Browsing Master Theses by Title
Now showing items 1-10 of 374
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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 ... -
Aktivitas Alkaloid dari Buah Terung Belanda (Solanum betaceum) Hasil Sambung Pucuk dengan Lancing (Solanum mauritianum) terhadap Tingkat Kehamilan Mencit (Mus musculus)
(Universitas Sumatera Utara, 2011)An investigation of the activities alcaloide from Tamarillo (Solanum betaceum) grafting with Bugweed (Solanum mauritianum) on pregnancy rate of mice (Mus musculus) was carried out. Solasodine of pea Eggplant was extracted ... -
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 ... -
Aktivitas Antioksidan dan Antibakteri dari Ekstrak Daun Eucalyptus (Eucalyptus pellita) serta Isolasi Senyawa Flavonoid
(Universitas Sumatera Utara, 2024)Eucalyptus pellita is one of the species from the Myrtaceae family that is considered a potential allelopath. This study aims to test the bioactivity and isolate flavonoid compound from E. pellita leaf extract. E. pellita ... -
Amidasi Etil P-Metoksisinamat yang Diisolasi dari Kencur (Kaempferia Galanga, Linn)
(Universitas Sumatera Utara, 2009)Pada penelitian telah dilakukan isolasi etil p-metoksisinamat dari kencur (Kaempferia Galanga, Linn) dalam 5 Kg rimpang kencur didapat 9,5 g Kristal etil p-metoksi sinamat. Kristal ini telah dikarakterisasi melalui analisis ... -
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 ... -
Aminasi Asam Azelat Via Reduksi dengan Hidrogen memakai Katalis Nikel
(Universitas Sumatera Utara, 2009)Amination reaction of azelaic acid included with reaction of an amide formation, in used ammonia pressure with Nickel catalysts and occurred on temperature 180 oC for 5 hours. The product of amide compound mixed in a pyrex ... -
Analisa Komposisi Minyak Atsiri Bunga Jotang (spilanthes paniculata) dengan Menggunakan Spektrometer GC‐MS
(Universitas Sumatera Utara, 2010)On the flower bud of Jotang (Spilantes paniculata) there is Essential Oil that extracted by vapor distilation using Stahl. The composition of compound determined by GC-MS analysis and be fregmanted. On GC-MS spectrum, the ... -
Analisa Logam Berat Timbal, Besi, Kadmium dan Zinkum dalam Lindi Hitam (Black Liquor) pada Industri Pulp Proses Kraft dengan Menggunakan Metode Spektrofotometri Serapan Atom (SSA)
(Universitas Sumatera Utara, 2007)Pulp is made by dissolving wood with NaOH and Na2S solutions which produced is called black liquor. Black liquor containing metals which come from woods and chemicals. There is a need for measure their concentration ... -
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 ...