DASAR- DASAR KIMIA FISIKA

Edition

-

ISBN/ISSN

978-979-044-632-8

Collation

xxxvii, 472hlm.; ilus.; 28cm

Series Title

-

Call Number

541.3 Shi d

PENENTUAN TEMPERATUR KALSINASI TERBAIK DALAM SINTESIS SILIKA ZIRKONIUM FOSFAT…

Diisopropil eter (DIPE) adalah lternative aditif oksigenat yang dapat meningkatkan kualitas bensin, meminimalkan emisi gas CO dan hidrokarbon selama pembakaran. Penelitian ini bertujuan untuk mensintesis katalis silika zirkonium fosfat dengan template EDTA untuk aplikasi dehidrasi isopropil alkohol menjadi diisopropil eter. Hasil XRD menunjukan bahwa pada variasi katalis silika zirkonium fosfat…

SINTESIS KOMPOSIT MnO2/SELULOSA DAN APLIKASINYA SEBAGAI ADSORBEN PADA ADSORPS…

Composite is known as a new material that is produced from a combination of two or more contituent materials so that they have better physical and chemical properties. The synthesis of the MnO2/Cellulose composite was carried out to determine the adsorption ability of the adsorbent on the malachite green dye through the influence of variations in pH, contact time and temperature and to study th…

SINTESIS DIISOPROPIL ETER DARI PROSES DEHIDRASI ISOPROPANOL DENGAN KATALIS SI…

Katalis SiO2/cerium terfosfatasi template KHFtalat telah berhasil disintesis dengan metode sol-gel rasio massa Ce:SiO2 1:4 dan rasio mol Ce:(NH4)2(HPO4) 1:1 dengan variasi waktu kalsinasi 1, 3 dan 5 jam. Katalis diaplikasikan pada proses dehidrasi isopropanol untuk mendapatkan diisopropil eter. Proses dehidrasi menggunakan metode hidrotermal bertujuan agar produk yang didapatkan memiliki tingka…

SINTESIS KOMPOSIT KITOSAN-GRAPHENE OXIDE (GO) DENGAN METODE HIDROTERMAL DAN A…

In general, textile dyes contain azo compounds and benzene groups. If azo compounds in the environment tend to be excessive, the environment will be polluted so that it can cause various diseases. Azo compounds are carcinogenic and mutagenic, and very difficult to degredate. Synthetic dyes that are widely used in the textile industry are congo red which belongs to the class of azo dyes. One met…

SINTESIS DAN KARAKTERISASI OKSIDA GRAFENA TERSULFONASI DARI AMPAS TEBU DAN TE…

Ampas tebu dan tempurung kelapa merupakan bahan lignoselulosa yang mengandung selulosa, hemiselulosa dan lignin. Pada penelitian oksida grafena (GO) disintesis dengan metode hummer termodifikasi kemudian disulfonasi menjadi oksida grafena tersulfonasi (SGO). Berdasarkan hasil karakterisasi XRD untuk GO dari ampas tebu pada suhu 300°C selama 90 menit dengan puncak sebesar 23,98° dan d spacing …

SINTESIS KOMPOSIT NANOPARTIKEL CaO/PDA (Polydopamine) DARI CANGKANG TELUR AYA…

The high growth of the textile industry is not balanced with good wastewater treatment, so it needs to be treated with the adsorption method. CaO and the synthesized CaO/PDA nanoparticle composite were used as adsorbents in congo red dye adsorption with variations in contact time, concentration, and temperature and then were characterized using XRD, FTIR and BET. The XRD characterization result…

SINTESIS KOMPOSIT BENTONIT/OKSIDA GRAFENA UNTUK ADSORPSI DAN FOTOKATALISIS ZA…

Research has been carried out on the synthesis of Bentonite/GO composites and their application in adsorption and photocatalysis of Congo Red dyes. The synthesized material was characterized by XRD, FT-IR, BET and SEM. GO was successfully synthesized by the formation of a peak at 2θ = 10.5° and an increase in d-spacing from graphite to GO with a value of 4.15973 Å to 8.9835 Å. The bentonite…

