Master Theses
Master Theses
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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 ... -
Pemanfaatan Acetobacter xylinum Untuk Pembuatan Material Selulosa Bakteri Kitosan dari Maltosa dibandingkan Sukrosa Menggunakan Medium Air Kelapa
(Universitas Sumatera Utara, 2008)One of important coconut water application is for preparation of nata de coco or bacterial cellulose. The resulting bacterial cellulose in fact can be used in medical application as temporary substitute for skin or wound ... -
Peranan Enzim Lipase dari Ekstrak Kecambah Biji Sawit Pada Proses Gliserolisis Minyak Kelapa dan RBD Stearin
(Universitas Sumatera Utara, 2007)Enzymatic glycerolysis reaction performed for stearin and coconut oil by using lipase from extract of germinating of palm seeds as biocatalyst. Although enzymatic process has several advantages compared to chemical processes ... -
Pemanfaatan Limbah Kulit Kopi Sebagai Bahan Pembuat Asap Cair dan Aplikasinya sebagai Anti Mikrobia pada Ikan Lele Dumbo (Clarias gariepius)
(Universitas Sumatera Utara, 2013)Coffee bean skin waste is an agricultural waste product that has the potential to be processed into liquid smoke and can be applied to smoke the African catfish (Clarias gariepinus). Pyrolysis liquid smoke, determined ... -
Studi Karakteristik Kimiawi Air Sungai Tamiang dan Pengolahannya dengan Zeolit-Polyalumunium Clorida (PAC) Sebagai Sumber Air Bersih
(Universitas Sumatera Utara, 2010)River water stream often used as garbage storage from industrial and household. These activity causes chemicals contained in water increase and make Total Disvolved Solid (TDS), iron (Fe) and ammonia higher than cleaned ... -
Pemanfaatan Asap Cair dari Tempurung Kelapa Sebagai Koagulan Komersial Karet Alam Nias Utara
(Universitas Sumatera Utara, 2013)The use of liquid smoke, the residu, and its distillate as coagulant for natural rubber originally from North Nias District have been researched. All coagulated rubber obtained by using the above coagulants have been ... -
Sintesis Asam-0-(N-2-Hidroksi Etil Formamida) Benzoat Melalui Amidasi Asam Ftalatanhidrat dengan Etanolamin
(Universitas Sumatera Utara, 2007)The compound of amide acid-o-( N-2-hydroksi ethyl-formamide) benzoic can be derivate through amidation of pthalat acid anhidrate with ethanolamine. The formation of amide compound is made by pre-melting pthalat ... -
Sintesis O-Glukosil-Tri-n-Amil Sitrat dari Asam Sitrat melalui Esterifikasi dengan n-Amil Alkohol yang Diikuti Asetalisasi dengan Glukosa
(Universitas Sumatera Utara, 2005)Synthesis of O-glucosyl-tri-n-amyl citrate has been done through acetalization of tri-n-amyl citrate and glucose using p-TSA as catalyst under reflux condition in benzene giving 12.7 percent of yield. The tri-n-amyl citrate ...
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