Master Theses
Master Theses
Recently added
Now showing items 241-260 of 381
-
Sintesis dan Karakterisasi Sabun Natrium Poliol Stearat Campuran yang Diturunkan dari Minyak Jarak Pagar (Jatropa Curcas Linn)
(Universitas Sumatera Utara, 2010)The making of sodium polyol stearic soap mixture can be obtained by jatropa oil epoxidation using ferformic followed with hydrolisis then continued with safonification by NaOH. Jatropa oil,s extract from jatropa wich is ... -
Pembuatan Komposit Biodegradabel dari ∝ -Selulosa Ampas Tebu Bz 132 (Saccharum Officinarum) dan Polipropilena dengan Menggunakan Polipropilena Tergrafting Maleat Anhidrida dan Divinil Benzena sebagai Agen Pengikat Silang
(Universitas Sumatera Utara, 2012)Research about use of polypropylene grafted maleic anhydride and divinyl benzene as a crosslinking agent in the manufacture of composite biodegradable and α-cellulose from bagasse and polypropylene. The study consisted ... -
Analisa Perubahan Kandungan Nitrit ( NO2 - ) dalam Hasil Rebusan Sayur Bayam Hijau dengan Metode Spektrofotometri
(Universitas Sumatera Utara, 2011)The research has been carried out on the changing of nitrite (NO2-) content in a vegetable stew of green spinach. Vegetable spinach were obtained from Kebun Baru Village farmers, Kecamatan Hamparan Perak, Kabupaten Deli ... -
Analisis Kemurnian Premium dengan Sensor Gas TGS 2620
(Universitas Sumatera Utara, 2010)Premium is a kind of gasoline marketed in Indonesia. Its spesification is based on the regulation issued by General Director of Oil and Petroleum with the number 3674/24/DJM/2006, March 17, 2006, with oetane number ... -
Karakterisasi Film Pelapis Khelat Kalsium Alginat – Kitosan dengan Bahan Pemlastis Gliserol
(Universitas Sumatera Utara, 2009)The making of edible film of Calcium alginate – chitosan has been made by doing interaction between polyanionic alginate and polycationic chitosan with pH 5 – 6 which then dispersion in ion Ca2+. In looking for the influence ... -
Studi Perbandingan Kadar Logam Berat (Fe , Mn , Zn , Pb , Cu , Al ) dan Na pada Debu Erupsi Gunung Sinabung dan Tanah Sebelum Erupsi
(Universitas Sumatera Utara, 2014)Levels of heavy metals contained in the dust from the eruption of Mount Sinabung in Karo land has been analyzed , reference to heavy metals were analyzed include metals Fe , Mn , Zn , Pb , Cu , Al and Na . Each of these ... -
Analisis Kandungan Aluminium (Al), Sulfida, Bod, Cod, Total Padatan Tersuspensi (TSS) dan pH dari Air Sungai Kapal Keruk di Desa Karang Anyer Kec. Secanggang Kab. Langkat
(Universitas Sumatera Utara, 2010)Kapal Keruk,a river situated in Secanggang Distret, Langkat Regency, has been since long used as water source for the dayly consumption of the people living in surrounding areas. Recently, the people complained concerning ... -
Penentuan Kadar Logam Fe, Zn, Cu, Pb, dan N-total di Dalam Sedimen yang Terpadat di Sepanjang Pantai Pagangambatan, Huta Ginjang, Silima Lombu dan Tambun Sukkean di Danau Toba
(Universitas Sumatera Utara, 2010)Have been made research content metal cuprum (Cu), zink (Zn), ferrum (Fe), plumbum (Pb) and N-total aboard sediment contained in throughout beach Pangambatan, Huta Ginjang, Silima Lombu, and Tambun Sukkean in Toba lake. ... -
Studi Penggunaan Amida Asam Lemak Campuran Minyak Kelapa Sebagai Bahan Pengemulsi Lateks Pekat
(Universitas Sumatera Utara, 2010)Fatty acid methyl ester mixture can be made through interesterification reaction between coconut oil and methanol with a catalyst H2SO4(p) at a temperature of 800C for five hours. The result of this mixture of fatty acid ... -
Amidasi Metil Palmitat Menjadi Palmitamida dengan Menggunakan Katalis Nikel
(Universitas Sumatera Utara, 2010)Palmitamide has been synthezied from methyl palmitate and NH3 gas at the pressure of 100 psi and temperature of 180 0C in hexane using nickel catalyst. The FT-IR spectrum showed pressure of two characteristic peaks at 3362 ... -