MODIFIKASI SILIKA DENGAN KHFTALAT SEBAGAI MATERIAL PENGEMBAN KATALIS ZrS DAN …

The preparation of zirconium sulfide catalysts has been carried out with various modifications of silica on the catalyst using potassium hydrogen phtalate as the supporting agent, namely ZrS-SiO2, ZrS-SiO2 template method potassium hydrogen phtalate and ZrS-SiO2 chelate method potassium hydrogen phtalate. The purpose of this study was to apply the catalyst during the hydrocracking process in th…

SINTESIS DAN KARAKTERISASI HIDROSIAPATIT DARI CANGKANG KERANG DARAH (Anadara …

Hydroxyapatite is an apatite mineral compound which has a crystalline phase of a stable polycrystalline calcium phosphate compound. This research was carried out to synthesize hydroxyapatite from blood clam shells composited with SiO2. The synthesis of hydroxyapatite was carried out by the Sol Gel method. The HAp:SiO2 composite was characterized using XRD to determine 2θ, crystal size and crys…

SINTESIS DAN KARAKTERISASI BASA SCHIFF SALISILALDEHID-2,4 DINITROFENILHIDRAZI…

Synthesis and characterization of Schiff base have been carried out from the reaction of salicylaldehyde and 2,4-dinitrophenylhydrazine (DNPH) using HCl 37% catalyst. 0.495 g (2.5 mmol) DNPH was added to 0.3 mL (2.5 mmol) salicylaldehyde in 50 mL methanol solvent and 1 mL of HCl 37% catalyst was added. The result of the synthesis of Schiff Base is used as a carbonate ion sensor (CO32-) in the s…

SINTESIS DAN KARAKTERISASI SENYAWA BASA SCHIFF DARI 4,4-DIAMINODIFENIL ETER D…

Schiff's base synthesis has been carried out from the reaction between the compounds 4,4-diaminodiphenyl ether and vanillin. The resulting Schiff base then interacts with Cu2+ metal ions. The characterization of Schiff's base was performed using UV-Visible, FT-IR, XRD spectrophotometers, and pH influence. The interaction between Schiff base and Cu2+ metal ions is studied through the influence o…

GREEN SYNTHESIS NANOMAGNETIK Fe3O4 MENGGUNAKAN EKSTRAK DAUN KELOR (Moringa ol…

Congo red is one of the dyes that is often used in the textile industry. However, congo red can cause environmental problems. Fe3O4 is a metal oxides that is magnetic and can be used as a catalyst. Fe3O4 can be synthesized with various methods. But, usually the method that is being used requires a chemical materials as a capping agent and can emits gas poison in the process. Alternative method …

MODIFIKASI SiO2/ZrP BERPORI SEBAGAI KATALIS HYDROCRACKING CPO MENJADI BIOGASO…

Crude palm oil can be converted into biogasoline and bioavtur through the hydrocracking process. An acid catalyst is needed to optimize the resulting product. The catalysts used were SiO2/ZrP catalysts, SiO2/ZrP catalysts with the EDTA template method, and SiO2/ZrP catalysts with the EDTA chelate method. This study aims to determine the physicochemical properties through XRD characterization, a…

MODIFIKASI SiO2-Zr TERSULFIDASI PADA KONVERSI CRUDE PALM OIL (CPO) MENJADI BI…

One of the Crude Palm Oil (CPO) conversion processes into fuels such as biogasoline and bioavtur can be developed through the hydrocracking process. This study aims to synthesize SiO2-ZrS catalysts with EDTA varied as templating and chelating agent and to characterize them on crystallinity, acidity level and functional groups. The catalyst that has been made is then applied to the hydrocracking…

