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Section 5.13 Title: Using the Rotary Evaporator Revision ...

1. To begin, choose a bump trap of appropriate joint size based on the flask you intend to use. Secure this trap to the rotovap using the spring-loaded metal clamp shown in the picture. Do not use any grease on these joints. 2. Attach your flask to the trap using the appropriately sized Keck clamp. NOTE: This rotovap is equipped to handle round-

Rotovaps The Buchwald Research Group

2. Cleaining the vapor duct and bump trap. If acetone/other solvent doesn't cut it, a quick dip in the base bath should. Once the connector is clean, …

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

Standard Operating Procedure Task: Rotary Evaporation

4. Attach the bump (splash) trap to the joint on the rotator of the rotovap using a clip; then connect your round-bottom flask to the bump trap using a second clip. Do no use grease on the rotovap joints. The clean ground glass joint connections will make an adequate seal and avoid getting grease in your samples. 5.

Rotary Evaporator Fact Sheet - UMass Amherst

6. Always use a cold trap in between the rotovap and the pump. Never use a liquid nitrogen to cool the trap as this can cause condensation of liquid oxygen. Empty the trap after each use. If a trap becomes clogged, immediately shut off the vacuum, disconnect the trap and e nsure it is open to atmosphere to prevent explosion. Allow the trap to ...

ADAPTERS ROTARY EVAPORATORS VIALS - Chemglass

Adapters permit the connection of standard laboratory dram sample vials directly to the vapor tube or a bump trap of a rotary evaporator. Adapters have a top outer joint of the listed size and a 20-400 G.P.I. thread at the bottom. A PTFE-lined, phenolic, double-threaded connector attaches the vial to the adapter.

Rotovap - Lab Instrument Manufacturer

After doing so, attach the flask and bump trap to the adapter portion of the rotary evaporator and secure it with a Keck clip. This feature will prevent your solution from entering the main part of the rotary evaporator. ... Remove and clean the bump bulb from the rotovap immediately after use to ensure ground glass joint connections do not ...

How does a Rotary Evaporator Remove Solvent? - Rotovap

Aug 09, 2019 Fill the rotovap cold traps with dry ice. Attach a glass “bump trap” to prevent any solution from entering the main part of the rotovap. Secure with a clip. Connect the flask and bump trap to the adaptation part with a clip. Lower the flask into the water bath, preventing the flask from disconnection. 2.

Chemglass Life Sciences Bump Trap 100mL Self Washing ...

Bump Trap, 100mL, Self Washing, Rotary Evaporator, 24/40 Top Outer, 29/26 Lower Inner. Trap is designed to eliminate hold up common to the round style of rotary evaporator traps. Tapered sidewalls permit continuous washing with condensed solvent while preventing vapor cooling points along the path of the condenser. The upper stem has 4 large ...

Chemglass Life Sciences Bump Trap 250mL Rotary ...

Bump Trap, 250mL, Rotary Evaporator, 24/40 Top Outer, 24/40 Lower Inner. Used between the vapor tube and evaporation flask on a rotary evaporator to prevent contents of the flask from being drawn into the condenser in the event of “bumping.” Traps have a 24/40 top outer joint and the listed size of lower inner joint.

Home Environmental Health Safety UCI

Connect the bump trap to the rotovap and secure with the metal clip or a keck clip depending on the model of rotovap (pictured below). The bump trap should be kept clean, it provides a receptacle in case the solution splashes or boils beyond the flask. A clean bump trap can allow for recovery of any solution that “bumps”.

Ice Build Up On Rotovap Trap -

Connect the bump trap to the rotovap and secure with the metal clip or a keck clip depending on the model of rotovap (pictured below). The bump trap should be kept clean, it provides a receptacle in case the solution splashes or boils beyond the flask. A clean bump trap can allow for recovery of any solution that “bumps”. Get Details

Bump Trap for Being Rotary Evaporators

Contact Us. Thanks for your interest in the Bump Trap for Being Rotary Evaporators! We'll get back to you as soon as we can. We apologize, something went wrong. Please try again later or contact us at [email protected] Your Name Please enter your name. Email Please enter a valid email address Receive exclusive promotions by email.

Keep Silica Out of your Bump Trap: Solid Sample Loading ...

Feb 11, 2021 When adsorbing a compound onto the silica, during solvent evaporation on the RotoVap, a common problem is silica bumping into the bump trap creating a potential loss of sample and the hassle of recovering the silica from the bump trap. A cool little trick to avoid all that trouble is to use the frit that comes with the 5-g solid load cartridge ...

What is Rotary Evaporator Working Principle? - Rotovap

Feb 27, 2019 b. Fill the rotovap cold traps with dry ice. c. Attach a glass “bump trap” to prevent any solution from entering the main part of the rotovap. Secure with a clip. d. Connect the flask and bump trap to the adaptation part with a clip. e. Lower the flask into the water bath, preventing the flask from disconnection. 2. Operation

Rotary Evaporation to Remove Solvent Organic Chemistry ...

Fill the rotovap cold traps with dry ice. Attach a glass bump trap which prevents any solution from entering the main part of the rotovap. Secure with a Keck clip. With a Keck clip attach the flask and bump trap to the adapter portion of the roto-evaporator. Lower the flask into the water bath. This helps to prevent the flask from ...

