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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
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
FORMULASI SABUN PADAT MENGGUNAKAN VIRGIN COCONUT OIL, EKSTRAK DAUN SIRSAK DAN…
Penelitian ini bertujuan untuk mengetahui formulasi pembuatan sabun padat menggunakan Virgin Coconut Oil, ekstrak daun sirsak, dan minyak atsiri kulit jeruk manis (citrus sinensis L.) yang memenuhi standar nasional indonesia. Virgin coconut oil yang dibuat dengan metode enzimatis menghasilkan rendemen sebesar 27,6%. Maserasi daun sirsak menggunakan pelarut etanol 96% menghasilkan rendemen sebes…
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- XV, 46 HLM.; ILUS.; 29 CM
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- T1631282024
PENGEMBANGAN E-LKM BERBASIS PROJECT BASED LEARNING PENGELOLAAN LABORATORIUM K…
This development research aims to produce Electronic Student Worksheet products based on Project Based Learning Chemical Laboratory Management that are valid, practical and effective. This research was conducted at the Chemistry Education Study Program of Sriwijaya University with the subject of chemistry education students who took the chemical laboratory management course in the 2024/2025 aca…
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- xiv, 82 hlm.; ilus.; 29 cm
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- T1630942024
PENGARUH PENERAPAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING TERHADAP HASIL B…
This research aims to determine the effect of applying the Problem Based Learning learning model on the learning outcomes of class X students on the Periodic System of Elements material. This research was carried out at SMA Negeri 1 Indralaya in November of the 2024/2025 academic year. The research method used was quasi-experimental with a nonequivalent control group design. The variables in th…
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- xiv, 49 hlm,; ilus.; 29 cm
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- T1632152024
PENGEMBANGAN LEMBAR KERJA PESERTA DIDIK (LKPD) BERBASIS PROJECT BASED LEARNIN…
This research aims to produce a Student Worksheet (LKPD) based on Project Based Learning redox material for grade XII high school that is valid, practical, and effective. The research method used is development research with a modified Rowntree development model with Tessmer's formative evaluation. The subject of this study is students of class XII.5 SMA Negeri 6 Prabumulih. The results of the …
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- xv, 70 hlm.; ilus.; 29 cm
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- T1630862024
PENGARUH LKPD BERBASIS PROBLEM BASED LEARNING TERHADAP HASIL BELAJAR SISWA PA…
This research aims to determine the effect of problem based learning LKPD on student learning outcomes in class X high school atomic structure material. This research was carried out at SMA Negeri 1 Indralaya in the 2023/2024 academic year. The research method used was an experiment with a Quasi Experimental design in the form of a nonequivalent control group design. The sampling technique used…
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- xiii, 32 hlm,; ilus.; 29 cm
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- T1630462024
FORMULASI EKSTRAK ETANOL DAUN SIRSAK (ANNONA MURICATA) DAN DAUN BUNGUR (LAGER…
Soursop leaves (Annona muricata) and bungur leaves (Lagerstroemia speciosa) are tropical plants that have long been used in traditional medicine for various health conditions such as antidiabetes. This study aims to obtain the optimal combination formulation of soursop (Annona muricata) and bungur (Lagerstroemia speciosa) leaf extracts as antidiabetic activity in vitro. The yield of 70% ethanol…
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- xiv, 47 hlm,; ilus.; 29 cm
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- T1630812024
PENGEMBANGAN LEMBAR KERJA MAHASISWA (LKM) PRAKTIKUM KIMIA FISIKA II BERBASIS …
This study aims to develop a green chemistry–based Student Worksheet (LKM) for the electrical conductivity practicum in the Physical Chemistry II course that is valid, practical, and effective. The study employed the ADDIE model up to the Development stage and Tessmer’s formative evaluation, including self-evaluation, expert validation, one-to-one evaluation, small group evaluation, and fie…
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- xv, 161 hlm.; ilus.; tab.; 29 cm.