HYDROCRACKING CPO MENJADI BIOGASOLINE DAN BIOAVTUR DENGAN KATALIS ZrP-SiO2

The process of making zirconium phosphide catalysts was carried out using various methods, such as the ZrP-SiO2 method, ZrP-SiO2 with KHFthalat template, ZrP-SiO2 with KHFthalat chelate. The purpose of this study was to apply the ZrP-SiO2 catalyst using templates and KHFthalate chelate in the hydrocracking process in the conversion of CPO to biogasoline and bioavtur, and to characterize the cat…

PREPARASI SiO2-Zr SERTA APLIKASINYA PADA PRODUKSI BIOGASOLINE DAN BIOAVTUR ME…

Porous SiO2-Zr catalysts were prepared using as the chelate method and the EDTA template. The aim of the research was to prepare CPO into biogasoline and bioavtur through a hydrocracking process by applying a Zr-SiO2 catalyst using a template and EDTA chelate, as well as carrying out catalytic activity tests using instruments such as XRD, FTIR, and acidity tests. The results of the GCMS charact…

PENGOLAHAN LIMBAH PALM OIL MILL EFFLUENT (POME) DENGAN PENGARUH VARIASI KUAT …

Research has been carried out on the processing of Palm Oil Mill Effluent waste with variations in current and time using electrocoagulation and activated charcoal filtration methods. POME is a liquid waste generated during the production of palm oil. This study uses electrocoagulation and activated charcoal filtration methods which aim to compare the effect of current and time on decreasing pH…

PENENTUAN AKTIVITAS ANTIFOTOAGING EKSTRAK BUAH TEMBESU (Fagraea fragrans Roxb)

Tembesu plant (Fagraea fragrans Roxb) is one of the plants that grows in South Sumatra. Tembesu’s fruit contains various secondary metabolites such as flavonoids, triterpenoids, alkaloids, and tannin trimmer that makes tembesu potential to be phytocosmetic. Therefore, this study aims to determine antiphotoaging activity of the n-hexane’s fraction, ethyl acetate’s fraction and methanol’s…

PENERAPAN LOOPING SYSTEM DALAM MEMANFAATKAN CO2 SISA DARI KONVERSI CO2 MENJAD…

SUMMARY LOOPING SYSTEM APPLICATION IN UTILIZING RESIDUAL CO2 FROM CONVERSION CO2 TO METHANOL AND METHANOL PURIFICATION THROUGH CONTINUOUS DISTILATION Yollanda Nurcholifah: Supervised by Dr. Dedi Rohendi, M.T and Dra. Julinar, M.Si Department of Chemistry, Faculty of Mathematics and Natural Science, Sriwijaya University x + 54 pages, 3 tables, 11 images, 13 appendices CO2 conversion can produce …

PENGARUH PERSENTASE POLYTETRAFLUOROETHYLENE (PTFE) PADA LAPISAN KATALIS ELEKT…

Testing the effect of Polytetrafluoroethylene (PTFE) on the electrode catalyst layer on methanol production as a result of CO2 conversion by electrochemical reduction has been carried out. This study used PTFE as a hydrophobic substance with varying contents (10wt%, 15wt%, 20wt%, and 25wt%) in electrodes with Cu2O-ZnO/C (cathode) and Pt/C (anode) catalysts. The electrodes were 7.5 x 7.5 cm in s…

PENGARUH AKTIVATOR ASAM SULFAT DAN CAMPURAN PEREKAT KULIT PISANG KEPOK SERTA …

Biomass can be improved in quality by forming it into biobriquettes. Biobriquettes are an alternative source of materials derived from organic materials such as areca nut shells, which have the potential to be converted into biobriquettes due to their abundant availability and relatively high content of cellulose and hemicellulose. Areca nut peel biobriquettes in this study used sulfuric acid a…

SINTESIS KOMPOSIT ZnO-Fe3O4 DAN APLIKASINYA PADA FOTODEGRADASI ZAT WARNA METI…

The research of synthesis of the ZnO-Fe3O4 and its application to the degradation of methylene blue had been done. Composites were made with massa ratio of ZnO to Fe3O4 (1:1), (1:2) and (2:1). The composite results were then characterized using XRD, SEM-EDS and UV-Vis DRS instruments. The results of XRD characterization on the ZnO-Fe3O4 (1:1) composite showed the formation of a typical peak at …

