Browsing A - Mathematics and Natural Sciences by Subject "Jurnal Nasional Terakreditasi"
Now showing items 1-9 of 9
-
2016 JKM Noor H RICE HUSK SILICA-COATED MAGNETIC PARTICLES AS A LOW COST SUPPORT MATERIAL FOR CRUDE Pseudomonas aeruginosa LIPASE IMMOBILIZATION
(2016-11-14)In this research, lipase produced from the bacteria Pseudomonas aeruginosa was immobilized on rice husk silica-coated Fe3O4 nanoparticles. The process included the following steps: preparation of magnetic ferosoferic ... -
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 ... -
2018 JKM wiki IMPREGNATION AND CHARACTERIZATION OF K-DEOILED SPENT BLEACHING EARTH (K-DSBE) WITH WET METHOD
(2018-05-02)In this research, KOH has been impregnated on Deoiled Spent Bleaching Earth (DSBE) with wet method as a catayst. KOH was impregnated on DSBE of 40 % and 60 % (w/w), then characterized using XRay Flourescence (XRF), X-Ray ... -
2019 Alchemy Validasi Metode Penentuan Benzena, Toluena dan Xilena pada Sampel Udara dan Tanah Menggunakan Kromatografi Gas
(2019-03-01)Penelitian tentang validasi metode penentuan kadar benzena, toluena dan xilena pada sampel udara dan tanah dengan menggunakan kromatografi gas telah dilakukan. Untuk mendapatkan hasil pengukuran yang valid, beberapa ... -
2019 JBAT Modification of Spent Bleaching Earth with WO3 and the Application for Photocatalytic Degradation of Waste Dyestuff under Solar Light
(2019-12)Degradation of blue dye waste in Sarong Samarinda production using WO3-bleaching earth (BE) has been conducted. Structural and morphological characterization has conducted using X-ray diffraction (XRD), and Scanning ... -
2019 JKM YuliYana ISOLATION OF STEROID COMPOUNDS IN THE n-HEKSANA FRACTION FROM JARUM TUJUH BILAH LEAVES EXTRACT (Leuenbergeria bleo (Kunth) D.C.)
(2019-11-01)This study aims to find secondary metabolites isolated from the leaves of the Jarum Tujuh Bilah (Leuenbergeria bleo (Kunth) D.C.). The method used was maceration, fractionation and column chromatography and was identified ... -
2021 JBAT Preparation of Dye-Sensitized Solar Cell (DSSC) Using TiO2 and Mahkota Dewa Fruit (Phaleria Macrocarpa (Scheff) Boerl.) Extract
(2021-06)A dye sensitized solar cell (DSSC) is a low-cost solar cell with attractive features. DSCC contains of photo electrode, dye, electrolyte, and counter electrode with photo electrochemical system. The aim of this research ... -
2021 JKM audy COMPUTATIONAL STUDY OF ZEOLITE LTA ( LINDE TYPE A) INTERACTION WITH ALKALINE CATION (Li+, Na+, K+) USING MOLECULAR MECHANIC METHOD
(2021-07-05)Study of computation on zeolite LTA (Linde Type A) interaction with alkaline cation (Li+, Na+, K+) using mechanical moleculer method was conducted. Data processing was conducted computationally using Hyperchem 7.0 with ... -
2021 JKM wahyuni PREPARATION OF WO3-ZnO COMPOSITES BY SOLID STATE REACTION AND THEIR CHARACTERIZATION
(2020-11-01)The preparation of WO3-ZnO composites through the solid state reaction has been conducted. The research stages included mixing WO3 and ZnO solids with the addition of polyvinyl alcohol, drying, sieving and heating. WO3 ...