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Found 1919 from your keywords: subject="Kimia"
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PRODUKSI ENZIM PROTEASE DARI Bacillus licheniformis TS-8 PADA MEDIA TEPUNG BU…
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Aqila, Zahra Luthfa

Protease is an enzyme capable of breaking peptide bonds in proteins into peptides and amino acids. Thermophilic bacteria from B. licheniformis are known as one of the microorganisms that produce protease capable of degrading keratin with high activity and under extreme conditions. In this study, protease enzyme production and purification were carried out from Bacillus licheniformis TS-8 isolat…

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xviii, 78 hlm.; ilus.; tab.; 29 cm
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-
Call Number
T1892982025
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PENGEMBANGAN E-LKPD MATERI STRUKTUR ATOM BERBASIS SCIENCE, TECHNOLOGY, ENGINE…
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Ningrum, Sinta Ayu

Penelitian ini dilatarbelakangi oleh keterbatasan bahan ajar yang hanya berbentuk media cetak, sehingga pembelajaran menjadi monoton dan kurang menarik bagi peserta didik. Tujuan dari Penelitian ini adalah menghasilkan e-LKPD yang valid, praktis, dan efektif pada materi struktur atom berbasis Science, Technology, Engineering and Mathematic (STEM) di SMA Srijaya Negara. Penelitian ini merupakan …

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xv, 86 hlm.; ilus.; 29 cm
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T1631432024
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FORMULASI HANBODY LOTION DARI VIRGIN COCONUT OIL DENGAN EKSTRAK DAUN SIRSAK (…
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Istiani, Ria

Daun sirsak (Annona muricata L.) mengandung senyawa aktif flavonoid yang memiliki aktivitas sebagai antioksidan. Virgin coconut oil (VCO) memiliki kandungan komposisi asam lemak tertinggi pada asam laurat yang berfungsi melindungi kulit dari penuaan dini. Penelitian ini bertujuan untuk mengetahui formulasi ekstrak daun sirsak dan virgin coconut oil dalam kualitas sediaan handbody lotion. Masera…

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ISBN/ISSN
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xv, 41 hlm.; ilus.; 29 cm
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Call Number
T1630732024
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PENGEMBANGAN E-LKPD INTERAKTIF DENGAN WIZER.ME MATERI KONSEP KIMIA DALAM KEHI…
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Agustin, Devy Dwy

The development of interactive E-LKPD with Wizer.me material on chemical concepts in everyday life based on green chemistry has been carried out in class X chemistry learning at SMAN 1 Indralaya. This development process uses the APPE model (Analysis, Planning, Development, Evaluation). Data for this development was obtained through interviews, questionnaires, walkthroughs and tests. The evalua…

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ISBN/ISSN
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xvii, 82 hlm.; ilus.; 29 cm
Series Title
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Call Number
T1526802024
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FORMULASI SEDIAAN BALSAM STICK AROMATERAPI BERBAHAN AKTIF MINYAK ATSIRI KULIT…
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Anisa, Dian

Penelitian ini bertujuan untuk memperoleh formulasi balsam stick aromaterapi berbahan aktif minyak atsiri jeruk manis (Citrus sinensis) dan Virgin Coconut Oil (VCO). Penelitian ini menggunakan metode eksperimen dengan variasi konsentrasi minyak atsiri jeruk manis (F1: 7,5%; F2: 10%; dan F3: 12,5%) dan variasi konsentrasi VCO (F1: 37,3%; F2: 34,8%; dan F3: 32,3%) pada formulasi balsam stick. Min…

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xv, 46 hlm.; ilus.; 29 cm
Series Title
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Call Number
T1631002024
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FORMULASI EKSTRAK ETANOL DAUN SALAM (SYZYGIUM POLYANTHUM) DAN DAUN MENGKUDU (…
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Noviyani, Zalfa

Daun salam (Syzygium polyanthum) dan daun mengkudu (Morinda citrifolia L.) mengandung senyawa flavonoid yang terbukti memiliki aktivitas sebagai antidiabetes. Penelitian ini dilakukan dengan tujuan untuk memperoleh formulasi ekstrak etanol daun salam (Syzygium polyanthum) dan daun mengkudu (Morinda citrifolia L.) yang optimal sebagai antidiabetes. Hasil rendemen ekstrak etanol daun salam sebesa…

