Browsing A - Mathematics and Natural Sciences by Issue Date
Now showing items 101-120 of 501
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Esterification of oil adsorbed on palm decanter cake into methyl ester using sulfonated rice husk ash as heterogeneous acid catalyst
(AIP Publishing, 2017-02-15)Palm Decanter cake (PDC) which is categorized as the waste from palm oil mill has been found to contain residual crude palm oil. The oil adsorbed on the PDC (PDC-oil) can be extracted and potentially used as feedstock for ... -
2017 AIP Conference Proceedings 1813 Esterification of Oil Adsorbed on Palm Decanter Cake into Methyl Ester using Sulfonated Rice Husk Ash as Heterogeneous Acid Catalyst
(2017-02-15)Palm Decanter cake (PDC) which is categorized as the waste from palm oil mill has been found to contain residual crude palm oil. The oil adsorbed on the PDC (PDC-oil) can be extracted and potentially used as feedstock ... -
PENENTUAN KADAR ASAM AMINO ESENSIAL (METIONIN, LEUSIN, ISOLEUSIN DAN LISIN) PADA TELUR PENYU DAN TELUR BEBEK
(Jurnal Kimia Mulawarman, 2017-05)ABSTRACT Determination of amino acids essential’s content (methionine, leucine, isoleucine and lysine) on turtle eggs and duck eggs. Turtle eggs and duck eggs are a high animal protein source and easy to obtain. ... -
PENENTUAN KADAR ASAM AMINO ESENSIAL (METIONIN, LEUSIN, ISOLEUSIN DAN LISIN) PADA TELUR PENYU DAN TELUR BEBEK
(Jurnal Kimia Mulawarman, 2017-05)ABSTRACT Determination of amino acids essential’s content (methionine, leucine, isoleucine and lysine) on turtle eggs and duck eggs. Turtle eggs and duck eggs are a high animal protein source and easy to obtain. ... -
Preparation of Spent Bleaching Earth-Supported Calcium from Limestone as Catalyst in Transesterification of Waste Frying Oil.
(Jurnal Bahan Alam Terbarukan, 2017-05) -
2017 JBAT PREPARATION_OF_SPENT_BLEACHING_EARTH-SUPPORTED_CAL
(2017-06)An investigation was conducted on palm oil refinery waste-spent bleaching earth (POR-SBE), POR-SBE supported by calcium as catalysts for methyl esters production through transesterification process using waste frying ... -
Collaborative Management Design For The Mahakam Lakes Based On Problem Identification And Its Socio-Economic And Ecological Functions
(INTERNATIONAL JOURNAL OF SCIENTIFIC & TECHNOLOGY RESEARCH (IJSTR), 2017-06-06)Abstract: Lake area in Mahakam river basin, which covers 89 719 ha had not only the fuction as a direct life support, but also has a variety of ecological functions such as flood control, prevention of erosion, pollution, ... -
Traditional Usages of Taro (Colocasia spp.) by Ethnic Communities in Borneo
(2017-08-17)Abstract Borneo has a a wealth of various flora, including the Aroids (Araceae). Taro is one of the Aroids that cultivated and used as food crop since a long time ago by the people in Borneo. This study aimed to determine ... -
ANALISIS STRUKTUR DAN KOMPOSISI HUTAN TANJUNG UNA UNTUK MENDUKUNG TAMAN HABITAT BEKANTAN (Nasalis larvatus Wurmb.) DI KAWASAN DELTA MAHAKAM
(Fakultas Geografi UGM, 2017-09-26)Pengelolaan hutan yang dilaksanakan selama ini telah menyebabkan degradasi hutan yang berdampak pada perlunya upaya pelestarian satwaliar di berbagai ekosistem habitat hujan tropika. Salah satu jenis primata yang perlu ... -
