Master Theses
Master Theses
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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 ... -
Studi Pemanfaatan Limbah Ikan Dari Tempat Pelelangan Ikan (TPI) dan Pasar Tradisional Nauli Sibolga Menjadi Tepung Ikan Sebagai Bahan Baku Pakan Ternak
(Universitas Sumatera Utara, 2013)This thesis deals with research which has been conducted on the use of waste fish into fish powder as raw materials of animal feed at fish selling place and Nauli traditional market Sibolga. Waste of fish was taken from ... -
Analisa Logam Berat Timbal, Besi, Kadmium dan Zinkum dalam Lindi Hitam (Black Liquor) pada Industri Pulp Proses Kraft dengan Menggunakan Metode Spektrofotometri Serapan Atom (SSA)
(Universitas Sumatera Utara, 2007)Pulp is made by dissolving wood with NaOH and Na2S solutions which produced is called black liquor. Black liquor containing metals which come from woods and chemicals. There is a need for measure their concentration ... -
Sintesis1-Kapril-3,4,6-Triasetilmanitol sebagai Surfaktan
(Universitas Sumatera Utara, 1999)D-Mannitol has been partially acetylated by reacting liquid of D-mannitol and acetic anhydride without solvent and catalyst to obtain 1,3,4,6- tetraacetylmannitol. Then 1,3,4,6-tetraacetylmannitol could be interesterified ... -
Sintesis Surfaktan Non Ionik (-2,3-Dihidroksi) Propil (-2'-Asetat-3'-Laurat) Propil Eter
(Universitas Sumatera Utara, 1999)A surfactant (2,3-dihydroxy) propyl-(2'-acetate-3'-laurate) propyl ether has been synthesized from glycerol via ketalization, chlorination, esterification, etherification, transesterification and deketalization ... -
Isolasi Minyak Atsiri dari Kulit Buah Jeruk Purut (Citrus hystrix. DC) Secara Maserasi dalam Pelarut Campur Olein dan Lesitin
(Universitas Sumatera Utara, 1998)Study on isolation of oil from jeruk purut peel (Citrus hystrix D.C.) by maceration using mixture of olein and lecithin (2:1) expected to substitute mixture solvent of lard and tallow (2:1). Jeruk Purut peel oil obtained ... -
Sintesis 2-Metoksi -2-(Metil-ẞ-Butanon) -4-Metilen Lauril-1,3-Dioksolan
(Universitas Sumatera Utara, 2001)Synthesis of 2-methoxy -2-(methyl-ẞ-butanon)-4-methylene lauryl-1,3 dioksolane compound (MMB-MLD) through ketalization reaction of 1-lauroy! glycerol with methyl levulonic gave 80% result. The structure of the result in ... -
Pengaruh pemekacahaya FeCI3 Terhadap Fotodegradasi Poliblen Polipropilena dengan Derivat Selulosa
(Universitas Sumatera Utara, 1999)In this work processing of photodegradable plastics was studied by producing polypropylene blends containing cellulose derivative filler and FeCI3, as photosensitizer. Composition of the blends was varied from 10% to 50% ... -
Isolasi Minyak Atsiri dari Kulit Buah Jeruk Purut (Citrus hystrix. DC) Secara Maserasi dalam Pelarut Gliserolat Stearin
(Universitas Sumatera Utara, 1998)The isolation of essential oil from the peel of Citrus hystrix DC. of the family Rutaceae by maceration was carried out using gliserolysis reaction products as solvents, i.e., Glyserolat Stearins (1:9; 5:5; 9:1) in an ... -
Sintesis dan Karakterisasi Karet Alam Siklis Berat Molekul Rendah Melalui Degradasi Oksidatif (Metode Brosse)
(Universitas Sumatera Utara, 2017)The research has done the synthesis and characterization of natural rubber cyclical low molecular weight through oxidative degradation (Method Brosse). Cyclic Liquid Natural Rubber (CLNR) is a cyclical natural rubber that ... -
Pengujian Ekstrak Kasar (Crude) Alkaloid dari Buah Lancing (Solanum vercifolium set W) dan Hubungannya Terhadap Keaktifan Sperma Mencit (Mus musculus) Jantan dan Kehamilan Mencit Betina
(Universitas Sumatera Utara, 2013)The research has been done on the test of crude extract alkaloids from Lancing fruit (Solanum verbacifolium set W) and its relation to Sperm activity in male mice (Mus musculus) and pregnancy of female mice. The simplicial ... -
Pemanfaatan Campuran Antioksidan Alam Berupa Asap Cair dari Cangkang Kelapa Sawit dengan Fenol pada Karet Alam SIR 20
(Universitas Sumatera Utara, 2010)Made of the kompon cis-1,4 isoprene (natural rubber} SIR 20 which have been vulcanized and enhanced by a liquid smoke from cangkang of coconut of sawit and phenol as antioxidant. The result of mixing between natural ... -
Isolasi dan Analisis Komponen Kimia Minyak Atsiri Kencur (Kaempferia galangal, L) dengan GC-MS
(Universitas Sumatera Utara, 2009)This research was conducted with the scale of laboratory. The object of this research was fresh roots of galangal. The treatment done was to isolate the essential oil of the galangal root through steam distillation and ... -
Reaksi Aminasi Sorbitol dengan Gas NH3 Bertekanan Menggunakan Katalis Nikel
(Universitas Sumatera Utara, 2007)An amination reaction on sorbitol using nickel as a catalyst heterogen has been done in autoclave. Into the autoclave sorbitol (1 gr, 0,0055 mol) was suspended in hexane as well Ni powder. Ammonia 120 psi and H2 gas 40 ...