Our Products

Rotary Evaporator

Laboratory equipment

Jacketed Reactor

Contact Us

We Cherish All Interactions

When Reagents Attack! | In the Pipeline

One day, after rotavaping off thionyl chloride from a reaction, he poured the contents of the rotavap trap into a bottle for the next time he needed the "expensive" reagent. Oh yeah, he tightened the cap on the bottle real tight. . (stick a piece of pH paper in an already sore eye!), and abrasions to the surface of my eye (cornea?). It .

Rotavap or Centrifuge? - Kitchen Consumer - eGullet Forums

Mar 13, 2016 · The rotavap seems to be fun when experimenting with flavours but it seems to be very big ant difficult to set up. The centrifuge seems to be easier to use but almost as expensive as the rotavap if I decide to buy a new unit. . But our overall use of this piece of equipment is somewhat low. Given that we wanted four open burners and two flat .

Kat's DIY - Rotavap - Weekly Reflections

Rotavap - Weekly Reflections Kat's DIY - Rotavap - Weekly Reflections . There are not that many recipes online that use the rotary evaporator because it is a rare piece of equipment in the kitchen because of its cost. However, there are resources available to get ideas for recipes and methods. For extractions, I can put solid pieces into the .

Using a rotary evaporator

Nov 18, 2008 · The mysteries of using a rotary evaporator seem to baffle many a new undergraduate in chemistry labs. See how to use this piece of kit to remove solvents safely and effectively.

Rotary-evaporator dictionary definition | rotary .

rotary-evaporator definition: Noun (plural rotary evaporators) 1. (chemistry, biochemistry) A piece of laboratory equipment used to gently evaporate solvents from a chemical solution in a temperature controlled environment.Origin rotary + evaporator.

How can I used rotary evaporator to obtain my solid from .

You need almost one magnitude lower pressure (e.g. < 0.5 mbar) what is difficult to reach in rotavap. But, if you can set this low vac, put a piece of paper towel tightly (but not very tightly .

ORGANIC LABORATORY TECHNIQUES 8 8.1 ROTARY .

ORGANIC LABORATORY TECHNIQUES 8 8.1 ROTARY EVAPORATION : THE "ROTOVAP" (quick link to video : rotary evaporation) water The rotary evaporator or "rotovap" is an expensive piece of apparatus that needs to be used with great care.

Rotovap Startup

• It is an expensive and semi-fragile piece of equipment. • Use common sense and follow the procedures and the rules. H. Leave the rotovap as you found it; CLEAN and IN WORKING CONDITION! Author: MDrake2 Created Date:

Rotavap or Centrifuge? - Kitchen Consumer - eGullet Forums

Mar 13, 2016 · The rotavap seems to be fun when experimenting with flavours but it seems to be very big ant difficult to set up. The centrifuge seems to be easier to use but almost as expensive as the rotavap if I decide to buy a new unit. . But our overall use of this piece of equipment is somewhat low. Given that we wanted four open burners and two flat .

Separation of Compounds Using Column Chromatography .

The adsorbent is made into slurry with a suitable liquid and placed in a cylindrical tube that is plugged at the bottom by a piece of glass wool or porous disc. The mixture to be separated is dissolved in a suitable solvent and introduced at the top of the column and is allowed to pass through the column.

Buchi RE121 Rotavap 350 - JLA FORUMS

This is a working Buchi rotavap for vacuum solvent extraction. There are no broken pieces and the unit comes with a 1L boiling and collecting flask. There is no hot plate attachment however, there are connections for a hot plate and thermometer. I am asking 350 or best offer. Price: 350; Read more.

Why a Rotary Evaporator Won't Hold Vacuum and What to Do .

Jan 12, 2018 · Vacuum is an important component of a rotary evaporation system (see our previous post on the subject).During usage, it is equally important to make sure your system works well and "holds vacuum" - in other words, that it maintains the pressure and does not leak outside air into the system.

Contents

1 BÜCHI Rotavapor R-114 Contents Contents 1 Scope of delivery 2 2 Safety 3 3 Function 7 4 Putting into operation 10 4.1 Unpacking 10 4.2 Point of use 10

Rotovap - Dartmouth College

Rotary Evaporator (Rotovap) Even though the rotary evaporator (or rotovap for short) looks pretty complicated, it's really pretty simple. The purpose of the rotovap is to remove low boiling organic chemicals, usually solvents, from a mixture of compounds.

How to concentrate aqueous suspension without heating?

An old and nice way to concentrate proteins is to put your sample in a dialysis tubing with a 3500 dalton cutoff. Then you spread Poly(ethylene glycol) 8000 as powder over the membrane tubing.

: Buchi R-200 Rotavapor System (Includes .