Rotovap Distillation: What Is A Rotary Evaporator? - BVV

Jul 21, 2017 Cold Trap. The cold trap is placed between your vacuum pump and rotovap to protect the pump from further contamination. Cold traps are essential for rotovaps because they catch any vapors that pass through the condenser. The cold trap will be …

Standard Operating Procedure: Rotovaps

Jun 06, 2016 Before using the rotovap, operator should be familiar with the various rotovap components and definitions. First take your sample solution (in round bottom flask—volume half full) to the rotovap you wish to use. A bump trap (located in the drawer next to the rotovap hood) should be placed between the

How to Minimize Bumping and Foaming Blog -

Jun 26, 2017 Bumping occurs when a sample boils rapidly, forming bubbles that cause the sample being concentrated to splash out of the flask. This is normally caused by heating too quick or applying too strong of a vacuum. The chances of it causing damage and splashes into the rotovap are increased if your evaporation flask is more than half full. Go slow, start with little …

KONTES Bump Pige dans la moiti suprieure 100 ml ...

Les meilleures offres pour KONTES Bump Pige dans la moiti suprieure 100 ml vaporateur Rotatif 24/40 Upper 19/22 Lower sont sur eBay Comparez les prix et les spcificits des produits neufs et d'occasion Pleins d'articles en livraison gratuite!

Chemglass Life Sciences Rotary Evaporator ... - Fisher Sci

Manufacturer: Chemglass Life Sciences CG131840. 24/40 Glass Adapter with All 6 Threaded Vial Adapters: 13-425, 15-425, 18-425, 20-400, 22-400, 24-400. Adapters permit the connection of standard laboratory dram sample vials directly to the vapor tube or a bump trap of a rotary evaporator. Adapters have a top outer joint of the listed size and a ...

Rotary Evaporator Bump Traps Chemglass VWR

Rotary Evaporator Bump Traps is used between the vapor tube and evaporation flask on a rotary evaporator to prevent contents of the flask from being drawn into the condenser in the event of bumping. Modified bump traps provide expanded volume for reactions that have a tendency to foam excessively. The inner vapor tube is sealed to the top of the trap to prevent …

Rotary Evaporator Trap at Thomas Scientific

Rotary Evaporator Bump Traps, Modified Chemglass Trap provides expanded volume for reactions that have a tendency to foam excessively. The inner vapor tube is sealed to the top of the trap to prevent entry into the condenser. Traps have a 24/40 top outer joint and the listed size of lower inner joint. Related Products: Rotary Evaporator Bump Traps

Bump Trap at Thomas Scientific

Rotary Evaporator Bump Traps, Modified Chemglass Trap provides expanded volume for reactions that have a tendency to foam excessively. The inner vapor tube is sealed to the top of the trap to prevent entry into the condenser. Traps have a 24/40 top outer joint and the listed size of lower inner joint. Related Products: Rotary Evaporator Trap

Rotovap and Lyophilization - Adams Chittenden Scientific ...

Rotovap cleaner The rotovap cleaner assists you in cleaning out the gunk that accumulates in the vapor duct and head of your rotary evaporator. ... These can be as simple as a set of two joints with the frit interposed, or a frit sealed into the bump trap itself, or into a lyophilizer adapter. These show a notched frit, to provide a vacuum ...

Chemglass Glass 250ml Rotary Evaporator Rotovap Bump Trap ...

Share - Chemglass Glass 250ml Rotary Evaporator Rotovap Bump Trap 24/40 - 14/20. Chemglass Glass 250ml Rotary Evaporator Rotovap Bump Trap 24/40 - 14/20. Be the first to write a review. About this product. Current slide {CURRENT_SLIDE} of {TOTAL_SLIDES}- Top picked items. Brand new. $87.49. Used - Like New. $64.99. Pre-owned.

BUMP TRAPS - VWR International

the flask and vapor duct, isolating solvents from contacting the condenser and receiving flask. The bump trap will contain any foam, splashes, or bumped solvents in the bulb which then can easily be returned to the flask. All bump traps are made of heavy wall borosilicate glass with high-quality, durable, reinforced standard taper joints. Anti ...

Rotovap - Dartmouth College

The rotovap should be turned on and the trap cooled. If this is not the case, ask your TA for assistance. 1. Attach your flask to the bump guard of the rotovap using a Keck clip. The flask should not be more than half full of liquid. Notice that the Keck clip has larger and smaller sides to accommodate the larger neck of the round bottom flask ...

USA Lab 2L Rotovap Bump Trap Adapter 24/40 - USA Lab

The USA Lab 2L bump trap is a convenient add on for your 2L rotovap. This product is designed to catch any splash back from your rotovap. For Technical Support, Questions, or Other Issues Please Email or Call Us! Other top rated products Rotovap Dome Cover - 20L, 50L (2) USA Lab 1 5 Micron... (1) USA Lab 8MM Rubber Vacuum Hose... (2)

Rotary Evaporator Bump Traps Fritted Disc

These bump traps have an extra coarse fritted disc sealed between the lower inner and top outer joint to prevent the contents of the flask from bumping into the condenser. This is a convenient, space-saving design good for cramped dry boxes, for example. The top outer joint is a 24/40 standard taper. The bottom standard taper inner joint is available in 14/20, 24/40 or 29/42 sizes.

Lab Glassware - Bump Trap 24 40 - Trout Underground

This listing is for a Chemglass Rotovap bump trap. Used between the vapor tube and evaporation flask on a rotary evaporator to prevent contents of the flask from being drawn into the condenser in the event of“bumping. Traps have a 24/40 top outer joint and 24/40 lower inner joint. Used. Excellent condition. If not satisfied for ANY reason.

ROTARY EVAPORATORS - 2L - Page 1 - USA Lab

USA Lab 2L Rotovap Bump Trap Adapter 24/40. The USA Lab 2L bump trap is a convenient add on for your 2L rotovap. This product is desig. $99.00. Add to Cart. USA Lab. PTFE Oil Seal Set for USA Lab 2L RE-200A Rotary Evaporator. Our 2L PTFE Oil Seal Set fits our 2L RE-200A Rotary Evaporator Systems. ...

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