Master Theses
Master Theses
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Pengaruh Derajat Deasetilasi Kitosan dari Cangkang Belangkas (Tachypleus Gigas) yang Diikat Silang dengan Modifikasi Genipin
(Universitas Sumatera Utara, 2013)Research of the characterization and modification of chitosan cross linking from king crab shells (tachypleus gigas) with genipin. Genipin a cross-linking reagent natural and non-toxic. Tie genipin-crosslinked chitosan ... -
Analisis Gas Kromatografi-Spektrometer Massa (GC-MS) dari Kemenyan Sumatera dengan Teknik Asap Cair dan Esterifikasi
(Universitas Sumatera Utara, 2013)The analysis Gas Chromatography-Mass Spectrometer (GC-MS) of frankincense Sumatera has been carried with liquid smoke and esterification techniques. The technique of liquid smoke has been compared with esterification ... -
Film Layak Makan Protein Whey Dengan Ekstrak Herba Meniran (Phyllanthus Niruri L.) Sebagai Antibakteri
(Universitas Sumatera Utara, 2013)Antibacterial activities of isolate protein whey-based edible film incorporated with meniran extract herba (Phyllanthus niruri L.) at various concentration of 2%, 4%, 6%, 8%, 10% and glycerol (40%, 30% and 20%) on ... -
Aktivitas Anti Bakteri Asap Cair Dari Limbah Kulit Kopi terhadap Bakteri Pembusuk Pada Pisang Sale
(Universitas Sumatera Utara, 2013)This study aims to make liquid smoke from waste coffee peels temperature of 3000C-4000C, 4000C-5000C, and 5000C-6000C, as well as to characterize the liquid smoke leather coffee with GC-MS technique. Then do a test against ... -
Studi Pemanfaatan Kulit Kerang (Andara Ferruginea) sebagai Bahan Pengisi Produk Latex Karet Alam dengan Tehnik Pencelupan
(Universitas Sumatera Utara, 2010)The research of using clam shell as a filler for natural rubber latex, with various additional filler, 2.5 phr, 7.5 phr and 12.5 phr has been studied. Calcium carbonate is used for comparison with the variation of the same ... -
Isolasi dan Analisis Kimia Minyak Atsiri dari Bunga Kecombrang (Etlingera Elatior) dengan Gas Kromatografi-Spektrometer Massa (GC-MS) dan Uji Aktivitas Anti Bakteri
(Universitas Sumatera Utara, 2012)In this study has been treated isolation and analyze its chemical component of volatile oil of Etlingera e. obtained from district of Nang Belawan sub district of Simpang Empat in Karo Regency. The isolated volatile ... -
Optimasi Pembuatan Bioplastik Polihidroksialkanoat dengan Menggunakan Bakteri Mesofilik dan Media Limbah Cair Pabrik Kelapa Sawit
(Universitas Sumatera Utara, 2010)Optimization of production of polyhydroxyalkanoates (PHA) bioplastic using mesophilic bacteria and culture medium from palm oil mill effluent has been investigated. Strain L1 3 1 was cultured in medium from outlet of ... -
Adisi HCl pada Karotenoid dengan Menggunakan Katalis PdCl2
(Universitas Sumatera Utara, 2010)Catalytic addition of dry HCl to carotenoid using PdCl2 as the catalyst has been carried out. Dry HCl was prepared from HCl ( 36% ) and concentrated H2SO4 ( 98% ). The carotenoids used was previously enriched to 3452 ppm ... -
Sifat Antimikroba [2-(Akriloiloksi)Etil] Trimetil Amonium Klorida dan Anhidrida Maleat yang Digrafting pada Permukaan Serat Kapas
(Universitas Sumatera Utara, 2020)Antimicrobial compound of [2-(acryloyloxy)ethyl]-trimethyl ammonium chloride (AETAC) can be bound into polymer backbones to produce various antimicrobial polymeric materials. In this work, cotton cellulose (CCell) fibres ... -
Karakteristik dari Modifikasi Kimia Film Gelatin dengan Formaldehida dan Glutaraldehida
(Universitas Sumatera Utara, 2016)Gelatin contains protein can be used as raw material of film that environmentally friendly. This research has been done film of gelatin with addition of formaldehyde and glutaraldehyde. The film of gelatin were evaluated ... -
Studi Pembudidayaan Ikan Nila (Oreochromis Niloticus) dalam Air Tawar dan dalam Campuran Air Tawar dan Air Laut
(Universitas Sumatera Utara, 2011)A research on the cultivation of tilapia in freshwater and a mixture of freshwater with seawater has done been. Samples of water taken from Lake Toba to freshwater and seawater taken from Sibolga. Tilapia fish farming ... -
Metode Conjugate Gradient dengan Pendekatan Quasi Newton
(Universitas Sumatera Utara, 2011)Conjugate gradient Method is an iteration technique in solving about the li nier equation using the positive definite symmetric coefficient matrix. Line track ing is an important part of optimization to determine the ... -
Pengaruh Viskositas Larutan Kitosan Nanopartikel sebagai Penyalut Asam Askorbat untuk Menyerap Asam Lemak Bebas (ALB) dalam Minyak Goreng Curah
(Universitas Sumatera Utara, 2010)One of chitosan application in health is due to that the chitosan can inhibit fat and cholesterols absorption from diet, as well as reduce body weight. Addition of vitamin C (ascorbic acid) improves fat facial secretion ... -
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 ...
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