Teknik Reaksi Kimia Homogen

Edition

-

ISBN/ISSN

978-623-027-843-3

Collation

xiv, 221 hlm.; 23 cm

Series Title

-

Call Number

541.39 Kun t

PENGARUH PENAMBAHAN RAGI TAPAI DAN BROMELIN NANAS KASAR PADA FERMENTASI BUBUR…

Penelitian ini bertujuan untuk mengetahui pengaruh penambahan ragi tapai pada fermentasi bubur tapioka dan bromelin nanas pada bakal tahu terhadap karakteristik vegetarian nugget. Penelitian dilakukan di LaDoratorium Kimia Hasil Pertanian Jurusan Teknologi Pertanian UNSRI pada bulan November 2004 sampai Desember 2005. Penelitian ini menggunakan Rancangan Acak Lengkap Faktorial (RALF), yang terd…

UJI AKTIVITAS ANTIOKSIDAN TERHADAP EKSTRAK BUNGA BOUGENVILLE ORANGE (Bougainv…

The bougenville orange (Bougainvillea x buttiana) has been reported to have antioxidant activity using the DPPH method. Testing antioxidant activity can be carried out using various methods. In this study, the antioxidant activity of orange bougenlille (Bougainvillea x buttiana) flower was tested using three methods, namely the DPPH (2,2-diphenyl-1-picrylhydrazyl), FRAP (Ferric Reducing Antioxi…

UJI AKTIVITAS ANTIOKSIDAN FRAKSI DAUN PACAR KUKU (Lawsonia inermis L) MENGGUN…

Pacar kuku (Lawsonia inermis) is a traditional medicinal plant that is rich in phenolic compounds which are generally active as antioxidants. Measuring antioxidant activity can be done using various methods. In this study, the antioxidant activity of L. inermis leaves were determined using the DPPH (2,2-diphenyl-1-picrylhydrazyl), FRAP (Ferric Reducing Antioxidant Power) and FTC (Ferric Thiocya…

ORBITAL FRONTIER DAN REAKSI KIMIA ORGANIK

Edition

-

ISBN/ISSN

979-420-417-x

Collation

v, 327 hlm.; 21 cm.

Series Title

-

Call Number

547.2 Fle o

Penuntun MEKANISME REAKSI KIMIA ORGANIK, Edisi Keenam

Edition

6

ISBN/ISSN

-

Collation

432 hlm. : ilus. ; 23 cm

Series Title

-

Call Number

547.1 Sky g

PENGARUH TEMPERATUR KALSINASI KATALIS SILIKA CERIUM (IV) SULFAT (Ce(SO4)2-SiO…

ABSTRACT : Ether compounds such as diisopropyl ether can be used as fuel additives. Diisopropyl ether obtained through the dehydration process of isopropyl alcohol over metal impregnated catalyst. This study aims to synthesized silica Cerium (IV) Sulfate catalyst using Phthalate as template. The catalysts prepared by calcination temperature variations at 400oC, 500oC, 600oC, 700oC, and 800oC fo…

PENGOLAHAN LIMBAH CAIR INDUSTRI TAHU SECARA ELEKTROKOAGULASI MENGGUNAKAN ELEK…

Limbah cair industri tahu dapat berpotensi mencemari lingkungan jika langsung dibuang ke lingkungan tanpa diolah terlebih dahulu. Limbah cair industri tahu dapat diolah menggunakan elektrokoagulasi dengan elektroda aluminium. Penelitian ini bertujuan untuk mengetahui pengaruh kuat arus dan waktu kontak bervariasi terhadap penurunan kadar Chemical Oxygen Demand (COD), Total Suspended Solid (TSS)…

PENGARUH VARIASI KUAT ARUS PADA PEMBUATAN VIRGIN COCONUT OIL (VCO) MENGGUNAKA…

Salah satu olahan buah kelapa yang sangat menjanjikan dan mempunyai peluang besar untuk dikembangkan adalah minyak kelapa murni atau Virgin Coconut Oi (VCO). Teknologi pembuatan VCO ada bermacam-macam, yaitu sentrifugasi, fermentasi, enzimatis dan pemompaan. Metode tersebut masih terdapat kelemahan yaitu rendemen yang dihasilkan masih rendah dan kualitas VCO kurang baik karena adanya kontaminan…