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ISBN/ISSN
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xiv, 56 hlm.; ilus.; 29 cm
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Call Number
T1630292024
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PENGEMBANGAN LKPD IPA TERPADU BERBASIS PROBLEM BASED LEARNING (PBL) TOPIK PAR…
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Solehah, Imroatus

This research is a development research that aims to produce Integrated Science Student Worksheet Based on Problem Based Learning (PBL) Topic of Material Compiling Particlees that are valid, practical, and effective. The development model used is Rowntree (planning, development stages) modified with Tessmer formative evaluation. Tessmer formative evaluation stages consist of self-evaluation, ex…

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xiii, 61 hlm.; ilus.; 29 cm
Series Title
-
Call Number
T1630042024
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PENGEMBANGAN LKPD IPA TERPADU BERBASIS PROBLEM BASED LEARNING (PBL) TOPIK SEN…
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Qur'anum, Aulia Annies

This development research was conducted to produce Problem Based Learning (PBL) based Learner Worksheets (LKPD) and applied for learning chemical compounds in class VIII SMPN 1 Sembawa which are valid, practical, and effective. The development model used in this research is the Rowntree development model and modified with Tessmer's formative evaluation. Data were collected through interviews, q…

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xiv, 68 hlm.; ilus.; 29 cm
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Call Number
T1630022024
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FERMENTASI BIOETANOL DARI BATANG PISANG BATU (MUSA BALBISIANA) PRAPERLAKUAN K…
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Uljanah, Dhika

Banana pseudostem waste was minimally utilized and often discarded by the community. However, many studies found that banana pseudostems could be fermented to produce bioethanol due to its high cellulose content. Therefore, this study conducted bioethanol fermentation from banana pseudostems waste (Musa balbisiana) pretreated with KOH microwave by separate hydrolysis and fermentation. The effec…

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ISBN/ISSN
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xii, 133 hlm.; ilus.; 29 cm
Series Title
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Call Number
T1572722024
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PENGEMBANGAN LEMBAR KERJA PESERTA DIDIK IPA TERPADU BERBASIS PROBLEM BASED LE…
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Septiyani, Dewi

Penelitian pengembangan ini telah dilakukan untuk menghasilkan produk LKPD berbasis problem based learning IPA di kelas IX SMP IT Raudhatul Ulum yang valid, praktis, dan efektif. Metode penelitian pengembangan yang dilakukan pada penelitiam ini menggunakan model Rowntree yang dimodifikasi evaluasi formatif tessmer. Penelitian ini meliputi tiga tahap, yaitu 1) tahap perencanaan, 2) tahap pengemb…

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xiii, 53 hlm.; ilus.; 29 cm
Series Title
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Call Number
T1630172024
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PENGEMBANGAN LKPD IPA TERPADU BERBASIS PROJECT BASED LEARNING TOPIK UJI DAYA …
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Adelia, Nabila

Penelitian Pengembangan ini telah dilakukan untuk menghasilkan produk LKPD LKPD IPA Terpadu berbasis project based learning di kelas IX.10 SMP Negeri 18 Palembang yang valid, praktis dan efektif.Metode penelitian Pengembangan yang dilakukan pada penelitian ini menggunakan model ADDIE yang dimodifikasi evaluasi formatif pengembangan tessmer. Penelitian ini meliputi 4 tahapan yaitu 1) tahap anali…

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xvi, 74 hlm.; ilus.; 29 cm
Series Title
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Call Number
T1621942024
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cover
KIMIA PEPTIDA
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Kosasih PadmawinataBodanszky, Miklos

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ISBN/ISSN
979-8591-79-8
Collation
11a, 213 hlm.; 21 cm.
Series Title
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Call Number
574.192 456 Bod k

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ISBN/ISSN
979-8591-79-8
Collation
11a, 213 hlm.; 21 cm.
Series Title
-
Call Number
574.192 456 Bod k
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cover
PRA RANCANGAN PABRIK PEMBUATAN NATRIUM BIKARBONAT KAPASITAS 60.000 TON/TAHUN
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Tasyabela, Nafiza