Pembuatan dan Karakterisasi serta Pengujian Sifat Antimikroba dari Edible Film Kitosan – Tepung Biji Aren sebagai Kemasan Fillet Ikan Salmon
(Universitas Sumatera Utara, 2010)Characterization of antimicrobial activity and physical properties of edible film based on blends of chitosan – aren seed flour 1 : 2 (w/w) ratio had been studied. The agar well diffusion assay showed an antagonist effect ... -
Studi Adsorpsi Kitosan Magnetik Nanopartikel terhadap Logam Krom (Cr) dengan Spektroskopi Serapan Atom
(Universitas Sumatera Utara, 2010)The using chitosan magnetic nanoparticle as adsorbent to decrease chrome(III) ion level with varation of pH, contact time and concentration had been studied. The fisrt step in this study was making nanomagnetic Fe3O4 with ... -
Analisis Karbohidrat Produk Biosintesis pada Buah Terung Belanda Hasil Sambung Pucuk antara Terung Belanda (Chiphomandra betaceae) dengan Rimbang (Solanum torvum swartz)
(Universitas Sumatera Utara, 2010)It has done a grafting between tamarillo (Chiphomandra betaceae) that has shallow roots with turkey berry (Solanum torvum swartz) that has strong roots so that has result a new tamarillo plant. Next to know the effect from ... -
Penyelidikan Umur Simpan Bika Ambon dengan Film Layak Makan Berbasis Pati Ubi Kayu
(Universitas Sumatera Utara, 2010)Research of edible film based on cassava starch and powder of cassava wood, with glycerol as plasticizer, has been done to improve expiry period of "Bika Ambon". This research use Labuza acceleration method to know ... -
Pembuatan Bahan Surfaktan Kosmetika Melalui Modifikasi Kimia dari Kitosan Menjadi Kitosan Palmitat
(Universitas Sumatera Utara, 2010)Kitosan compound what does our life benefit via chemical modification. In this research the kitosan is transformation to kitosan palmitat as material as surfaktan cosmetics. Kitosan palmitat makings is done with ... -
Isolasi dan Anlisis Komponen Kimia Minyak Atsiri Dari Daun Kesturi (Citrus Microcarpa B.) dengan GC – MS dan Uji Antimikroba
(Universitas Sumatera Utara, 2014)This research was carried out with a laboratory scale. As research material used fresh musk leaves (Citrus microcarpa B). The treatment is done is isolate the leaf essential oil of musk, this is done by water distillation ... -
Studi Penggunaan Amida Asam Lemak Campuran dari Minyak Inti Sawit sebagai Bahan Surfaktan Lateks Pekat Karet Alam
(Universitas Sumatera Utara, 2010)The making of Surfactant is done by reacted Palm Kernel Oil (PKO) with methanol by using H2SO4 (p) as catalyst. Methyl ester fatty acid mixture formed reacted with urea prodeced result of fatty acid amide mixture. The ... -
Studi Bahan Bakar Biodiesel Diperoleh dari Reaksi Trigliserida Minyak Goreng Sawit / Etanol dalam Katalis Basa
(Universitas Sumatera Utara, 2010)Fossil fuel consumption are increasing rapidly and has increased, while fossil fuel reserves are limited, research is directed towards alternative renewable fuels. A potensial diesel fuel substitute is biodiesel. On this ... -
Pengaruh Berat Molekul Kitosan Nanopartikel sebagai Penyalut Vitamin E untuk Menyerap Asam Lemak Bebas (ALB) dalam Minyak Goreng Curah
(Universitas Sumatera Utara, 2010)Chitosan is one of the medium which is used as absorber of free fatty acids in palm oil. The making of chitosan nanoparticles is intended to make the absorbtive power of the chitosan effective on the free fatty acids in ... -
Analisis Karbon Monoksida (CO) dalam Emisi Gas Buang Kendaraan Bermotor dengan Sensor Gas Semikonduktor
(Universitas Sumatera Utara, 2010)Quantitative analysis has been done carbon monoxide (CO) gas in exhaust gas emissions of motor vehicles. This research was conducted to measure the gas concentration CO from exhaust gas CO kijang cars that have different ...