potensi senyawa aktif dalam ekstrak metanol buah bit sebagai inhibitor enzim pembentuk radikal bebas melalui pendekatan molecular…
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- xv, 42 hlm.; ilus.; 29 cm
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- T1920342026
SINTESIS DAN KARAKTERISASI Zn-TEREFTALAT MOF SEBAGAI KATALIS PADA PEMBUATAN B…
This study aims to synthesize and characterize Zn–Terephthalate MOF as a bifunctional heterogeneous catalyst for biodiesel production from waste cooking oil. The material was synthesized via a solvothermal method with variations in the precursor ratio of Zn(NO₃)₂·6H₂O to terephthalic acid (1:2, 1:1, and 2:1) to evaluate the effect of metal–ligand composition on structural properties …
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- xiv, 165 hlm.; ilus.; 29 cm
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- T1917982025
SINTESIS KOMPOSIT CMC-POLIAKRILAMIDA-CoFe2O4 UNTUK ADSORPSI LOGAM Pb (II) DAN…
Pb(II) merupakan salah satu logam yang berbahaya dan dapat memicu berbagai masalah kesehatan kronis. Paparan logam Pb (II) dapat merusak sistem saraf dan kekebalan tubuh manusia, serta menyebabkan kerusakan permanen pada organ tubuh dapat merusak DNA manusia, sehingga berdampak negatif pada kesehatan. Untuk mengatasi hal tersebut, penelitian ini dilakukan untuk mengembangkan komposit CMC-Poliak…
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- xvii, 84 hlm.; ilus.; 29 cm
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- T1921852026
PENGEMBANGAN LKPD BERBASIS PROJECT BASED LEARNING (PJBL) PADA MATERI KOLOID
This study aims to develop Student Worksheets (LKPD) based on Project Based Learning (PjBL) on colloid material that meets valid and practical criteria. This research employed a research and development (R&D) approach using the 4D development model, which consists of four main stages: Define, Design, Develop, and Disseminate. The research subjects were involved 11th grade students of SMAN 1 Par…
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- iv, 95 hlm.; ilus.; 29 cm
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- T1920772025
PENGEMBANGAN MODUL PEMODELAN FENOMENA KENAIKAN TITIK DIDIH AIR LAUT SECARA MA…
In learning colligative properties, students often view chemistry and mathematics as two separate disciplines, so that mathematics is only used as a calculation tool to solve quantitative problems. As a result, they tend to memorize formulas without understanding the meaning of the concepts and find it difficult to connect the two disciplines in a meaningful way. Engagement in science and mathe…
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- xviii, 103 hlm.; ilus.; tab.; 29 cm.
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- T1927082026
KADAR TIMBAL (Pb) PADA TANAH ANDISOL YANG DITANAMI SAWI PUTIH (Brassica rapa …
The lead (Pb) concentration in andisol soil cultivated with Chinese cabbage (Brassica rapa pekinensis L.) in Talang Pasai Village, Pagar Alam, South Sumatra was analyzed to identify factors influencing its accumulation in agricultural land. The study applied a detailed soil survey method at a scale of 1:2,000 using purposive sampling. Soil samples were collected from five observation points, ea…
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- xiv, IV-2 hlm.; ilus.; tab.; 29 cm.
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- T1916042025
PRA RANCANGAN PABRIK AMONIUM SULFAT DARI PHOSPHOGYPSUM
The ammonium sulfate plant with a production capacity of 250,000 tons/year is planned to be established in 2035 in Gresik Regency, East Java Province, which is estimated to have an area of 10 hectares. The raw materials are Phosphogypsum (Calcium Dihydrate) and Ammonium Carbonate. The process occurs in a Continuous Stirred Tank Reactor, at a temperature of 45 oC and a pressure of 1 atm. This fa…
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- xix, 183 hlm.; ilus.; tab.; 29 cm.