Pabrik pembuatan natrium bikarbonat kapasitas produksi 60.000 ton/tahun direncanakan akan berdiri pada tahun 2030 di Kawasan Candi Industrial Estate, Jl. Gatot Subroto, Kecamatan Ngaliyan, Semarang, Provinsi Jawa Tengah. Natrium bikarbonat pada pabrik ini dibuat melalui proses reaksi metatesis dari bahan baku natrium sulfat dan ammonium bikarbonat menggunakan reaktor Continuous Stirred Tank Rea…

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ISBN/ISSN
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xxv, 395 hlm.; ilus.; tab.; 29 cm
Series Title
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Call Number
T1886732025
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PRA RANCANGAN PABRIK PEMBUATAN METIL KLORIDA KAPASITAS 13.000 TON/TAHUN
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Yuniarti, Hafizhah

Pabrik pembuatan Metil Klorida dengan kapasitas 13.000 ton/tahun direncanakan pembangunannya pada tahun 2033 yang berlokasi di Bontang, Kalimantan Timur seluas 3,4 Ha. Operasi Pabrik berjalan selama 24 jam/hari dalam 300 hari/tahun. Komoditi Metil Klorida yang diproduksi mengacu pada Patent WO 2024/ 063425 A1 yang menggunakan klorinasii metana dan hidroklorinasi metanol. Proses reaksi berlangsu…

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xxi, 432 hlm.; ilus.; tab.; 29 cm
Series Title
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Call Number
T1886602025
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AKTIVITAS ANTIOKSIDAN DAN ANTIBAKTERI Staphylococcus epidermidis MINYAK ATSIR…
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Lestari, Astri Indah

Degenerative diseases and infections suffered by most of the Indonesian population. Free radicals are a major contributor to degenerative diseases. While infectious diseases are caused by pathogenic microorganisms, one of them is the bacteria Staphylococcus epidermidis. The negative effects of free radicals and S. epidermis bacteria can be controlled using antioxidants and antibacterials. Synth…

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ISBN/ISSN
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xiv, 58 hlm.; ilus.; 29 cm
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Call Number
T1567262024
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PRA RENCANA PABRIK PEMBUATAN DIMETIL SUKSINAT KAPASITAS 30.000 TON/TAHUN
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Qomariah, Nurul

Pabrik Dimetil Suksinat direncanakan berlokasi di daerah Bontang Utara, Kalimantan Selatan. Pabrik ini meliputi area seluas 3 Ha dengan kapasitas 30.000 ton per tahun. Proses pembuatan Dimetil Suksinat dilakukan melalui proses Esterification reaction of dicarbocylic acid, senyawa asam suksinat direaksikan dengan metanol membentuk intermediet monometil suksinat yang selanjutnya bereaksi dengan m…

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xv, 42 hlm.; ilus.; 29 cm
Series Title
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Call Number
T1564912024
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SINTESIS KOMPOSIT Fe3O4-SDS SEBAGAI ADSORBEN UNTUK ADSORPSI ZAT WARNA CONGO RED
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Sarifah, Aisyah

Congo red dye is widely used in industry, one of them is textile industry. Congo red dye waste if it enters the environment without proper processing will cause environmental pollution. Fe3O4 and Fe3O4-SDS (1:1) composite were used for the adsorption of congo red dye by synthesizing using the coprecipitation method and characterized using XRD, FTIR, VSM and BET. The XRD characterization results…

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ISBN/ISSN
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xvii, 76 hlm.; ilus.; 29 cm
Series Title
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Call Number
T1522512024
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PENGARUH PERBANDINGAN BERAT SDS TERHADAP KINERJA KOMPOSIT Fe3O4-SDS UNTUK ADS…
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Fazurah, Maznah

The dye that is widely used in the textile industry is congo red dye which is carcinogenic and toxic to many organisms so that processing is needed. Fe3O4-SDS (2:1) and (2:3) composites were used as adsorbents in the adsorption of congo red dye by synthesis using the coprecipitation method and then characterized by XRD, BET, VSM and FTIR. The XRD characterization results of Fe3O4-SDS (2:1) and …

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ISBN/ISSN
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Collation
x, 73 hlm.; ilus.; 29 cm
Series Title
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Call Number
T1522502024
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PENGARUH MODEL PEMBELAJARAN DISCOVERY LEARNING TERHADAP HASIL BELAJAR KIMIA P…
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Khuma'iroh, Nuril Hidayatul

