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3) Coupling of p-Xylene 15 g of p-xylene were reacted in O 2 at 393 K and 5 bar in the presence of 1.2 g of 1 wt % Au/TiO 2. After 16 h, the reaction was stopped, the catalyst removed by filtration, and the excess of toluene eliminated in a rotary evaporator at 343 K and 60 mbar. GC/MS analysis confirmed

World Panorama

A rotary evaporator, or rotavap, works by heating liquids under low pressure, vaporizing them and condensing that gas in a separate vessel, just like many other distillation apparatus. However, a rotavap uses both temperature and pressure changes in its functionality.

Laboratory Vacuum Pump Systems LABOPORT Vacuum Pumps

for rotary evaporators, vacuum ovens, concentrators . Chlorobenzene, DMF, DMSO, isoamyl alcohol, xylene SC842 34 1.5 (2) two-stage 20 Reflux reactions/distillation of high BP solvents (80-110°C) Water, heptane, isobutyl alcohol,toluene SC842 34 1.5 (2) two-stage 20

Oxford University Press | Online Resource Centre .

Question 9 meta-Chloroperbenzoic acid (mcpba) ia preferred over simpler peroxides for carrying out the Baeyer-Villiger reaction on large scale.Which of the following statements is .

ROTARY EVAPORATOR RE550 - files.yamato-net.co.jp

ROTARY EVAPORATOR RE550 First Edition Thank you for your Yamato Scientific RE series Rotary Evaporator purchase For best test data, we recommend you purchase our BM series Water Bath. Please call Yamato Scientific for more details. Yamato Scientific Read and apprehend the important warnings in this instruction manual prior to use.

ROTARY EVAPORATOR RE200 RE500 - Cole-Parmer

ROTARY EVAPORATOR RE200 RE500 First Edition Thank you for your Yamato Scientific RE Series Rotary Evaporator purchase. For best test date, we recommend you purchase our BM series Water Bath. Please call Yamato Scientific for more details. Yamato .

Corotech Xylene V703 | HPP Industrial Inc

Xylene is an aromatic solvent that can be used in numerous industrial coatings systems as a general thinner and clean-up solvent. Use to modify evaporation rates and improve dry. For effective cleaning of tools and equipment. Available Sheens: N/A. Available Colors: N/A. Colorant Used: N/A. Color System Supported: N/A. Cleanup: N/A. Resin Type .

Evaporator Accessories | Fisher Scientific

Evaporator Accessories Thermo Scientific™ SCC1 CryoCool Heat Transfer Fluid Savant™ SCC1 CryoCool Heat Transfer Fluid is suitable for use with the Explorer SpeedVac Vacuum Concentrator.

Limited of Optimum Method for Separation Xylene Isomers .

isomers of xylene as the boiling point for ortho- xylene is 144.2 ˚C and melting is -25.2˚C either boiling the meta xylene are . was evaporating the solvent using a rotary evaporator and then leave the precpetated in the oven at a temperature 100˚C for 3 hours to vapour the solvent. The packing percentage 5% of the DNP .

Rotary Evaporators an Interesting Application - Lab Supply .

An interesting application for rotary evaporators is the use in non lab environments. Resourceful chefs have actually looked for a long time to cook with pure flavors and tried to find ways to remove the flavors from the food to then cook with them. A Rotary evaporator is doing exactly that removing elements from a .

Contents

rotary evaporator. The connection cable is under the cover plate of the evaporator (see 4.3). In all other cases, connection is done via the supplied mains cable. 4.3 Fixation of the Vacuum Controller to Rotavapor R-200/R-205 Screw out screw and pull the cover plate to the back. Lift the lower spring-loaded catch of the front plate and

Friedel-Crafts Acylation

Set aside 0.5 mL of the CH 2 Cl 2 solution for TLC, and evaporate the rest of the CH 2 Cl 2 solution onto 0.5 g of flash silica using the rotary evaporator. TLC: using 5% EtOAC/hexane, you should see two UV-absorbing spots that move, with more material at the baseline. The ketone that you want is the more slowly-moving spot.

Vacuum distillation - Wikipedia

Rotary evaporation. Rotary evaporation is a common technique used in laboratories to concentrate or isolate a compound from solution. Many solvents are volatile and can easily be evaporated using rotary evaporation. Even less volatile solvents can be removed by rotary evaporation .

Laboratory Rotary Evaporaors - McMaster University

SOP Laboratory Rotary Evaporators Louisiana State University. PROCEDURES. . Toluene C7H8 92.2 427 111 0.867 77 Trichloroethylene C2HCl3 131.3 264 87 1.464 183 Water H2O 18.0 2261 100 1.000 72 Xylene (mixture) C8H10 106.2 389 25 .