ELEKTROLISIS AIR MENGGUNAKAN MEMBRANE ELECTRODE ASSEMBLY (MEA) DENGAN KATALIS…

Test on the electrolysis of water using Membrane Electrode Assembly (MEA) with TiO2/C catalyst on current and loading catalyst varied has been done. Electrode is characterized by Cyclic Voltametry (CV) and Electrode Impedance Spectroscopy (EIS). The characterization of electrode using this CV method showed that the biggest value of Electrochemical Surface Area (ECSA) was shown by TiO2/C electro…

SINTESIS DAN KARAKTERISASI KOMPOSIT ZnO/Fe2O3 SERTA APLIKASINYA UNTUK FOTODEG…

The research on synthesis and characterization of composites ZnO-Fe2O3 for photodegradation of methylene blue has been done. The photodegradation process of methylene blue was carried out in several variables including the effect of contact time and the initial concentration of the dye as well as in the above conditions pHpzc. ZnO-Fe2O3 composites were made with a mole ratio of ZnO to Fe2O3 (1:…

SINTESIS OKSIDA GRAFENA TEREDUKSI DARI TANDAN KOSONG KELAPA SAWIT MENGGUNAKAN…

The research about synthesis reduced graphene oxide from oil palm empty fruit bunches using matoa leaf extract as reducing agent and its application for methylene blue adsorption has been done. To obtain an efficient adsorbent, synthesis of reduced graphene oxide from oil palm empty fruit bunches was carried out. Oil palm empty fruit bunches were chosen as a source of biomass because of their a…

SINTESIS OKSIDA GRAFENA TEREDUKSI DARI AMPAS TEBU (SACCHARUM OFFICINARUM L.) …

Bagasse is a biomass waste containing lignocellulosic materials such as cellulose, hemicellulose and lignin. With the presence of these compounds, bagasse has the potential to be used as a raw material in the synthesis of reduced graphene oxide (rGO). In this study, reduced graphene oxide was synthesized using the Hummer’s method using matoa leaf extract as a reducing agent. The synthesis res…

SINTESIS KOMPOSIT CoFe2O4/SiO2/NiO UNTUK DEGRADASI FOTOKATALITIK ZAT WARNA ME…

In this study, the synthesis of CoFe2O4/SiO2/NiO composites was carried out for the photocatalytic degradation of methylene blue dye. The synthesized materials were characterized using XRD, SEM-EDS, VSM, and UV-VIS DRS. Characterization results using the XRD tool shows the highest intensity was located at 2θ = 43.25° with a crystal size of 2.41 nm. Characterization results using the SEM-EDS t…

SINTESIS CuFe2O4/SiO2/NiO UNTUK DEGRADASI FOTOKATALITIK ZAT WARNA KONGO MERAH

Research has been carried out on the synthesis of CuFe2O4/SiO2/NiO composites and its application on photocatalytic degradation of congo red dye. CuFe2O4 was synthesized using coprecipitation method, CuFe2O4/SiO2 by sol-gel method, and CuFe2O4/SiO2/NiO by hydrothermal method. The resulting CuFe2O4, CuFe2O4/SiO2, and CuFe2O4/SiO2/NiO were characterized using XRD, SEM-EDS, VSM, and UV-Vis DRS. Th…

UJI AKTIVITAS ANTIBAKTERI EKSTRAK ETANOL DAUN SAMBILOTO (ANDROGRAPHIS PANICUL…

The antibacterial activity of the ethanol extract of bitter leaf (Andrographis paniculata ness.) and its fractions has been tested against bacteria that cause pneumonia. This research begins with the extraction process and produces a thick extract of 42.723 grams with a yield of 14.241%. Then fractionation was done using KCV and obtained 4 fractions. The antibacterial test was carried out using…