Undergraduate Theses
Undergraduate Theses
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Karakteristik Sensor Berbasis Kitosan/Tembaga II Oksida (CuO) dalam Mendeteksi Konsentrasi Aseton dengan Amperometri
(Universitas Sumatera Utara, 2024)Research has been done on the characteristics of sensors based on chitosan/Copper II Oxide (CuO) in detecting acetone concentrations using the amperometric method. The effect of copper II oxide addition on chitosan film ... -
Sensitivitas Elektroda Termodifikasi Kitosan/Grafena Oksida Tereduksi/Serium Oksida Dalam Mendeteksi Konsentrasi Epinefrin
(Universitas Sumatera Utara, 2024)In this research, chitosan/reduced graphene oxide (rGO)/cerium oxide (CeO2) modified electrodes have been successful in detecting epinephrine using the cyclic voltammetry method. The addition of cerium oxide is considered ... -
Karakterisasi Komposit dari Paduan EPDM/NR SIR-20 dengan Pengisi Serbuk Tanah Liat (Clay) sebagai Peredam Benturan Pintu Kendaraan (Weather Strip)
(Universitas Sumatera Utara, 2024)Composite research of EPDM/NR SIR-20 alloy with the addition of clay powder as a filler used as a car door impact absorber (weather strip). The weather strip was prepared by mixing SIR-20 natural rubber with EPDM synthetic ... -
Modifikasi Campuran Aspal Limbah Plastik Bekas Polipropilena Melalui Uji Marshal
(Universitas Sumatera Utara, 2024)Plastic waste is one source of environmental pollution in the world. The use of used plastic waste as a mixture for asphalt in road construction has become an interesting research focus in the field of chemistry. The use ... -
Pembuatan dan Karakterisasi Bioplastik Pati Biji Durian (Durio Zibethinus) dengan CMC, Kitosan dan Plastisizer Gliserol dengan Penambhan TiO2 sebagai Filler
(Universitas Sumatera Utara, 2024)The manufacture of durian seed starch bioplastics CMC, chitosan and glycerol with the addition of TiO2 as filler and the manufacture of durian seed starch bioplastics chitosan and glycerol with the addition of TiO2 as ... -
Sintesis Natrium Pati Sulfat dari Pati Ubi Kayu (Manihot esculenta) Menggunakan Asam Sulfat dalam Pelarut Etanol
(Universitas Sumatera Utara, 2024)Sodium starch sulfate was obtained from cassava starch (Manihot esculenta), which was synthesized through the sulfation reaction using 98% H2SO4 in ethanol solvent. This research was conducted in two stages, namely, isolation ... -
Sensitivitas Elektroda Berbasis Grafena Oksida Tereduksi/Kitosan/Titanium Dioksida Dalam Mendeteksi Kolesterol Dengan Siklik Voltametri
(Universitas Sumatera Utara, 2024)In this research, chitosan/reduced graphene oxide(rGO)/titanium dioxide (TiO2) modified electrodes have been successful in detecting cholesterol using the cyclic voltammetric method. The addition of titanium dioxide is ... -
Sensitivitas Elektroda Termodifikasi Kitosan/Grafena Oksida Tereduksi/Fe3O4 dalam Mendeteksi Kolesterol
(Universitas Sumatera Utara, 2024)In this research, the chitosan/rGO/Fe3O4 modified electrode has been successfully carried out in detecting cholesterol using the cyclic voltammetry method. The chitosan/rGO/Fe3O4 electrode was fabricated using the ... -
Pengaruh Variasi Penambahan Zat Aditif TiO2/ZnO dan Lilin Lebah (Beeswax) Terhadap Karakteristik Bioplastik Alginat-CMC-Sorbitol
(Universitas Sumatera Utara, 2024)The manufacture of alginate-CMC-sorbitol bioplastics and the manufacture of alginate-CMC-sorbitol-Beeswax bioplastics (Beeswax) with the manufacture of alginate-CMC-sorbitol bioplastics with TiO2/ZnO additives has been ... -
Sintesis Dan Karakterisasi Komposit Termoplastik Berbasis Lignin Tergrafting Polistirena Dengan Metode Polimerisasi Radikal Transfer Atom
(Universitas Sumatera Utara, 2024)This research examines the synthesis process and characterization of lignin-based thermoplastic composites grafted with polystyrene. This research was carried out to combine the two properties of lignin and polystyrene ... -
