Master Theses
Master Theses
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Degradasi Fotokimia Karet Alam sebagai Compatibilizer Campuran Aspal
(Universitas Sumatera Utara, 2023)The degradation of natural rubber (NR) molecular chains to produce degraded natural rubber (NRd) using photochemical methods has been successfully carried out. The degradation process was carried out using a 30-watt UV ... -
Sintesis Nitrogen-Doped Carbon Dots Menggunakan Metode Solvotermal dari Kulit Jengkol sebagai Pendeteksi Ion Hg2+
(Universitas Sumatera Utara, 2023)Nitrogen Doped-Carbon dots are fluorescent nanoparticles that are easily synthesized from natural raw materials. Jengkol peel is a biomass waste containing phytochemical compounds that can be used as a precursor to synthesize ... -
Prospek Pemanfaatan Zeolit Alam Sarulla sebagai Adsorben pada Pengolahan Limbah Cair Industri Tekstil di Kawasan Industri Medan Belawan
(Universitas Sumatera Utara, 1995)Prospek Pemanfatan Zeolit Sebagai Adsorben Pada Pengolahan Limbah Alam Sarulla Cair Industri Tekstil di Kawasan Industri Medan Belawan. Dibawah bimbi- ngan DR. Ir. Setiaty Pandia sebagai ketua, Prof. Dr. Ir. F. Gunarwan ... -
Kompatibilitas dan Biodegradasi Poliblen PP dengan Turunan Selulosa
(Universitas Sumatera Utara, 1998) Blending between cellulose derivative fillers (cellulose, cellulose acetate, and cellulose diacetate), requires special processing technique and cannot be carried out conventionally. We have tried a so called Reactive ... -
Preparasi dan Karakterisasi Busa Poliuretan Terbiodegradasikan dengan Pengisi Serbuk Tandan Kosong Kelapa Sawit
(Universitas Sumatera Utara, 2014) Research on the manufacture of biodegradable polyurethane foam with a powder filler of empty fruit bunches of oil palm processing results PTPN IV Adolina in shavings have done. Polyurethane foam has been successfully ... -
Karakterisasi Protein Konsentrat Hasil Ekstraksi dari Bungkil Inti Sawit dengan Metode Hidrolisis
(Universitas Sumatera Utara, 2010)Research on the characterization of protein concentrate extracted from palm kernel cake has been conducted. This research was carried out using different solutions with the lipid binding protein and polysaccharides with ... -
Studi Pemanfaatan Tanah Diatomea Aktif sebagai Adsorben terhadap Senyawa Nitrogen yang terdapat dalam Air Danau Toba
(Universitas Sumatera Utara, 2009)A study on the use of activated diatomae as the adsorbent for nitrogen compounds in the water of Toba Lake has been carried out. The water sample was taken randomly from the beach around of Toba Beach Hotel, Pangambata ... -
Studi tentang Kesensitifan Spektrofotometer Serapan Atom (SSA) Teknik Vapour Hydride Generation Accessories (VGHA) dibandingkan dengan SSA Nyala pada Analisa Unsur Arsen (As) yang terdapat dalam Air Minum
(Universitas Sumatera Utara, 2009)Vapour hydride generation accessories (VHGA) is equipment that is combine to atomic absorption spectroscopy(AAS) in analysis metal so that the instrument can achieve sensitivity to μg/L (ppb). The Investigation of AAS ... -
Reaksi Aminasi Glukosa dengan Gas NH3 Bertekanan Menggunakan Katalis Nikel
(Universitas Sumatera Utara, 2007)An amination reaction on glucose using nickel as a catalyst heterogen has been done in autoclave. Into the autoclave glucose (5 g, 0,0277 mol) was suspended in hexane as well Nickel powder. Ammonia 150 psi and hydrogen ... -
Sintesis 2-N-(Pentanadioat)-(12-Dodekanoiloksi) Oktadeka-9-Enamida Melalui Reaksi Esterifikasi Metil Risinoleat dengan Asam Laurat yang Diikuti Amidasi dengan Asam Glutamat
(Universitas Sumatera Utara, 2005)Methanolysis of castor oil produce of fatty acid methyl ester castor oil. Methyl ricinoleic as main composition in castrol oil could be acetylated with acetic acid anhydride give 12-acetoxy 9-octadecenoate, which then ... -
