KAJIAN EKSPERIMENTAL KERUGIAN TINGGI TEKAN ALIRAN PADA LARUTAN GARAM DAN LARU…

Telah dilakukan penelitian tentang kajian eksperimental kerugian tinggi tekan aliran pada larutan garam dan larutan gula dengan variasi konsentrasi 5%, 10% dan 15%. Penelitian ini bertujuan untuk mengetahui pengaruh perubahan konsentrasi dan variasi larutan terhadap kerugian tinggi tekan aliran larutan gula dan garam melalui pipa dan membandingkan hasil dari pengujian dengan hasil perhitungan d…

SINTESIS KOMPOSIT BENTONIT POLYDOPAMINE TERIMPREGNASI CuO UNTUK FOTODEGRADASI…

Synthesis of Bentonite-Polydopamine Composite with CuO Semiconductor as Catalytic Photodegradation of Methylene Blue Dye has been conducted. The resulting bentonite-polydopamine CuO composite, was characterized using XRD, SEM-EDX, and UV-Vis DRS. The methylene blue photodegradation was carried out at several variabels, including the initial of concentration, contact time, and photocatalyst weig…

PENGARUH WAKTU KALSINASI TERHADAP KARAKTER POROUS SILIKA CERIUM SULFAT DENGAN…

Porous silica is referred to as a chemically and thermally stable material with uniform pore size. Metal cerium from cerium sulfate metal salt is impregnated into silica, with the addition of sulfuric acid to increase its solubility. In this study, Ce(SO4)2-SiO2 with KHPhthalate template was used as a catalyst synthesized by calcination, impregnation and hydrothermal methods, and its applicatio…

SINTESIS KOMPOSIT KITOSAN GRAPHENE OXIDE (GO) DENGAN METODE SOL GEL DAN APLIK…

Synthesis of chitosan-GO composites using the sol-gel method and its application to methylene blue adsorption has been carried out. This study aims to determine the ability of chitosan-GO composites to adsorb methylene blue. Chitosan-GO composites were made with mass ratios (1:1), (1:3) and (1:5) and characterized by XRD. Material with a ratio (1:1) was chosen to be characterized using BET, SEM…

SINTESIS FE3O4-PDA-TIO2 DAN APLIKASINYA PADA FOTODEGRADASI ZAT WARNA METILEN …

Research on the synthesis of Fe3O4-PDA-TiO2 and its application in the photodegradation of methylene blue dye have been successfully carried out. The synthesized materials were characterized using XRD, UV-DRS, SEM-EDS and VSM. The results of the XRD characterization showed that the highest intensity value was located at 2θ with a value of 25.36º and a crystal size of 26.83 nm was obtained. Th…

SINTESIS DAN KARAKTERISASI KATALIS CaO-ZEOLIT DENGAN TEKNIK SONOKIMIA

Calcium Oxide (CaO) yang diembankan pada zeolit dikategorikan sebagai katalis heterogen. Penggunaan katalis CaO dapat digunakan dalam proses pirolisis katalitik guna meningkatkan produksi gas. Dalam penulisan ini, CaSO4.2H2O merupakan sisi aktif yang diembankan pada zeolit alam dan aktivitas dari katalis CaO-Zeolit disintesis dengan impregnasi sonokimia yang dibantu dengan proses pengeringan da…

SINTESIS SENYAWA POLIOL SEBAGAI SENYAWA INTERMEDIATE PADA PEMBUATAN BIOLUBRIC…

Sintesis senyawa poliol sebagai bahan intermediate pada pembuatan pelumas dari minyak kelapa sawit (CPO) telah dilakukan untuk mensubstitusi pelumas dari minyak bumi. Penelitian ini bertujuan untuk mengetahui pengaruh suhu, waktu reaksi dan katalis terhadap konversi senyawa poliol yang dihasilkan dengan variabel suhu 45, 50, 55, dan 60 °C dan waktu reaksi 30, 60, 90, 120 menit serta katalis Be…

SINTESIS DAN KARAKTERISASI LAPISAN Fe2O3 DAN HYBRID Fe2O3 /ZnO PADA FTO SEBAG…

This research focuses on the synthesis of single layer Fe2O3 and Fe2O3/ZnO hybrid layers using the spray pyrolysis method with the aim of conducting photoelectrochemical studies on samples that have been synthesized with volume variations of 10 and 30 mL in each layer variation (Fe2O3, Fe2O3/ZnO, ZnO/Fe2O3) which was annealed at 500˚C. Photoelectrochemical studies using the LSV method showed t…