KEANEKARAGAMAN IKAN DAN FAKTOR KONDISI BEBERAPA IKAN PAKAN PESUT MAHAKAM (ORCAELLA BREVIROSTRIS) DI DANAU NGAYAN MUARA KAMAN KUTAI KARTANEGARA KALIMANTAN TIMUR
(Fakultas Geografi Universitas Gadjah Mada, 2017-09-29)ABSTRAK Reservat Danau Ngayan (Muara Kaman, Kukar, Kalimantan Timur) mempunyai arti yang penting sebagai sumber mata pencaharian, dan feeding ground Pesut Mahakam (Orcaella brevirostris). Meningkatnya aktivitas ... -
BIOACTIVITY TEST OF COMPOUND (Hexa-Tetra Contana) FROM SPONGE (Callyspongia pseudoreticulata) AS ANTIBACTERIAL OF WITHERED DISEASE ON POTATO PLANT (Ralstonia solanacearum)
(International Journal of Pharma and Bio Sciences, 2017-10)Sponge is one of the marine organisms of coral reefs that is able to produce secondary metabolite compounds with varieties of bioactivity and structural variations; one of its biological activities is as an antimicrobial. ... -
POTENSI ANTIJAMUR EKSTRAK METANOL DAUN MANGROVE RHIZOPORA MUCRONATA TERHADAP JAMUR CANDIDA ALBICANS DAN ASPERGILLUS NIGER
(Jurnal Kimia Mulawarman, 2017-11)andida Albicans and Aspergillus Niger are some of the infectious fungi. Empirically bark, flower, root and mangrove leaves Rhizophora mucronata can be a hepatitis drug. This study aims to determine the antifungal potential ... -
Kandungan metabolit sekunder dan kadar eugenol ekstrak etanol dan aquades daun sirih merah (Piper crocatum) dan sirih hijau (Piper betle L.).
(Program Studi Pendidikan Kimia FKIP Unmul, 2017-11-04)Kandungan metabolit sekunder dalam sirih merah dan sirih hijau diekstraksi menggunakan etanol dan aquades. Beberapa senyawa teridentifikasi dalam kuantitas yang beragam. Pelarut etanol lebih efektif dibandingkan dengan ... -
2017 J Atomik Putu ETHANOL PRODUCTION FROM TUBER GANYONG (Canna Edulis Kerr.) BY Saccharomyces cerevisiae WITH THE ADDITION OF Spirulina Sp.
(2017-11-29)This study demonstates the potential of starch tuber ganyong (Canna edulis Kerr.) as a substance for making ethanol by Saccharomyces cerevisiae with microalgae addition of Spirulina sp. as a source of nutrients in ... -
2018 J Atomik Hariati SINTESIS KARBON AKTIF CANGKANG JENGKOL (Pithecellobium lobatum) DENGAN BANTUAN ULTRASONIK SEBAGAI BAHAN PENYIMPAN ENERGI ELEKTROKIMIA
(2017-11-29)Research on the synthesis of activated carbon from jengkol shells (Pithecellobium lobatum) with the help of ultrasonic waves as an electrochemical energy storage material has been done. The activated carbon from jengkol shells ... -
2018 J ATOMIK Irma SINTESIS SILIKA DARI ABU SEKAM PADI TERMODIFIKASI 2-MERKAPTOBENZOTIAZOL UNTUK ADSORPSI ION LOGAM Cd2+ DAN Cr6+
(2017-11-29)A study on the adsorption of Cd2+ ion using silica gel modified with 2-mercaptobenzothiazole (MBT) from rice husk ash has been conducted. The modification of silica gel with MBT was conducted by several steps namely, sample ... -
INDIKATOR ASAM BASA DARI EKSTRAK ETANOL PUCUK DAUN PUCUK MERAH (Syzygium oleana)
(JKPK (JURNAL KIMIA DAN PENDIDIKAN KIMIA), 2017-12)Praktikum indikator asam basa alami biasanya dilakukan dengan mengekstrak bahan alam dengan pelarut tertentu, menguji ekstrak dengan berbagai macam larutan asam, basa dan netral, mencatat perubahan warnanya, menyimpulkan ...