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- T1912472026
PRA RANCANGAN PABRIK ETILEN DARI ETANA DENGAN PROSES DEHIDROGENASI STEAM CRAC…
An ethylene manufacturing plant with a capacity of 400,000 tons/year is planned to operate in 2029 in Sukatani District, Purwakarta Regency, West Java Province, which is estimated to have an area of 65 ha. The manufacturing process of this compound refers to patent number US12215072B2. The raw material used is ethane. The reaction occurs in a single reactor of the furnace reactor type box heate…
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- xvi, 145 hlm.; ilus.; tab.; 29 cm.
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- T1914422026
PRA-RANCANGAN PABRIK KALSIUM KARBONAT KAPASITAS 60.000 TON/TAHUN
ABSTRACT PRELIMINARY DESIGN OF A CALCIUM CARBONATE PRODUCTION PLANT WITH CAPACITY OF 60,000 TONS/YEAR Scientific Paper in the form of a Undergraduate Thesis, January 2026 Renaldi Indarto and Muhammad Azim; Supervised by Dr. Budi Santoso, S.T, M.T. Department of Chemical Engineering, Faculty of Engineering, Sriwijaya University ABSTRACT This calcium carbonate production plant with a capacity of …
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- xviii, 158 hlm.; ilus.; tab.; 29 cm
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- T1910522026
PRA RANCANGAN PABRIK PEMBUATAN BISFENOL-A DARI ASETON DAN FENOL KAPASITAS 10.…
Bisphenol-A manufacturing plant with a production capacity of 10,000 tons/year planned to be established in 2030 in Pandeglang Regency, Banten. With estimated area of 5,072 Ha. The raw materials for making Bisphenol-A are Acetone and Phenol. The manufacturing process for Bisphenol-A refers to Patent EP/2023 3847150 B1 “Process for Producing Bisphenol-A”. The reaction takes place in a reacto…
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- xvii, 185 hlm.; ilus.; tab.; 29 cm.
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- T1910702026
SINTESIS DAN KARAKTERISASI BIMETAL Co-Mo/BENTONIT TERPILAR Al13
Bentonite is a layered material that can be modified to improve its physicochemical properties through a pillarization process. This study aims to synthesize Co–Mo bimetals dispersed on Al13-pillared bentonite (BPILC) and analyze the effect of Co-Mo variations on its physicochemical characteristics. The synthesis was carried out through pillarization using Al13 polycation followed by wet impr…
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- xiv, 165 hlm.; ilus.; 29 cm
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- T1905872025
STUDI ADSORPSI PEWARNA CONGO RED DAN METHYLENE BLUE MENGGUNAKAN DRIED KULIT P…
Water pollution caused by synthetic dyes, such as Methylene Blue (MB) and Congo Red (CR), has become a serious environmental issue, necessitating the development of alternative adsorbents that are environmentally friendly and cost-effective. This study aims to investigate the characteristics, adsorption mechanisms, and adsorption performance of petai biomass waste–based adsorbents, namely Dri…
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- ix, 86 hlm.; ilus.; 29 cm
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- T1910272025
INDUKSI RESISTENSI MENGGUNAKAN SENYAWA ACIBENZOLAR-S-METHYL SEBAGAI PENGENDAL…
The duku plant (Lansium domesticum Corr.) is a leading horticultural commodity in South Sumatra, but in recent years it has experienced a decline in productivity due to wilt disease caused by the Ceratocystis pathogen. This study aims to evaluate the effectiveness of the compound Acibenzolar-S-Methyl (ASM) as a resistance inducer in suppressing the development of Ceratocystis disease in duku pl…
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- xv, 42 hlm.; ilus.; 29 cm
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- T1910062025
KARAKTERISASI DAN EKSTRAKSI MINYAK DARI LUMPUR MINYAK BUMI MENGGUNAKAN PELARU…
Lumpur minyak bumi tergolong dalam limbah bahan berbahaya dan beracun (B3) yang dapat mencemari dan merusak lingkungan. Penelitian ini bertujuan untuk mempelajari karakterisasi sampel lumpur minyak bumi yang didapat dari PT Pertamina EP Prabumulih Field. Penelitian ini juga mempelajari pengaruh suhu dan waktu ekstraksi terhadap hasil minyak dengan pelarut toluena kombinasi surfaktan Triton X-10…
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- xiv, 51 hlm.; ilus.; 29 cm
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- T1631842024
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