Browsing Skripsi Sarjana by Submit Date
Now showing items 1-20 of 204
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Kinerja Elektroda Besi (Fe) /Grafena Berlapis Nano pada Anoda Baterai Primer
(Universitas Sumatera Utara, 2019)Research on Performance of Electrode Iron (Fe) /Graphene Nano Sheets on Prymarry Battery Anode a was carried out. The Purposes of this research are to know and evaluate performance of Graphne Nano Sheets (GNS) and Fe/GNS ... -
Kinerja Elektroda Baterai Primer Berbahan Non-Logam (Grafit/Grafena, Grafit/N-Grafena dan Grafena/N-Grafena)
(Universitas Sumatera Utara, 2019)Research on the performance of Graphite Graphene, Graphite/N-Graphene and Graphene/N-Graphene as electrodes at the cathode as primary has been done. The purpose of this study are to find out how to prepare electrodes on ... -
Elektrolisis Limbah Cair Industri Pelapisan Logam dengan Menggunakan Elektroda Karbon untuk Menurunkan Kadar Logam Kromium (Cr), Zink (Zn), dan Kadmium (Cd)
(Universitas Sumatera Utara, 2019)The liquid waste of the metal coating industry contains dangerous and toxic metals so that the concentration must be reduced before being discharged into the water. The chemical method commonly used is by adding Poly ... -
Pembuatan Hidrogel Semi Jaringan Polimer Interpenetrasi dari Mikrokristalin Selulosa Sekam Padi
(Universitas Sumatera Utara, 2019)Researched on the preparation of semi interpenetrating polymer network hydrogel based cellulose of microcrystallyn cellulose from rice husk with crosslinking method through modification of formation interpenetrating polymer. ... -
Studi Interaksi Li/Grafena Berlapis Nano dan Na/Grafena Berlapis Nano Menggunakan Difraksi Sinar-X
(Universitas Sumatera Utara, 2019)Research about interaction study of Li/Graphene Nano Sheets and Na/Graphene Nano Sheets analyzed with X-ray difraction has been done. The purposes of this research are to know the interaction between Li and Na on Graphene ... -
Campuran Garam Pb dan Fe Terlarut Turunan Abu Vulkanik Gunung Sinabung Mengkatalisis Esterifikasi 1,2-Propanadiol dengan Asam Palmitat
(Universitas Sumatera Utara, 2019)One of the.ester has been sybthesized from esterification 1,2-propanediol with palmitic acid using catalyst Pb and Fe mixed salt from volcanic ash from Mount Sianbung. The mashed volcanic ash reacted with aquaregia solution ... -
Pengaruh Penambahan Kitosan Terhadap Porositas Kalsium Silikat Sekam Padi yang Digunakan Sebagai Adsorben Asam Lemak Bebas Minyak Kelapa Sawit
(Universitas Sumatera Utara, 2019)Research has been conducted on the formation of calcium silicate rice husk pores with and without the addition of chitosan as a template. Sodium silicate obtained from rice husk is added to the chitosan solution and ... -
Sintesis Basa Schiff dari Hasil Kondensasi Pati Dialdehid dengan Dietilentriamin Serta Uji Aktivitas Antibakteri
(Universitas Sumatera Utara, 2019)Synthesis of Schiff bases have been made through a condensation reaction of dialdehyde starch which has the highest degree of oxidation with diethylene triamine as a source of primary amines. Dialdehyde starch is obtained ... -
Isolasi Nanoserat Selulosa dari Tandan Kosong Sawit dengan Metode Ledak Uap untuk Pembuatan Film Nanokomposit Selulosa/Grafena Oksida
(Universitas Sumatera Utara, 2019)Cellulose/graphene oxide nanocomposite film was produced by utilizing the cellulose from oil palm empty fruit bunches, which was obtained using steam explosion method. Cellulose nanofiber was prepared by using ultrasonic ... -
Isolasi Dan Karakterisasi Bakteri Endofit dari Tanaman Kunyit Mangga (Curcuma Mangga Valeton & Van Zijp) yang Berpotensi Sebagai Antibakteri
(Universitas Sumatera Utara, 2019)Isolation of endophytic bacteria from mango turmeric plants (Curcuma Valeton & Van Zijp Mango) from leaves, stems and rhizomes. Isolation of endophytic bacteria from mango turmeric plants using the plant piece method and ... -
