SPESIASI ION LOGAM CR(III) DAN CR(VI) PADA TANAMAN ECENG GONDOK (EICHHORNIA C…

Water hyacinth is a bioindicator plant that has high tolerance to metal pollutans concentration of Cr(III) and Cr(VI) metal ions species in Ogan river. Measurement of Cr(III) and Cr(VI) metal ions species has done using the concentration cell potentiometric method. This study aims to validated the method (linearity, precision, accuracy, LoD & LoQ). Applying the concentration cell potentiometric…

PENGEMBANGAN LEMBAR KERJA PESERTA DIDIK (LKPD) BERBASIS PROBLEM BASED LEARNIN…

This study aims to develop a PBL-based Student Worksheet (LKPD) oriented to SDGs on chemical bonding material for grade XI of SMA Negeri 1 Indralaya Utara. This study uses a development research method with the Rowntree development model which includes planning, development, and evaluation stages, as well as Tessmer formative evaluation which includes expert review, one-to-one, and small group.…

PENGEMBANGAN LEMBAR KERJA PESERTA DIDIK (LKPD) BERBASIS PROBLEM BASED LEARNIN…

This study aims to develop a Student Worksheet (LKPD) based on Problem Based Learning (PBL) integrated with the Sustainable Development Goals (SDGs) on the colloid topic for Grade XII senior high school students. The study was motivated by the limited availability of contextual and innovative learning materials that are able to connect colloid concepts with real-life issues and sustainability. …

PENGEMBANGAN LEMBAR KERJA PESERTA DIDIK (LKPD) BERBASIS PROBLEM BASED LEARNIN…

This study developed a Student Worksheet (LKPD) based on problem-based learning integrated with sustainable development goals (SDGs) on corrosion material. This development was carried out by adapting the Rowntree model in collaboration with the formative evaluation stages according to Tessmer. The main objective of this study was to produce a valid, practical, and effective PBL-based LKPD inte…

PRODUKSI ENZIM PROTEASE DARI Bacillus licheniformis TS-8 PADA MEDIA TEPUNG BU…

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…

PENGEMBANGAN E-LKPD MATERI STRUKTUR ATOM BERBASIS SCIENCE, TECHNOLOGY, ENGINE…

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 …

FORMULASI HANBODY LOTION DARI VIRGIN COCONUT OIL DENGAN EKSTRAK DAUN SIRSAK (…

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…

PENGEMBANGAN E-LKPD INTERAKTIF DENGAN WIZER.ME MATERI KONSEP KIMIA DALAM KEHI…

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…

FORMULASI SEDIAAN BALSAM STICK AROMATERAPI BERBAHAN AKTIF MINYAK ATSIRI KULIT…

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…

FORMULASI EKSTRAK ETANOL DAUN SALAM (SYZYGIUM POLYANTHUM) DAN DAUN MENGKUDU (…

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…

PENGEMBANGAN LKPD IPA TERPADU BERBASIS PROBLEM BASED LEARNING (PBL) TOPIK PAR…

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…

PENGEMBANGAN LKPD IPA TERPADU BERBASIS PROBLEM BASED LEARNING (PBL) TOPIK SEN…

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…

FERMENTASI BIOETANOL DARI BATANG PISANG BATU (MUSA BALBISIANA) PRAPERLAKUAN K…

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…

PENGEMBANGAN LEMBAR KERJA PESERTA DIDIK IPA TERPADU BERBASIS PROBLEM BASED LE…

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…

PENGEMBANGAN LKPD IPA TERPADU BERBASIS PROJECT BASED LEARNING TOPIK UJI DAYA …

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…

KIMIA PEPTIDA

Edition

-

ISBN/ISSN

979-8591-79-8

Collation

11a, 213 hlm.; 21 cm.

Series Title

-

Call Number

574.192 456 Bod k

PRA RANCANGAN PABRIK PEMBUATAN NATRIUM BIKARBONAT KAPASITAS 60.000 TON/TAHUN

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…

PRA RANCANGAN PABRIK PEMBUATAN METIL KLORIDA KAPASITAS 13.000 TON/TAHUN

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…

AKTIVITAS ANTIOKSIDAN DAN ANTIBAKTERI Staphylococcus epidermidis MINYAK ATSIR…

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…

Proses Industri Kimia

Edition

-

ISBN/ISSN

978-623-028-433-5

Collation

xii, 204 hlm.; 23 cm

Series Title

-

Call Number

661 Sis p

PRA RENCANA PABRIK PEMBUATAN DIMETIL SUKSINAT KAPASITAS 30.000 TON/TAHUN

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…

SINTESIS KOMPOSIT Fe3O4-SDS SEBAGAI ADSORBEN UNTUK ADSORPSI ZAT WARNA CONGO RED

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…

PENGARUH PERBANDINGAN BERAT SDS TERHADAP KINERJA KOMPOSIT Fe3O4-SDS UNTUK ADS…

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 …

PENGARUH MODEL PEMBELAJARAN DISCOVERY LEARNING TERHADAP HASIL BELAJAR KIMIA P…

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…

VOLATILOMIK BERBASIS SPME-GC/MS DAN KARAKTERISTIK KIMIA IKAN TENGGIRI (SCOMBE…

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 …

PRA RANCANGAN PABRIK PEMBUATAN METIL ISOBUTIL KETON KAPASITAS 30.000 TON/TAHUN

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…

PRA RANCANGAN PABRIK PEMBUATAN VINIL ASETAT MONOMER KAPASITAS 40.000 TON/TAHUN

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…

ANALISIS KETERAMPILAN PROSES SAINS SISWA PADA POKOK MATERI KADAR DALAM SENYAWA

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%, …

AKTIVITAS ANTIBAKTERI EKSTRAK ETANOL SABUT KELAPA (Cocos Nucifera Linn) TERHA…

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 …

REKAYASA SISTEM PENGADUKAN DALAM PROSES PRODUKSI GREEN CHEMICALS BERBASIS KAL…

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…