looking for suitable laboratory equipment?

Our professionals are available 24*7. You can call us any time.

To understanding
Chapter 14: Solvent Removal

Chapter 14: Solvent Removal

2. Prepare the rotovap. Using the handle, raise up the core part of the rotovap assembly. If the solvent trap is more than half-full, detach it and empty it into the organic waste. Check that the rotovap’s bump trap and adapter are clean. If the sample will become a free-flowing powder after the solvent is removed (for instance, if you are

More Product
Selecting a Suitable Vacuum Pump for Your Rotary Evaporator

Selecting a Suitable Vacuum Pump for Your Rotary Evaporator

Apr 04, 2019 Ideally, a pump used in a rotovap setup should be oilless and chemical-resistant to make sure it lasts as long as possible. The most commonly used pumps for this purpose are diaphragm (or membrane displacement) pumps. A variety of pumps (from left to right): an ME1 Diaphragm Pump, a VP Series Vacuum Pump, and a MVP 10 basic Vacuum pump.

More Product
Rotary Evaporator Fact Sheet - UMass Amherst

Rotary Evaporator Fact Sheet - UMass Amherst

avoid wasting water. 8. Use a bump bulb (see picture) placed between your sample and the condenser to prevent contamination of the condenser area (and your sample) in the event of bumping. Remove and clean the bump bulb from the rotovap immediately after use to ensure ground glass joint connections do not stick together and to prevent

More Product
Remove Residual Water - University of Rochester

Remove Residual Water - University of Rochester

Celite: Sometimes it is useful to filter small scale reactions through Celite to remove trace water. High vacuum: Placing a sample on the high vacuum line for a hour, or overnight (depending on the compound) sometimes removed residual water. Azeotroping: Often traces of a high boiling solvent or other impurity can be removed from a product or ...

More Product
How to Use a Rotary Evaporator? - Rotovap

How to Use a Rotary Evaporator? - Rotovap

Dec 20, 2019 A rotary evaporator (rotovap or rotavap) refers to a kind of equipment for solvent evaporation under reduced pressure, which is composed of a vacuum system, a heated water or oil bath, a condenser and a motor that rotates the evaporation flask. They cooperate with each other and all play an essential role in the working process of a rotary evaporator.

More Product
Buchi 20/40/60 rule for Rotary Evaporators

Buchi 20/40/60 rule for Rotary Evaporators

Doc: CHEMFS rotovap pressure-temp Custodian: Dept. Chem. School Safety Coordinator Page 1 of 1 Created: Feb 2005 Last Review : Dec 2010 Next Review: Dec 2013 ... The cooling water temperature should be below 20oC. 3. Adjust the needed vacuum for a solvent boiling point of 40oC according to list below. Reference: Buchi: List of Solvents .

More Product
Rotovap for sale eBay

Rotovap for sale eBay

Get the best deals on Rotovap when you shop the largest online selection at eBay.com. Free shipping on many items ... B-465 Water Bath, Rotovap w/ Condenser. $639.20. Was: $799.00. Free shipping. ... 2L Rotary Evaporator Rotovap for efficient and gentle removal of solvents . $780.00. $400.00 shipping. or Best Offer.

More Product
Rotovap - Dartmouth College

Rotovap - Dartmouth College

Important Features of the Rotovap. 1) The vacuum pump is the source of reduced pressure in the system. 2) Spin speed and bath temperature control knobs. 3) Water bath. 4) Bump guard. 5)Cold finger. (Please do not use the rotovap if the finger is not cold. There should be excess solid dry ice in the finger.) 6)Vacuum release valve.

More Product
Rotavaping DMF - MJLPHD

Rotavaping DMF - MJLPHD

Jan 10, 2014 To rotavap DMF, Dow Corning high vacuum grease must be freshly applied to the joins and Keck clips used to hold the flask onto a non-reversible splash-guard. With the water bath at 55 C the vacuum will need to be lowered to 25 Torr; at 70 C the required vacuum is only 25 Torr. A 100 mL pre-weighed flask and a 500 mL non-reversible splash ...

More Product
How do I evaporate water and ethanol using a rotary evaporator?

How do I evaporate water and ethanol using a rotary evaporator?

Jan 20, 2022 However the US commonly uses ~10% ethanol gasoline. What I may suggest to make the rotavap operate more quickly is to increase the ethanol %, decrease pressure and sparingly increase temperature ...

More Product
Rotovap Distillation: What Is A Rotary Evaporator? BVV

Rotovap Distillation: What Is A Rotary Evaporator? BVV

Jul 21, 2017 The rotovap size depends on how many liters you need to recover. That being said, the most common sizes are 5L, 10L, 20L, and 50L. The size refers to the size of the evaporating flask. It’s important to note that the flask is not loaded at max capacity during operation, but usually around 20-40% capacity. ...

More Product
Azeotropes in Rotary Evaporation Blog

Azeotropes in Rotary Evaporation Blog

Jun 21, 2021 The boiling point of the 1-propanol/water azeotrope mentioned above is 87.7C, whereas the boiling point of 1-propanol is 97C and that of water is 100C. ... Considerations When Evaporating Azeotropes with a Rotovap. Depending on your specific application, azeotropic behavior may be a help or a hindrance. Here are some factors to consider:

More Product
Ethanol Removal in Cannabis Applications Blog

Ethanol Removal in Cannabis Applications Blog

Oct 31, 2019 Optimal Rotovap Operating Conditions for Ethanol Removal. The recommended vapor temperature for ethanol extraction is 25–30C. Boiling ethanol at 30C requires a pressure of 123 mbar, and boiling at 25C requires a pressure of 95 mbar. The 20/40/60 rule offers a general guideline for rotovap operating conditions.

More Product
Home Environmental Health Safety UCI

Home Environmental Health Safety UCI

Remove the water from the hot water bath when finished using the rotovap, this will prevent it from evaporating and leaving behind a residue. Residues are difficult to remove and decrease the efficiency of the water bath. Also, change the water regularly to …

More Product
Rotavapor R-100

Rotavapor R-100

The Rotavapor R-100 is an entry-level rotary evaporator that meets the essential needs in economical evaporation and is developed according to BUCHI’s high-quality standards. Evaporating flask size: 50 - 4000 mL. Lift mechanism: Manual.

More Product
Rotavapor R-300

Rotavapor R-300

The Rotavapor R-300 meets the highest expectations of convenience and versatility in rotary evaporation. Its modular design allows the R-300 to be extended to a fully integrated system where a central interface regulates each component. Evaporating flask size: 50 – 5000 mL. Lift mechanism: Manual or automatic. Temperature range: 20 – 220 C.

More Product
What Are Rotovaps and How Can They be Used?

What Are Rotovaps and How Can They be Used?

What is a rotovap? A rotary evaporator is a device used in chemical laboratories for the efficient and gentle removal of solvents from samples by evaporation. A rotovap acts like a filter to separate the unwanted components in the extract as a final step to crude oil. The rotovap is a simple concept with a lot of moving parts.

More Product
Latest News
X

CONTACT US

If you are interested in our products, please contact us, your satisfaction is our eternal pursuit!