SINTESIS SENYAWA EPOKSIDA SEBAGAI SENYAWA INTERMEDIATE PADA PEMBUATAN BIOLUBR…

Seiring dengan meningkatnya tuntutan terhadap bahan-bahan yang ramah lingkungan dan biodegradable serta renewable, sehingga selain dari fungsinya, ada usaha untuk menggantikan pelumas non biodegradable yaitu pelumas bio (Biolubricant). Saat ini, pelumas berbahan dasar minyak nabati (Biolubricant) semakin banyak digunakan dalam industri pelumas untuk menggantikan pelumas berbasis minyak bumi kar…

SINTESIS KOMPOSIT CaO/Fe3O4 UNTUK ADSORPSI ZAT WARNA PROCION RED MX-5B

The research on the adsorption of the procion red mx-5b dye using the CaO/Fe3O4 composite has been carried out. CaO/Fe3O4 composite with mass ratio (1:1) were synthesized using coprecipitation method. Material characterization using XRD, BET, VSM and FTIR. The results of XRD characterization of the CaO/Fe3O4 composite showed the presence CaO at the diffraction peak at 2θ = 53.66o and Fe3O4 at …

PEMBUATAN ASAM-3-OKSOURSOLAT DAN ASAM-3-OKSO OLEANOLAT DARI TRITERPENOID BUAH…

Oxidation of the hydroxyl group (C-3 -OH) of ursolic acid [oleanolic acid], isolated from methanolic extract of tembesu fruit, had been done using Jones’ reagent (C1O3/H2SO4/H2O) in acetone with 40% yield. Spectrum data of ]H-NMR showed that the methine proton at C-3 position of the triterpenoids was no longer existed, and the analysis of mass spectrum showed that the oxidation products had m…

PREPARASI DAN KARAKTERISASI NANOMATERIAL BERBASIS POLIOKSOMETALAT TIPE KEGGIN…

Preparation of nanomaterial based on polyoxometalate with Si02, Ti02, ZrOCl2 and TaCI to form nanomaterial H4[a-SiWi204o]-nH20-Si02, H4[a-SiWi2O40].nH2O-TiO2, H4[a-SiW,2O40].nH2O-ZrOCl2 and H4[a-SiWi2O40].nH2Ota has been carried out. Nanomaterials were characterized using FT-IR, XRD and SEM. The results of characterization show that nanomaterials ELt[a-SiWi204o].nH20-Si02 and nanomaterial from …

PREPARASI DAN KARAKTERISASI KALSIUM OKSIDA DARI ANGKANG RAJUNGAN (Portunus pe…

Preparation of calcium oxide from Portunus pelagicus through thermal decomposition for 3 hours at various temperature 700 °C, 800 °C, 900 °C, 1000 °C, and 1100 °C. The calcium oxide from decomposition was carried out and characterized by X-Ray Diffractometer (XRD), FT-IR spectrophotometer and SEM-EDX analyses. The result of XRD show decomposition Portunus pelagicus at 1000 °C have diffrac…

EKSTRAKSI SiO2 DARI AMPAS TEBU MENGGUNAKAN METODE HIDROTERMAL DAN METODE KALS…

Research on SiO2 extraction has been done from sugarcane bagasse using hydrothermal methods with variation NaOH concentration of 0.5; 1.0; 1.5; 2.0 M and calcination methods with temperature variation of 800, 900 and 1000ºC. Characterization of SiO2 extracted carriedovt using XRD analysis, FT-IR, and silica surface area calculation using the methylene blue adsorption method. The results of cha…

STRATEGIC APPLICATIONS of NAMED REACTIONS in ORGANIC SYNTHESIS

Edition

-

ISBN/ISSN

0-12-429785-4

Collation

lii, 758 p. : ill, ;28 cm

Series Title

-

Call Number

574 Kur s

Sintesis, Karakterisasi dan Aplikasi Katalis Zikronia Mesopori Tersulfatasi d…

Telah dilakukan penelitian untuk modifikasi proses sintesis katalis zirkonia dengan menggunakan campuran prekursor zirkonil oksiklorida, setiltrimetilammonium bromide (CTAB) yang diendapkan menjadi gel dengan bantuan NH3 dan direndam dengan (NH4)2SO4. Modifikasi dilakukan dengan variasi suhu kalsinasi (MZS400, MZS500, MZS600, dan MZS700) dan perbandingan mol zirkonil terhadap CTAB (MZS 1, MZS 3…