Penelitian ini bertujuan untuk mengetahui pengaruh model pembelajaran Discovery Learning terhadap hasil belajar siswa pada materi Persamaan Laju Reaksi dan Faktor-Faktor yang Mempengaruhi Laju Reaksi di SMA Srijaya Negara Palembang. Penelitian ini menggunakan pendekatan kuantitatif dengan metode quasi eksperimen dan desain pre-test post-test dengan dua kelompok, yaitu kelas eksperimen dan kelas…

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ISBN/ISSN
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xii, 63 hlm.; ilus.; tab, 29 cm
Series Title
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Call Number
T1815452025
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VOLATILOMIK BERBASIS SPME-GC/MS DAN KARAKTERISTIK KIMIA IKAN TENGGIRI (SCOMBE…
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Septia, Nanda

NANDA SEPTIA, Volatilomics Based SPME-GC/MS and Chemical Characteristics of Mackerel Fish (Scomberomorus commersonii) Based on Weight Differences (Supervisor RODIANA NOPIANTI) This research aims to determine volatile compounds, volatile compound grouping patterns, and chemical characteristics of mackerel fish (Scomberomorus commersonii) based on differences in fish weight. This research uses a …

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ISBN/ISSN
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Collation
xiv, 58 hlm.; ilus.; 29 cm
Series Title
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Call Number
T1526282024
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PRA RANCANGAN PABRIK PEMBUATAN METIL ISOBUTIL KETON KAPASITAS 30.000 TON/TAHUN
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Shean, Rizqi Akbar

Pabrik pembuatan metil isobutil keton dengan kapasitas produksi 30.000 ton/tahun direncanakan pembangunannya pada tahun 2033 yang berlokasi di Kabupaten Gresik, Jawa timur seluas 4,11 Ha. Operasi pabrik berjalan selama 24 jam/hari dalam 300 hari/tahun. Komoditi metil isobutil keton yang diproduksi mengacu pada Patent No. CN118286973A yang menggunakan proses hidrogenasi dengan aseton sebagai bah…

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ISBN/ISSN
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Collation
xxv, 296 hlm.; ilus.; tab.; 29 cm.
Series Title
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Call Number
T1886832025
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PRA RANCANGAN PABRIK PEMBUATAN VINIL ASETAT MONOMER KAPASITAS 40.000 TON/TAHUN
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Putri, Kadek Pradnyanita Nadhira And Amanda, Rahfina Zadia

Pabrik pembuatan Vinil Asetat Monomer dengan kapasitas 40.000 ton/tahun berencana didirikan pada tahun 2030 di Kotasari, Purwakarta, Cilegon, Banten dengan luas area pabrik sebesar 3,61 ha. Pabrik beroperasi selama 24 jam/hari dalam 330 hari/tahun. Proses produksi Vinil Asetat Monomer mengacu pada patent No. WO2025028571A1 menggunakan proses oksidasi etilen dengan bahan baku oksigen, asam aseta…

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ISBN/ISSN
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xxv, 93 hlm.; ilus.; tab.; 29 cm.
Series Title
-
Call Number
T1843542025
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ANALISIS KETERAMPILAN PROSES SAINS SISWA PADA POKOK MATERI KADAR DALAM SENYAWA
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Savitri, Nadila Nur

This study aims to determine scientific process skills in of group of students in compounds levels lesson. Descriptive quantitative research method was employed. The research sample was all grade XI students studying chemistry at Pusri Palembang High School in the 2024/2025 academic year. The findings show that three out of seven aspects of scientific process high scores, namely observing 82%, …

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ISBN/ISSN
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Collation
xiv, 78 hlm.; ilus.; tab, 29 cm
Series Title
-
Call Number
T1817122025
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AKTIVITAS ANTIBAKTERI EKSTRAK ETANOL SABUT KELAPA (Cocos Nucifera Linn) TERHA…
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Sadin, Mianita

Indonesia has abundant natural resources, especially in agriculture. One of its leading commodities comes from coconut plantations, Coconut is a versatile plant whose entire part can be utilized, including coconut fiber. Coconut fiber contains antibacterial compounds such as tannins, flavonoids, and polyphenols. This study aims to assess the antibacterial activity of ethanol extract of coconut …