PENGARUH JENIS PCA PADA PROSES PEMBUATAN KATALIS Cu2O-ZnO/C TERHADAP PERSENTA…

The electrochemical reduction process to produce methanol is carried out using Membrane Electrode Assembly (MEA) as the reaction center. The Cu2O-ZnO/C catalyst was used to make various electrodes with the addition of a process control agent (PCA). The characterization results using the Particle Size Analyzer (PSA) method found that the particle size of the catalyst using methanol PCA has a gre…

AKTIVITAS OKSIDA GRAFENA TERSULFONASI (S-GO) YANG DIPREPARASI DARI TEMPURUNG …

Tempurung kelapa merupakan sisa biomassa yang terdiri dari lignin, selulosa dan hemiselulosa, memiliki potensi sebagai bahan baku dalam sintesis oksida grafena tersulfonasi (S-GO). S-GO disintesis menggunakan metode Hummer dengan asam sulfat sebagai agen sulfonasi. Hasil sintesis meliputi grafit, oksida grafena, dan oksida grafena yang telah tersulfonasi. Karakterisasi FTIR digunakan untuk meng…

TEORI DAN APLIKASI Polymerase Chain Reaction; Panduan eksperimen PCR untuk me…

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PENENTUAN KADAR FENOLIK DAN FLAVONOID TOTAL, UJI ANTIOKSIDAN, DAN ANALISIS SE…

Fagraea fragrans is a plant commonly found in Sumatera island. Several studies reported that F. fragrans has various pharmacological activities indicating the presence of active compounds in this plant, such as phenolics dan flavonoids. Hence, This study aims to estimate the total phenolic and flavonoid content, determine the antioxidant activity, and identify the compounds with LC-MS. The rese…

SKIRINING SENYAWA ANTIOKSIDAN DARI FRAKSI ETIL ASETAT DAUN TUMBUHAN SUNGKAI (…

Sungkai belongs to the Lamiaceae famili with the latin name Peronema canescens Jack. Sungkai leaves have traditionally been used as a medicine to increase the body’s immune system. Its efficacy as an immune system drug is related to the presence of antioxidant. The aims of this research to determine the antioxidant activity of the ethyl acetate fraction of sungkai leaves (P. canescens Jack.) …

PENENTUAN KADAR FENOLIK DAN FLAVONOID TOTAL SERTA METIL GALAT DARI FRAKSI ETI…

Ludwigia octovalvis belongs to Ludwigia genus from family of Onagraceae. Some bioactivities from extract of this plant had been reported such as antioxidant and antidiabetic. The antioxidant activity from the leaves and stem of L. octovalvis extract have been reported. Previous studies have been successfully isolated methyl gallate and quercetin from L. octovalvis fruit.Meanwhile, the antioxida…

PENGARUH VARIASI JUMLAH PLAT ELEKTRODA TERHADAP PEMECAHAN EMULSI SANTAN PADA …

VCO is an oil obtained from fresh old coconut flesh squeezed with or without the addition of water, without heating, or by heating less than 60°C. The main component of VCO is medium-chain fatty acids, especially lauric acid. Over time, there have been various technologies for making VCO, but pre-existing methods still have weaknesses, namely that the yield produced is still low and the qualit…

PENGARUH WAKTU ELEKTROLISIS PADA PEMBUATAN VIRGIN COCONUT OIL (VCO) DAN ANALI…

Virgin coconut oil adalah minyak yang dihasilkan dari pati kelapa yang telah diproses secara higienis dan tanpa pemurnian kimia, sehingga kandungan yang penting dalam minyak tetap dipertahankan. VCO umumnya dibuat dengan menggunakan dua metode diantaranya metode kering dan metode basah. Salah satu pembuatan VCO dengan metode basah adalah elektrolisis. Metode elektrolisis dilakukan dengan mengal…

VALIDASI METODE ANALISIS NIKOTIN DALAM ASI IBU PEROKOK PASIF MENGGUNAKAN METO…

Ibu menyusui yang terpapar asap rokok dapat terkontaminasi nikotin, terutama pada ASI yang dihasilkan oleh Ibu menyusui. Penelitian ini bertujuan untuk memvalidasi metode analisis kadar nikotin dalam ASI dengan metode GLC serta menentukan dan membandingkan kadar nikotin dalam ASI ibu perokok pasif yang sedang menyusui berdasarkan lamanya terpapar (1-15 tahun). Validasi metode dilakukan dengan m…

