Browsing Skripsi Sarjana by Submit Date
Now showing items 1-20 of 245
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Pembuatan Membran Kitosan Polivinil Alkohol Sebagai Adsorben untuk Menurunkan Kadar Logam Nikel (Ni) dan Krom (Cr)
(Universitas Sumatera Utara, 2017)Has been done the research product of chitosan polyvinyl alcohol as absorbent to reduce of Ni metal and Cr metal. PVA is one type of polymer material that has a permeability able to form of film and able of binding of ... -
Analisis Kandungan Nitrat (NO3-) dalam Selada Hijau (Lactuca sativa L.) Konvensional dan Selada Hijau (Lactuca sativa L.) Hidroponik yang Dipasarkan di Kota Medan dengan Metode Spektrofotometri UV-Visible
(Universitas Sumatera Utara, 2017)The nitrate (NO3-) content in the conventional green lettuce and hydroponic green lettuce has been analysed. Conventional green lettuce samples were taken by some markets in Medan. Hydroponic green lettuce samples were ... -
Penggunaan Kitosan CuO Sebagai Adsorben untuk Menurunkan Kadar Logam Besi (Fe) dan Zink (Zn) pada Air Danau Toba Kecamatan Haranggaol Kabupaten Simalungun Sumatera Utara
(Universitas Sumatera Utara, 2017)Research to modification and use commercial chitosan into chitosan CuO has been done as an adsorbent to reduce concentration of Fe and Zn. In this research, preceded by making chitosan CuO by dissolving commercial chitosan ... -
Biodeinking Kertas Koran Bekas Menggunakan Enzim Selulase yang Diisolasi dari Pankreas Keong Mas (Pomacea caniculata)
(Universitas Sumatera Utara, 2017)Biodeinking waste old newspaper by use cellulase enzyme from pancreas of golden snail (Pomacea caniculata) has been done by taking enzyme from pancreas and then purified by coagulation with addition ammoium sulfate with ... -
Isolasi Senyawa Flavonoida dari Daun Tumbuhan Mawar Merah (Rosa hybrida L.)
(Universitas Sumatera Utara, 2017)Isolation of flavonoida compound from leaves of red roses (Rosa hybrida L.) was performed by extraction maceration using methanol solvent then filtered and concentrated. Concentrated methanol extract was extracted using ... -
Isolasi Nanoserat Selulosa dari Tandan Kosong Sawit Menggunakan Metode Ledak Uap dan Dihidrolisis dengan HCL 10%
(Universitas Sumatera Utara, 2017)Cellulose nanofibrils were obtained from oil palm empty fruit bunch using steam explosion and hydrolized with 10% hydrochloric acid. Steam explosion coupled with acid hydrolysis pretreatment on the oil palm empty fruit ... -
Pengaruh Waktu Hidrolisis Terhadap Kadar Glukosa Dari α Selulosa Ampas Tebu (Saccharum officanarum L) Menggunakan HCL 15% dan Enzim Selulase yang Diisolasi dari Pankreas Keong Mas (Pomacea caniculata)
(Universitas Sumatera Utara, 2017)Effect of hydrolisis time on glucose concentration from α cellulose sugarcane bagasse (Saccharum officanarum L) use HCl 15 % and cellulase enzyme isolated from golden snail (Pomacea caniculata) has been done by isolated α ... -
Penambahan Pati Sebagai Template pada Kalsium Silikat Yang Digunakan Sebagai Adsorben Bilangan Peroksida Minyak Goreng Bekas
(Universitas Sumatera Utara, 2019)Pore size calcium silicate with the addition of cassava starch as a template has been synthesized. This research was conducted by added sodium silicate to starch and followed by the addition of CaCl2. Calcium silicate ... -
Analisis Komponen Kimia dan Uji Aktivitas Antibakteri Serta Antioksidan Minyak Atsiri Daun Kemangi (O. x africanum Lour.) dari Daerah Tanah Jawa
(Universitas Sumatera Utara, 2019)Essential oil of basil (O. x africanum Lour.) Was isolated by the method of using the tool Stahl hidrodestilasi for 5 hours. Essential oils obtained 0.26% (w/w). The results of GC-MS analysis showed 35 compounds with 9 ... -
Karakterisasi Edible Film dari Campuran Tepung Tapioka, Kitosan, Gliserin, dan Ekstrak Mangga (Mangifera indica L.)