Solvent Boiling Points Chart

Solvent Boiling Points Chart (all boiling points at standard pressure) Solvent Boiling Point (°C) Solvent Boiling Point (°C) Acetic Acid 118.0 Ethyl Acetate 77.1 Acetic Acid Anhydride 139.0 Ethyl Ether 34.6 Acetone 56.3 Ethylene Dichloride 83.5 Acetonitrile 81.6 Ethylene Glycol 197.5 Benzene 80.1 Heptane 98.4 iso-Butanol 107.7 n-Hexane 68.7 n-Butanol 117.7 Hydrochloric Acid 84.8 tert-Butanol .

Rotary Evaporator

Rotary Evaporator RE301/601/801 Features 1.Motorized lift standard for all models 2.Digital settings and display in Japanese or English Yamato Rotary Evaporators, models RE301/601/801, are easily raised or lowered by simple operation of switch. Model RE801, can be pre-set, so that when operation of the rotary evaporator ceases, unit will be raised.

Solvent Evaporator at Thomas Scientific

.modified evaporation single neck flask with a standard taper outer joint. Low profile design sits upright on bench and also provides for easy product access with a spatula. Flask shape is excellent for the controlled evaporation of foaming solvents such as toluene or xylene on a rotary evaporator.

Xylene Reagent | Spectrum

X1015 | 108-38-3. m-Xylene, Reagent is an aromatic hydrocarbon with its main use being the manufacture of isophthalic acid used as a copolymerizing monomer. It is also known as meta-xylene. The Reagent grade denotes that this chemical is the highest quali

The Laboratory Report | Chem Lab

The combined extracts were dried over Na 2 SO 4 and the CH 2 Cl 2 was removed using a rotary evaporator. The resulting red oil solidified upon standing. The red solid was then dissolved in a minimum of hot hexane. The yellow solution was decanted from a red oil which did not dissolve and filtered hot.

Evaporator Archives | BioChromato

Evaporation is an integral part of chemistry research and the de facto instrument is the Rotary Evaporator, also referred to as Rotovap. As much as they are commonly used for concentrating solvents, they also have a reputation for issues that include bumping and annihilating substances, slow evaporation, especially for DMSO / DMF and other high-boiling point substances and difficulty .

Solvent Comparison Tool - Eastman Chemical Company

Solvent: Eastman Product? Evaporation Rate, (n-butyl acetate = 1) Chlorothene Methyl Chloroform : 5.7 : Acetone : 6.3 : Amyl Acetate, Primary (Mixed Isomers)

Cleavage of the Graft Bonds in PVDF–g–St Films by Boiling .

The homopolymer formed in the monomer solution was collected by removing the monomer and the solvent by using a rotary evaporator at 60 °C for 5 h. About 570 mg of homopolymer formed in the monomer solution was collected, which suggests that most of the styrene was not polymerized and remained in the solution during the graft polymerization.

Limited of Optimum Method for Separation Xylene Isomers .

isomers of xylene as the boiling point for ortho- xylene is 144.2 ˚C and melting is -25.2˚C either boiling the meta xylene are . was evaporating the solvent using a rotary evaporator and then leave the precpetated in the oven at a temperature 100˚C for 3 hours to vapour the solvent. The packing percentage 5% of the DNP .

Design and fabrication of dioxyphenylcoumarin substituted .

Jun 15, 2017 · The present study introduces cyclotriphosphazene compounds substituted by dioxyphenylcoumarin as a photodiode application. Firstly, 7,8-dihydroxy-3-(3.

Framework-Flexibility Driven Selective Sorption of p .

Jul 21, 2014 · In this context, separation of C 8-alkylaromatic components, specifically the xylene product stream comprising of four isomers: o-xylene (OX), m-xylene (MX), p-xylene .

ROTARY EVAPORATOR RE210 RE510

ROTARY EVAPORATOR RE210 RE510 First Edition Thank you for your Yamato Scientific RE Series Rotary Evaporator purchase. For best test date, we recommend you purchase our BM series Water Bath. Please call Yamato Scientific for more details. Yamato Scientific Read and apprehend the important warnings in this instruction manual prior to use.

Kemtech America Inc. - Product Details

Low profile design sits upright on bench and also provides for easy productaccess with a spatula. The unique flask shape is excellent for the controlledevaporation of foaming solvents such as toluene or xylene on a rotary evaporator.

Synthware™ modified evaporation flask neck Joint: ST/NS 24 .

General description Low profile design sits upright on bench and also provides for easy product access with a spatula. The unique flask shape is excellent for the controlled evaporation of foaming solvents such as toluene or xylene on a rotary evaporator

Macron™ 8668-16 Xylenes, AR ACS Reagent Grade, 4L Poly Bottle

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VARIO select

Automatic evaporation mode is perfect for control-ling applications like rotary evaporation or vacuum distillation. Simply press the start button and the boiling pressure will be detected automatically. As needed, adjustments are made automatically until the process is complete. This makes the process run quickly, and without foaming.