AKTIVITAS ANTIOKSIDAN DARI FRAKSI ETIL ASETAT RANTING TUMBUHAN RUKAM (FLACOUR…

Flacourtia rukam is one of the traditional medicinal plants used in the treatment of various diseases. The disease can be caused by various factors, one of which is due to free radicals. Antioxidant compounds are scientifically known to be able to inhibit free radicals. This research was conducted to test the antioxidant activity of the ethyl acetate fraction of F. Rukam twigs. The extraction u…

UJI AKTIVITAS ANTIOKSIDAN DAN ANTIKOLESTEROL EKSTRAK KULIT BATANG SEMPRAWANG …

Semprawang (Dillenia ochreata) is a plant that belongs to the Dilleniaceae family. D. ochreata is empirically used by the Musi as a cure for scabies. Information about the activity of D.ochreata is still very limited. The purpose of this study was to determine the antioxidant and anticholesterol activity of the stem bark of Semprawang (Dillenia ochreata). The extraction method used is the maser…

ISOLASI SENYAWA METABOLIT SEKUNDER DARI EKSTRAK N-HEKSANA BATANG TUMBUHAN BRO…

Isolation of secondary metabolite from n-hexane extract of the stem of Tinospora crispa had been done. The extraction was done by maceration. The extract of n-hexane was separated and purified by chromatography column techniques. Antioxidant activity of the isolated compound was conducted by DPPH (1.1-diphenylpycryl hidrazyl) method with concentration variation of 1000, 500, 250, 125, 62.5, 31.…

KARAKTERISTIK CAMPURAN BIODIESEL DARI MINYAK BIJI KETAPANG (Terminalia catapp…

It has been done the research about “The Characteristic Mixtures Biodiesel From Ketapang Seed Oil (Terminalia catappa Linn) With Solar Using NaOH Catalyst“. The purpose of research is to determine the optimum condition blending biodiesel from ketapang seed oil with solar. Biodiesel 0%, 5%, 15%, 25%, 35%, 45%, 55%, 65%, 75%, 85%, 95%, 100% which characterized by using method of ASTM (America…

UJI AKTIVITAS ANTIOKSIDAN DAN IDENTIFIKASI METABOLIT SEKUNDER DAUN Calophyliu…

Isolation of flavonoid compound has been done from ethyl acetate fraction of Calophyllum pulcherrimum leaves. Extraction conducted by partition method using ethyl acetate and resulted compound was separated using chromatography technique. Product isolation is 11 mg yellow powder with melting point 281-282°C. 13C-NMR DEPT 135° dan DEPT 90° spectrum showed isolation compound have 27 atom carbo…

KINETIKA REAKSI OKSIDASI MINYAK BIJI KETAPANG (Termanila catappa Linn) DAN PE…

It has been done the research kinetics of oxidation reactions ketapang seed oil (Terminal ia catappa Linn) and antioxidant effects of the addition BHT to the peroxide number. The purposes of the research were to define the influence of the addition of antioxidants BHT to long the storage, the kinetics of oxidation reactions ketapang seed oil, and determine the content of seed oil fatty acids ke…

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…

ISOLASI SENYAWA FENOLAT DARI KULIT BATANG TUMBUHAN Garcinia sizygiifolia DAN …

The phenolic compound have been isolated and characterizated from ethyl acetate extract of stem bark of Garcinia sizygiifolia. The extraction was done by maseration. Separation and purification were done by column chromatography. The isolated compound was a yellow solids with melting point 243°C-245°C. The structure of this compound was determined based on spectral data including IR, UV, NMR …

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 …

PENGARUH KOMPOSISI GLUKOSA DAN MONTMORILONIT TERHADAP SIFAT KATALIS KOMPOSIT …

The Influence Of Glucose Composition And Montmorilonite Toward The Caracteristic Of Composite Catalyst Montmorilonite Carbon Sulfonate Penelitian pengaruh komposisi glukosa dan montmorilonit terhadap sifat katalis komposit montmorilonit karbon sulfonat telah dilakukan. Katalis komposit montmorilonit karbon sulfonat (M-CS) dibuat dengan cara mencampurkan montmorilonit dan glukosa sampai homogen …

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…

STUDI REAKSI OKSIDASI SIKLOHEKSANON DENGAN KATALIS ZEOLIT ALAM DAN BENTONIT A…

Conversion of cyclohexanone to produce adipic acid via oxidation reaction by H2O2 with natural mineral catalysts (zeolite and bentonite) has been carried out. Catalysts zeolite and natural bentonite before and afiter reaction characterized using spectrophotometer FT-IR and difractometer X-ray. Product of conversion was characterized through the determination of melting point, identification usi…