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ISBN/ISSN
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xix, 72 hlm.; ilus.; tab, 29 cm
Series Title
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Call Number
T1805182025
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REKAYASA SISTEM PENGADUKAN DALAM PROSES PRODUKSI GREEN CHEMICALS BERBASIS KAL…
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Rahmi, Ani

Deep Eutectic Solvent (DES) based on K2CO3-Glycerol is promising as green chemicals due to its environmentally friendly, economical, and sustainable properties. However, homogeneity and eutectic point are difficult to achieve and there is no large-scale production standard. This study aims to assess the effect of stirring engineering (stirrer type and speed) on the preparation of K2CO3-Glycerol…

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ISBN/ISSN
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xii, 43 hlm.; ilus.; tab.; 29 cm.
Series Title
-
Call Number
T1842072025
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SINTESIS GRAFIT DARI LIGNIN HASIL ISOLASI LIMBAH TANDAN KOSONG KELAPA SAWIT M…
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Rahmadini, Siska

Grafit banyak dimanfaatkan dalam berbagai aplikasi industri, namun Indonesia masih sering mengimpor grafit sehingga diperlukan sumber alternatif. Lignin sebagai salah satu komponen dalam limbah tandan kosong kelapa sawit dan biasanya diabaikan, memiliki potensi dijadikan bahan baku sintesis grafit karena kandungan karbon yang tinggi. Proses isolasi lignin pada penelitian ini menggunakan metode …

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ISBN/ISSN
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xi, 78 hlm.; ilus.; 29 cm
Series Title
-
Call Number
T1521492024
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SINTESIS NANOPARTIKEL PERAK (NPAg) MENGGUNAKAN EKSTRAK DAUN TUMBUHAN Antidesm…
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Sihombing, Merri Cristina

Antidesma ghaesembilla or what is known locally as Sendulang has potential as a bioreductor in the synthesis of silver nanoparticles because it contains secondary metabolite compounds, one of which is flavonoids. A. ghaesembilla leaves have never been reported or studied for use as a bioductor in the synthesis of silver nanoparticles. Therefore, this research aims to synthesize silver nanoparti…

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ISBN/ISSN
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Collation
xv, 42 hlm.; ilus.; 29 cm
Series Title
-
Call Number
T1521612024
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KARAKTERISASI RESERVOAR MENGGUNAKAN ATRIBUT SEISMIK PADA LAPANGAN “X” FOR…
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Lestari, Nadia Dwi

Telah dilakukan penelitian mengenai uji aktivitas antihiperlipidemia ekstrak etanol daun kecipir (Psophocarpus tetragonolobus (L.) DC) pada tikus jantan wistar yang diinduksi diet tinggi lemak dan fruktosa. Tikus putih jantan galur Wistar dibagi menjadi enam kelompok yaitu normal, kontrol positif (simvastatin 0,9 mg/kgBB), kontrol negative (NaCMC 0,5%), dan tiga kelompok uji dengan dosis 100 mg…

Edition
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ISBN/ISSN
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Collation
xvii, 82 hlm.; ilus.; 29 cm
Series Title
-
Call Number
T1520752024
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APLIKASI METODE POTENSIOMETRI SEL KONSENTRASI UNTUK ANALISIS LOGAM TEMBAGA (C…
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Rahman As, M Alief

Validation of the potentiometric cell concentration method and analysis of copper metal in Sekanak river water has been carried out. This research aims to validate the concentration cell potentiometric method in determining copper metal (Cu) in water and determining the distribution of copper metal (Cu) in Sekanak river water. Validation parameters in this study include calibration curve linear…

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ISBN/ISSN
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xvii, 82 hlm.; ilus.; 29 cm
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Call Number
T1589302024
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PENENTUAN KADAR TOTAL FENOLIK, KADAR TOTAL FLAVONOID, AKTIVITAS ANTIOKSIDAN D…
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Akbar, Almer

Barringtonia acutangula or indian oak is a type of tree that are found in many swamps and river banks in Sumatera Selatan region. Determination of total phenolic content, total flavonoid content, antioxidant activity and toxicity of indian oak (Barringtonia acutangula) leaves extract was carried out. Extraction process was carried out by using increasing polarity maceration with n-hexane, ethyl…

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ISBN/ISSN
-
Collation
xiii, 94 hlm.; ilus.; 29 cm
Series Title
-
Call Number
T1589292024
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