Studi Interaksi Besi (Fe) dan Magnesium (Mg) Didalam Grafena Berlapis Nano Menggunakan Difraksi Sinar-X
(Universitas Sumatera Utara, 2019)Research on study interaction Iron (Fe) and Magnesium (Mg) on Graphene Nanosheets with X-Ray Diffraction has been done. The purposes of this research are to know interaction between Fe and Mg on Graphene Nanosheets (GNS), ... -
Pembuatan Polimer Superabsorben dari Karboksimetil Selulosa (KMS), Pati Sukun (Artocarpus altilis) dan ZnCl2 Sebagai Agen Pengikat Silang
(Universitas Sumatera Utara, 2019)Superabsorbent Polymers (SAP) made with Carboxymethyl Cellulose (CMC) in the form of NaKMS, breadfruit starch (Artocarpus altilis) and ZnCl2 as Crosslinking agents. NaKMS was crosslinked first with ZnCl2 with variations ... -
Sintesis Dietilen Triamin Kitosan Melalui Reaksi Epoksi Kitosan Benzaldehid dengan Dietilen Triamin Serta Uji Aktivitasnya Sebagai Antibakteri
(Universitas Sumatera Utara, 2019)Diethylene triamine derivate of chitosan has been synthesized through epoxy chitosan benzaldehyde reaction with diethylene triamine. The product contains amino functional groups, secondary amine and polar hydroxyl groups ... -
Sintesis Basa Schiff dari Hasil Kondensasi Etilendiamin dengan Pati Dialdehid dan Uji Aktivitasnya Sebagai Antibakteri
(Universitas Sumatera Utara, 2019)Schiff base synthesis has been carried out through a condendation reaction from dialdehyde starch with ethylenediamine as the primary amine source. Dialdehyde starch was obtained by oxidizing the isolated starch from potato ... -
Analisis Kandungan Timbal (Pb) pada Permen dan Bungkus Permen yang Sering Dikonsumsi oleh Anak-anak Kecil Secara Spektroskopi Serapan Atom (SSA)
(Universitas Sumatera Utara, 2016)It has been carried out the analysis of lead (Pb) in candies and candy packages. This candy is often consumed by small children. Samples taken from a minimarket. Samples of candies and candy packages Destruction for sample ... -
Optimasi PH dan Suhu pada Pembuatan Virgin Coconut Oil dengan Penambahan Ekstrak Bonggol Nanas (Ananas Comosus)
(2017)Optimasi pH dan suhu pada pembuatan Virgin Coconut Oil dengan penambahan ekstrak bonggol nanas telah dilakukan. Variabel yang diteliti adalah variasi pH yaitu 6; 6,5; 7; 7,5 dan 8 serta variasi suhu yaitu 40°C, 45°C, ... -
Oksidasi 1,2,3 Propanatriol dengan Molekul Oksigen Menggunakan Katalis Pd/yAl2-O3 dalam Pelarut Air
(Universitas Sumatera Utara, 2009)Telah dilakukan oksidasi terhadap 1,2,3-Propanatriol dengan menggunakan molekul oksigen yang dikatalisis oleh katalis heterogen Pd/γ-Al2O3 dalam pelarut air menghasilkan asam gliserat ( 32,62 % ). Asam gliserat yang terbentuk ... -
Pengaruh Waktu Penyeduhan Bubuk Teh Hijau Kepala Djenggot Terhadap Kadar Tanin dari Air Seduhan Bubuk Teh Hijau Kepala Djenggot
(Universitas Sumatera Utara, 2009)Telah dilakukan penentuan kadar tanin dari air seduhan bubuk teh hijau merek kepala djenggot. Tanin dalam bubuk teh hijau kepala djenggot diekstraksi dengan air panas dengan variasi waktu penyeduhan 4; 6; 8; dan 10 menit ... -
Pembuatan Polimer Superabsorben dari Karboksimetil Selulosa, Pati Biji Nangka dan Alumunium Sulfat Sebagai Agen Pengikat Silang
(Universitas Sumatera Utara, 2019)The superabsorbent polymer has the ability to absorb more water than its dry weight and has a cross-linked structure so it is difficult to dissolve in water . The superabsorbent research has been carried out by crosslinking ... -
Efektivitas Penggunaan Air Leri dalam Menurunkan Kadar Formalin pada Produk Makanan Tahu
(Universitas Sumatera Utara, 2019)The effectiveness of leri water in reducing the levels of formaldehyde contained in tofu food products has been carried out. The tofu sample used was formalin soaked tofu for 1 hour. Immersion of formalin tofu samples was ...