Master Theses
Master Theses
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Now showing items 281-300 of 374
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Sintesis Selulosa Kaproat melalui Reaksi Interesterifikasi antara Selulosa Asetat dengan Metil Kaproat
(Universitas Sumatera Utara, 2005)Cellulose has been acetylated with acetic anhydride using concentrated sulfuric acid as catalyst in glacial acetic acid. The interesterification reaction of cellulose and methyl caproate in methanol using sodium methoxyde ... -
Sintesis Trigliserida Rantai Sedang 1,2-Dikapril-3- Oleil-Gliserol
(Universitas Sumatera Utara, 2000)A medium chain triglyceride ( 1,2-dicapryl-3-oleoyl-glycerol) has been synthesized from glycerol via ketalization, esterification, deketalization, and reesterification reactions, respectively. Glycerol was ketalized with ... -
Pembuatan Pengganti Lemak Cocoa dan Lemak Susu dan Stearin Kelapa Sawit melalui Reaksi Interesterifikasi
(Universitas Sumatera Utara, 2005)Interesterification reaction involves intramolecular and intermolecular exchange of acyl groups among triglicerides resulting in the changes on the physical and chemical properties of the result trigliserides. Preparation ... -
Stabilitas Panas Polipropilena dengan Antioksidan Butil Hidroksi Toluena dan Residu Asap Cair Hasil Pirolisis Cangkang Kelapa Sawit
(Universitas Sumatera Utara, 2007)In this research, there have been done the Mixing among Polypropylene, the residue of the palm oil liquid’s smoke and polypropylene. The residue of the palm oil liquid’s smoke and BHT. The mixing of these component can be ... -
Penggunaan Serbuk Tulang Ayam sebagai Penurun Intensitas Warna Air Gambut
(Universitas Sumatera Utara, 2009)One of problems that is faced by people who live in lowland and marshy area is the scarcity of available clean water, this is due to the fact that the available source of water is peat water. This problem also happens in ... -
Pemanfaatan Amilum Batang Kelapa Sawit sebagai Ekstender Perekat Kayu
(Universitas Sumatera Utara, 2001)Optimization of glue firmness from the binder produced using the starch as extender material has been successfully made. Before using the starch of palm oil stem, the sago starch obtained from market is implemented as the ... -
Monitoring dan Analisis Kadar Aluminium (Al) dan Besi (Fe) pada Pengolahan Air Minum Pdam Tirtanadi Sunggal
(Universitas Sumatera Utara, 2009)The research of monitoring and analysis of metal concentration Aluminium (Al) and Iron (Fe) in water sample gained from drinking water treatment of PDAM Tirtanadi Sunggal, has been made. The water sample was taken from ... -
Reaksi Aminasi Gliserol dalam Berbagai Tekanan Gas Amoniak Dengan Katalis Nikel
(Universitas Sumatera Utara, 2009)Amination reaction of glycerol with NH3 had been made in a autoclave by using Nickel powder metal as a catalyst at 1800C for 15 hours. To Increase the compression of reaction, hydrogen gas was put into the reaction mixtured ... -
Pembuatan dan Karakterisasi Membran Pb2+ -Kitosan sebagai Sensor Kimia
(2000)The chitosan membrane of ion-selective electrode has been prepared for determination of lead ion. Chitosan is a natural polymer containing nitrogen, could coordinate with Pb2+ to increase the membrane conductivity value. ... -
Pengikatan Pemlastis Asam Lemak Jenuh dan Tak Jenuh dalam Matriks Poly Vinyl Chloride (PVC)
(Universitas Sumatera Utara, 2001)Free fatty acid, of palm kernel oil especially the saturated one, may be used as a plasticizer for PVC resin. Mechanical test data showed the plasticity and elasticity level of PVC material plasticized with saturated fatty ... -
Optimasi Metode Kromatografi Cair Kinerja Tinggi (Kckt) untuk Penetapan Kadar Antioksidan Tersier Butil Hidrokuinon (Tbhq) dalam minyak Goreng setelah Penggorengan berulang