(Universitas Sumatera Utara, 2013)The research had been carried out about characterizing edible film from blends cassava starch, chitosan, mango’s extract (Mangifera indica L.)and glycerin as plasticizer.In this research, edible film was made by blending ... -
Pembuatan Edible Film Pati Sukun (Artocarpus altilis) Termodifikasi dari Proses Asetilasi Menggunakan Asetat Anhidrat
(Universitas Sumatera Utara, 2016)Edible starch acetate films obtained from breadfruit starch modified with acetic anhydride. Manufacture of modified starch acetate by the esterification reaction between starch breadfruit (Artocarpus altilis) with acetic ... -
Penggunaan Matriks Galaktomanan Kolang Kaling (Arenga pinnata) Ikat Silang Fosfat sebagai Pembawa Vitamin E
(Universitas Sumatera Utara, 2015)Matrix of galactomannan kolang-kaling crosslinked phospate (GIF) had obtained from the reaction of GKK with trisodium trimetaphospate at comparing 1:1, 1:2, 1:3, 1:4, 2:1, 3:1, 4:1, 2:3, and 4:3 during 2 hours while stired ... -
Analisis Kadar Sulfat (SO42-) Pada Danau Linting Desa Sibunga-bunga Hilir Kecamatan STM Hulu dengan Metode Turbidimetri
(Universitas Sumatera Utara, 2017)The analysis of the sulphate ion in the lake linting of the sibunga-bunga hilir village sinempah tanjung muda hulu districts with turbidimetry method has been determined. The sample were taken randomly from the lake linting ... -
Pengaruh Penambahan Divinilbenzena Terhadap Sifat Fisik dan Mekanik Papan Partikel Dari Polipropilena yang Difungsionalisasi Dengan Maleat Anhidrat dan Serbuk Batang Kelapa Sawit yang Telah Dialkalisasi
(Universitas Sumatera Utara, 2017)Research to know the physical and mechanical properties of palm oil trunk particle boards, polypropylene, anhydride maleic graft polypropylene, benzoyl peroxide and of weight divinylbenzene variation has been done. Research ... -
Interpenetrasi Jaringan Polimer Poliuretan / Karet Sintesis Ethylene Propylene Diene Monomer (EPDM) dengan Menggunakan Serat Batang Melinjo (gnetum gnemon) Sebagai Bahan Pengisi Terhadap Daya Redam Suara
(Universitas Sumatera Utara, 2017)Polymer network interpenetration has been shyntesized by using ethylene propylene diene monomer (EPDM) shyntetic rubber and polyurethane (PU) simultaneously then meinjo fibre was added as filler to produce IPN composite. ... -
Studi Perbandingan Penggunaan Elektroda Besi (Fe), Aluminium (Al), Karbon (C), dan Emas (Au) Untuk Menurunkan Kadar Amonia secara Elektrolisis di dalam Air Sungai/Parit Emas
(Universitas Sumatera Utara, 2016)The research has done on a comperative study of the use aluminium (Al), iron (Fe), carbon (C), and gold (Au) electrode to reduce ammonia content with electrolysis in the river/ditch gold water. A sample of water taken ... -
Sintesis Senyawa 1-(2-aminoetilamino)-3-(4-alil-2metoksifenoksi)propan-2-ol dari Eugenol Melalui Eterifikasi Menggunakan Epiklorohidrin Diikuti Aminasi dengan Etilendiamina
(Universitas Sumatera Utara, 2017)1-(2-aminoethylamino)-3-(4-allyl-2-metoxyphenoxy)propane-2-ol compound had been synthesized from eugenol by etherification of sodium eugenolat with epichlorohydrin at temperature 117oC-118oC for 4 hours followed by in-situ ... -
Pengaruh Penambahan Asam Oleat dan Asam Palmitat terhadap Ukuran Pori Silika dari Hasil Ekstraksi Silika Abu Boiler Pabrik Minyak Kelapa Sawit
(Universitas Sumatera Utara, 2017)Extraction of silica has made from boiler ash processing of palm oil by using varying concentrations of NaOH to increase yield of silica in a row from 7 N, 8N, and 9 N. and the obtained results are recpectively as 39.20%, ... -
Penentuan Aktivitas Spesifik Enzim Bromelin yang Diisolasi dari Bonggol Nanas (Ananas comosus L)
(Universitas Sumatera Utara, 2017)A research was done to determine optimum conditions of bromelin enzyme isolated from pineapple weevil. Bromelain enzyme is proteolytic enzyme contained in pineapple (Ananas comosus L). Isolation of bromelain enzyme was ... -
Uji Skrining Fitokimia, Ativitas Antioksidan dan Antibakteri Ekstrak Metanol Daun Benalu Mengkudu (Dendrophthoe pentandra (L.) Miq)
(Universitas Sumatera Utara, 2017)The experiment had been done about phytochemical screening activity of antibacterial and antioxidant from methanol extract by noni parasitic plant (Dendrophthoe pentandra (L.) Miq.). The powder of noni parasitic plant ...