To help facilitate compound evaporation the R-200 Rotavap also includes a V-500 Vacuum pump with a final vacuum of . 15 mbar. With a small footprint of only 0.14 m², a two-piece cold trap condenser, a motorized hydraulic mechanism, a visible LCD display, and a slew of devices to help facilitate compound evaporation the Buchi Rotavapor R-200 .

How To Use A Rotary Evaporator / Rotovap? - WKIE LAB.com

Mar 31, 2020 · The standard rotary evaporator is a piece of equipment that features a specialized water bath that is either heated in a crystallization dish or metal containers. . The flask that contains a solution will be positioned on the rotavap. The bump trap performs the function of preventing the solution from spilling over and getting inside the .

Buchi Rotavapor R-200 Rotary Evaporator

The Buchi Rotavapor R-200 Rotary Evaporator System provides gentle efficient evaporation, in a modular contained instrument. This rotavapor system handles basic evaporation needs and rotates flasks between 50 ml and 300ml at between 20 -280 rpm that can be set from the analog knob at the top of the unit. This rotary evaporator has a two-piece cold trap condenser, and a motorized lowering .

buchi rotary evaporator r-114

Rotary evaporator - Wikipedia A rotary evaporator (or rotavap /rotovap) is a device used in chemical laboratories for the efficient and gentle removal of solvents from samples by evaporation.When referenced in the chemistry research literature, description of the use of this technique and equipment may include the phrase "rotary evaporator .

Rotary Evaporator - Rotavapour Latest Price, Manufacturers .

This model of evaporator is supplied complete with A.C. Non-sparking geared drive unit, support stand fitted with jack arrangement of stainless steel rod for positioning glass assembly, variable speed regulator, thermostatically controlled stainless steel water bath fitted on a jack, double coiled glass condenser with three

How to Use a Rotary Evaporator (Rotavap)

Aug 22, 2016 · This is a video from FabioChem demonstrating the correct way to use a rotary evaporator (rotavap). Details not explained in the video (in educational settings, these will usually be done by your .

Sciencemadness Discussion Board - Which piece of owned .

Jul 12, 2014 · Which piece of owned glassware is your favorite. Out of all the pieces of laboratory glassware that you own, which is your favorite. . My separatory funnel, and i'm still longing to try out my rotavap and soxhlet-extractor. They've been sitting on a shelf for a long time and i've never found the time to use them.

Separation of Compounds Using Column Chromatography .

The adsorbent is made into slurry with a suitable liquid and placed in a cylindrical tube that is plugged at the bottom by a piece of glass wool or porous disc. The mixture to be separated is dissolved in a suitable solvent and introduced at the top of the column and is allowed to pass through the column.

Home []

Specializing in rotavap repair in the metro Cambridge area. I am a former Buchi service engineer servicing all Rotary Evaporators, Vacuum Pumps, Water Baths and Chillers. I can work on smaller bench top roti systems and all the way up to large scale 50L units.

Buchi RE121 Rotavap - tools - by owner - sale

Buchi RE121 Rotavap - 350 < image 1 of 3 > make / manufacturer: Buchi model name / number: RE-121. QR Code Link to This Post. This is a working Buchi rotavap for vacuum solvent extraction. There are no broken pieces and the unit comes with a 1L boiling and collecting flask. There is no hot plate attachment however, there are connections for a .

Concentrating extract in a rotavap

After winterized extract has been filtered, a rotary evaporator, or rotavap, is used to concentrate the extract by evaporating off most of the remaining ethanol. Major objectives in this process are to quickly concentrate the mixture of crude oil and ethanol to the point where it is only a few percent ethanol, to recover the evaporated ethanol for later use, and to keep the evaporation process .

Rotary Evaporation in the Kitchen

It is my favorite piece of kitchen equipment. It allows me to create flavors that would otherwise be impossible. One more personal note: Be careful with the glass! It always breaks when you need it. Then you need to pay full price because you can't wait for the .

USA Lab 20L Rotary Evaporator Turnkey Setup Rotovap RE .

The RE-1020 Evaporator is made with GG-17 High Borosilicate Glass, and has been designed for efficient use of surface area.This means faster recovery without compromising quality.Our evaporators come standard with safety features such as over-temperature shut off and dry-run protection.All valves and ports are high efficiency allowing a continuous feed of material as well as draining the .

Shop Rotary Evaporators & Rotovaps [Price Matched]

A rotary evaporator (or rotavap or rotovap) . While a similar effect could theoretically be achieved with a non-rotating piece of distillation glassware, both friction and gravity (coupled with the centrifugal force of the rotation of the flask) create a thin layer of the sample, evenly coating the glass. .

Rotary evaporator - WikiMili, The Free Encyclopedia

A rotary evaporator (or rotavap [1] /rotovap) is a device used in chemical laboratories for the efficient and gentle removal of solvents from samples by evaporation.When referenced in the chemistry research literature, description of the use of this technique and equipment may include the phrase "rotary evaporator", though use is often rather signaled by other language (e.g., "the sample was .