Isolasi dan Identifikasi Golongan Senyawa Flavonoida dari Buah Turi Merah (Sesbania grandiflora (L.) Poir)
(2024)Isolation of flavonoida compounds contained in red turi fruit (Sesbania grandiflora (L.) Poir) had been carried out by maceration extraction method using methanol solvent. The methanol concentrated extract was then ... -
Adsorpsi Zat Warna Congo Red menggunakan Adsorben Berbahan Dasar Pati Sagu dan Karboksimetil Selulosa Menurut Persamaan Langmuir dan Freundlich
(Universitas Sumatera Utara, 2024-12-30)Research on adsorbents from sago starch and carboxymethyl cellulose with aluminum sulfate and boric acid cross-binding agents applied to the adsorption of congo red dye. This study aims to determine the equilibrium time ... -
Evaluasi Penggunaan Komposit Selulosa Asetat/Karbon Dots sebagai Bahan Pelepasan Obat
(Universitas Sumatera Utara, 2024)Composite materials of cellulose acetate with Carbon Dots (CDs) offer significant potential as efficient drug delivery systems. This study evaluates cellulose acetate/CDs (CA/CDs) composites as drug release materials by ... -
Sintesis 2-Etilheksil Oleat dari Esterifikasi 2-Etilheksil Alkohol dan Asam Oleat pada Perbandingan Rasio Molar dan Berat Enzim Lipase Menggunakan Radiasi Mikrowave
(Universitas Sumatera Utara, 2024)Synthesis of 2-Ethylhexyl Oleate from oleic acid and 2-ethylhexyl alcohol through esterification reaction using lipase enzyme as catalyst and microwave radiation has been conducted. The reaction conditions carried out in ... -
Pembuatan 2-Etilheksil Oleat dari Esterifikasi 2-Etilheksil Alkohol dan Asam Oleat pada Perbandingan Waktu Reaksi dan Daya Mikrowave Menggunakan Katalis Enzim Lipase
(Universitas Sumatera Utara, 2024)The production of 2-Ethylhexyl Oleate from oleic acid and 2-Ethylhexyl alcohol has been performed through esterification reaction using lipase enzyme as catalyst and microwave radiation. The parameters studied in this ... -
Isolasi dan Identifkasi Golongan Senyawa Flavonoida dari Daun Asam Jawa (Tamarindus Indica L.)
(Universitas Sumatera Utara, 2024)Isolation and identification of flavonoid compounds from Tamarind leaves (Tamarindus indica L) have been carried out. Isolation was carried out using a maceration extraction stage with methanol solvent. The methanol ... -
Isolasi dan Identifikasi Golongan Senyawa Flavonoida dari Buah Murbei Merah (Morus Rubra L.)
(Universitas Sumatera Utara, 2024)Isolation and identification of flavonoid compounds from red mulberry fruit (Morus rubra L.) has been carried out through several stages, namely maceration extraction with methanol solvent, dissolving with distilled ... -
Pengaruh Penambahan Asam Borat dan Ammonium Polifosfat sebagai Bahan Penghambat Api pada Pembuatan Komposit Kayu Plastik dari Polipropilena-Serbuk Pelepah Kelapa Sawit
(Universitas Sumatera Utara, 2024)Research on the manufacture of plastic wood composites from polypropylene-oil palm frond powder (SPS) with the addition of AB/APP fire retardant has been carried out and this study aims to improve its resistance to fire. ... -
Pembuatan Metil Ester Asam Lemak dari Minyak Sawit melalui Reaksi Transesterifikasi pada Variasi Berat Katalis K2O/SiO2
(Universitas Sumatera Utara, 2024)The production of fatty acid methyl esters from palm oil has been conducted using transesterification reactions, utilizing a catalyst derived from solid waste sludge from the PDAM. The sludge that has been cleaned and dried ... -
Pemanfaatan Kulit Jengkol sebagai Prekursor dalam Sintesis Carbon Dots Doping Sulfur Menggunakan Metode Hidrotermal
(Universitas Sumatera Utara, 2024)The use of jengkol peel which contains phytochemical compounds as a precursor in making carbon dots using the hydrothermal method, and with the addition of sodium disulfite as sulfur doping has been carried out. Synthesis ...
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