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- T1902712025
PENGEMBANGAN LEMBAR KERJA MAHASISWA (LKM) PADA MATA KULIAH PRAKTIKUM KIMIA FI…
This study aims to develop a Green Chemistry–based Student Worksheet (LKM) for the Physical Chemistry I laboratory on Vapor–Liquid Equilibrium in Binary Systems that is valid, practical, and effective. The development applied the ADDIE model up to the Development stage and used Tessmer’s formative evaluation, including self-evaluation, expert review, one-to-one, small-group, and field tes…
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- xv, 134 hlm.; ilus.; tab.; 29 cm
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- T1901752025
PENGEMBANGAN LEMBAR KERJA MAHASISWA (LKM) PRAKTIKUM KIMIA FISIKA 2 MATERI TIT…
This study aims to produce a Student Worksheet (LKM) for Physical Chemistry 2 Practicum on conductometric titration based on Green Chemistry that is valid, practical, and effective. The research method used is developmental research with the ADDIE development model modified with Tessmer's formative evaluation. The subjects of this study were third-semester chemistry education students during th…
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- xiii, 142 hlm.; ilus.; tab.; 29 cm
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- T1902672025
PENGEMBANGAN LEMBAR KERJA MAHASISWA (LKM) BERBASIS GREEN CHEMISTRY PRAKTIKUM …
This research aims to develop a Green Chemistry-based Student Worksheet (LKM) for the Physical Chemistry II Practicum on the topic of Solubility as a Function of Temperature that is valid, practical, and effective. The research method used was Research and Development (R&D), combining the ADDIE (Analysis, Design, Development) model and Tessmer's formative evaluation. Data was collected through …
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- xv, 144 hlm.; ilus.; tab.; 29 cm
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- T1902702025
PENGEMBANGAN LEMBAR KERJA PESERTA DIDIK (LKPD) BERBASIS PROJECT BASED LEARNIN…
The study entitled Development of a Project-Based Learning Student Worksheet (LKPD) Oriented toward Sustainable Development Goals (SDGs) on Green Chemistry Material was conducted with students of class X-1 at SMA Negeri 1 Indralaya Utara. The development procedure followed the Rowntree model combined with Tessmer’s formative evaluation. The objective of this research was to produce a reaction…
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- xii, 232 hlm.; ilus.; tab.; 29 cm
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- T1900332025
ANALISIS BERPIKIR KRITIS PESERTA DIDIK DALAM MENYELESAIKAN SOAL HOTS MATERI S…
Critical thinking ability is a necessary ability in the super smart society 5.0 era which plays an important role in improving the quality of human resources. Critical thinking is included in the design of 21st century learning skills that are relevant to the demands of the Independent Learning Curriculum. Students' critical thinking skills can be trained by providing HOTS (Higher Order Thinkin…
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- xiii, 56 hlm.; ilus.; 29 cm
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- T1630802024
PENGEMBANGAN SOAL KIMIA MATERI LAJU REAKSI KELAS XI SMA
This research to produce a product in the form of valid and reliable chemistry questions on reaction rate material and to know the level of difficulty, and discriminative power of these questions. This research uses the 4D development model which consists of 4 stages, namely define, design, develop and disseminate. Product feasibility testing was carried out in two stages, namely expert apprais…
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- xii, 73 hlm.; ilus.; 29 cm
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- T1510252024
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.…
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- xvi, 237 hlm.; ilus.; tab.; 29 cm
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- T1900302025
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. …
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- xiii, 219 hlm.; ilus.; tab.; 29 cm.
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- T1900282025
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…
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- xv, 220 hlm.; ilus.; tab.; 29 cm.
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- T1900312025
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 …
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- xv, 86 hlm.; ilus.; 29 cm
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- T1631432024
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…
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- xv, 41 hlm.; ilus.; 29 cm
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- T1630732024
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…
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- xvii, 82 hlm.; ilus.; 29 cm
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- T1526802024
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…
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- xv, 46 hlm.; ilus.; 29 cm
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- T1631002024
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…
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- xiv, 56 hlm.; ilus.; 29 cm
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- T1630292024
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…
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- xiii, 61 hlm.; ilus.; 29 cm
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- T1630042024
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…
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- xiv, 68 hlm.; ilus.; 29 cm
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- T1630022024
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…
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- xiii, 53 hlm.; ilus.; 29 cm
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- T1630172024
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…
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- xvi, 74 hlm.; ilus.; 29 cm
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- T1621942024
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…
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- xii, 63 hlm.; ilus.; tab, 29 cm
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- T1815452025
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%, …
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- xiv, 78 hlm.; ilus.; tab, 29 cm
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- T1817122025
PENGARUH TEMPERATUR MEDIUM PENDISPERSI TERHADAP VISKOSITAS HIDROKOLOID AEGINATE
Alginate merupakan bahan cetak hidrokoloid yang digunakan untuk mencetak model rahang gigi. Pencetakan model rahang dilakukan pada saat masih dalam keadaan sol dengan mencampurkan bubuk alginate dengan air pada perbandingan 1:3. Pada penambahan medium pendispersi dengan temperatur tertentu ke bubuk alginate didapat viskositas yang berbeda untuk tiap temperatur,, pengukuran viskositas dilakukan …
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- x, 55 hlm.: Ilus., tab.; 28 cm
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- T904302006
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