Sintesis Dodekil β-Hidroksi Pelargonamida Melalui Reaksi Amidasi Dodekilamina dengan Asam β-Hidroksi Pelargonat yang Diturunkan dari Asam Risinoleat
(Universitas Sumatera Utara, 2000)Ricinoleic acid that was be be obtained from hydrolysis castor oil can be oxidized by KMnO4 in base and acid condition to produced β-hydroxy pelargonic acid. The esterification of β-hydroxy pelargonic acid that still ... -
Lemak Margarin dari Hasil Suspensi Stearin Kelapa Sawit dengan Gliserolat Minyak Kacang Kedelai yang diperkaya Omega-3 (n-3) Etil Ester Asam Lemak Sardencis
(Universitas Sumatera Utara, 1998)Fatty acid of omega-3 especially docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) have an important role in health, therefore it is necessary to include them in the diet. DHA and EPA are found in fish oil, ... -
Komposit Poliuretan-Serbuk Sekam Padi Sebagai Material Isloator Panas
(Universitas Sumatera Utara, 2016)Preparation of polyurethane composite with rice husk filler as heat insulation material has been done. Polyurethanes are used is a synthesis of polypropylene glycol as a source of polyols and toluene diisocyanate as ... -
Pembuatan Batako dengan Menggunakan Lembah Abu Terbang Industri Oleokimia sebagai Bahan Pengganti Semen dengan Campuran Gypsum
(Universitas Sumatera Utara, 2015)The fly ash from oleochemical industry waste in Medan has been evaluated for producing brick. The fly ash was used to replace the use of cement in the brick after mixing with gypsum. Firstly, the characteristic of the ... -
Sintesis Alkanolamida Asam Lemak dari Palm Fatty Acid Distillate (PFAD) dan Etanolamin Menggunakan Radiasi Mikrowave
(Universitas Sumatera Utara, 2023)Synthesis of alkanolamide from the amidation of PFAD and monoethanolamine without catalyst under microwave iradiation has been studied. Parameters of the molar ratio of PFAD to monoethanolamine, reaction time and microwave ... -
Pengembangan Kitosan dengan Eucalyptus Grandis Berbasis Potensi Lokal sebagai Pembersih Mulut
(Universitas Sumatera Utara, 2022)Oral health needs to be improved through additional mechanical methods, specifically mouthwash based on chitosan with Eucalyptus grandis as a local potential in North Sumatera. The purpose of this study was to analyze ... -
Karakterisasi dan Pembuatan Virgin Candlenut Oil (VCdO) Menggunakan Ekstrak Enzim Bromelin dan Enzim Papain Kasar
(Universitas Sumatera Utara, 2022)Virgin Candlenut Oil (VCdO) can be made enzymatically from bromelain enzyme extract and crude papain enzyme. The purpose of this study was to determine the characteristics of Virgin Candlenut Oil (VCdO) obtained using ... -
Peningkatan Sifat Fisik dan Sifat Mekanik serta Ketahanan Rayap Kayu Simalambuo (Loppopethalum Spp.) dengan Teknik Impregnasi Menggunakan Kombinasi Asap Cair dan Minyak Silikon
(Universitas Sumatera Utara, 2022)Wood is a renewable natural material. Many methods have been used in wood preservation efforts. The use of liquid smoke is very effective in increasing wood resistance to fungi and termites. Researchers combined liquid ... -
Pembuatan Edible Film CMC/Kitosan dengan Penambahan Antioksidan dari Ekstrak Daun Kelor (Moringa Oleifera L.)
(Universitas Sumatera Utara, 2022)Research on the synthesis of edible film CMC/Chitosan with the addition of antioxidants from Moringa leaf extract has been carried out. Moringa leaf extract used has been tested for its antioxidant activity by the DPPH ... -
Sintesis Carbon Dots Berbahan Dasar Tandan Kosong Kelapa Sawit dan Potensinya sebagai Antibakteri
(Universitas Sumatera Utara, 2022)In this study, the synthesis of carbon dots from oil palm empty fruit bunch as a precursor has been successfully carried out. The first step is carbonization at 300oC for 4 hours. The second stage was the synthesis of ...