(Universitas Sumatera Utara, 2014)High performance liquid chromatography (HPLC) with gradient elution method for the determination of tertiary butyl hydroquinone a synthetic antioxidant (TBHQ) in cooking oil after frying repeatedly been studied. Chromatography ... -
Analisis Senyawa Kimia Minyak Atsiri Akar Sembung (Blumea Balsamifera Dc) dengan Gc-Ms Serta Uji Aktivitas Antimikroba dan Antioksidan
(Universitas Sumatera Utara, 2014)The results of the root essential oil isolation Blumea balsamifera DC is done by water distillation (hidrodestilasi) obtained volatile oil content of 0.17% (v / w). Analysis hemical components essential oils roots of roots ... -
Pemanfaatan Poliuretan dari Lignin Isolat Serbuk Kayu Hasil Industri Pengolahan Kayu di Medan Tembung sebagai Perekat dalam Pembuatan Plafon Gipsum dengan Pengisi Jerami Padi
(Universitas Sumatera Utara, 2014)The research of polyurethane from lignin isolate of wooden powder from wood processing industry in Medan Tembung as an adhesive in the manufacture of gypsum ceiling with rice straw filler had been done. Lignin isolation ... -
Pemanfaatan Zeolit Alam Sarulla Untuk Menyerap Sulfida Dari Limbah Padat Peternakan di Simalingkar B Medan
(Universitas Sumatera Utara, 2013)Studies have been conducted to show the utilization of natural zeolite Sarulla to absorb sulfide from waste (feces) of pigs in Simalingkar B Medan. The example of natural zeolite was taken randomly from Simangumban, Sarulla, ... -
Studi Pemanfaatan Limbah Ikan Dari Tempat Pelelangan Ikan (TPI) dan Pasar Tradisional Sibolga Sebagai Bahan Baku Kompos
(Universitas Sumatera Utara, 2013)This thesis deals with a research on composting of waste fish in the fish auction (TPI) and traditional markets in Sibolga. The Composting process used EM4 which has been enabled with drops of cane. During composting, the ... -
Isolasi dan Analisis Kimia Minyak Atsiri Dari Temulawak (Curcuma xanthoriza Roxb) Dengan Gas Kromatografi - Spektrometer Massa (GC–MS) Dan Uji Aktivitas Anti Bakteri
(Universitas Sumatera Utara, 2012)The research for isolation and analysis chemical component essential oil of temulawak (Curcuma xanthoriza Roxb) with GC-MS and anti bacteria activity test by Cork Borer method was conducted. The purposes of this research ... -
Pengujian Sifat Antioksidan Galaktomanan yang Diekstraksi dari Ampas Kelapa
(Universitas Sumatera Utara, 2013)Galactomannan is a carbohydrate compound of polysaccharide class that has been isolated from coconut pulp through extraction method using ethanol solvent and furthermore its activity test is carried out as antioxidant. As ... -
Pengaruh Ekstrak Nenas (Ananas Sativus) Sebagai Koagulan terhadap Kualitas Lembaran Karet
(Universitas Sumatera Utara, 2013)Pineapple (Ananas sativus) extract kept for 1 day (N-5), 3 days (N-4), 5 days (N-3), 7 days (N-2), and 9 days (N-1) as coagulant of natural rubber have been carried out. Coagulation rate of each coagulant has been tested ... -
Pembuatan Shortening yang Mengandung C12-C18 Melalui Reaksi Gliserolisis terhadap Campuran Minyak Inti Sawit dan Stearin
(Universitas Sumatera Utara, 2003)The preparation shortening was conducted by simultaneously glycerolysis and interesterification process of the mixture of palm kernel oil and stearin RBD by stearing on 3500 rpm using sodium methoxide as katalyze. In order ... -
Pemisahan Pufa yang Dihasilkan dari Beberapa Minyak Nabati Secara Fraksinasi Kompleksasi Urea
(Universitas Sumatera Utara, 2009)The use of oil as edible oil or as material for oleochemistry is defended to the kind of fat orchid that closed to the gliserida. Oil with containing fat orchid is not stagnant like linoleic, linolenic and oleic have the ...
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