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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.

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.

BUMP TRAPS - VWR International

BUMP TRAPS Bench Scale Rotary Evaporators When using a bench top rotary evaporator there is always a chance the solution may foam, splash, or bump from the flask. This always results in a large mess which contaminates the condenser and receiving flask, requiring a time-consuming clean up. For safety and prevention, the solution is to insert a ...

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”.

Bumping The Rotovap

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

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 ...

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 solvent waste bottle located in the rotovap hood, remove your sample from the system and if you bumped into the bump trap remove it from the hood and subject it to the typical cleaning method employed by the lab. Step by step instructions located in rotovap hood area if further information is required. Personal Protective Equipment:

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 ...

Parts Accessories

Set Rotavapor connection. Combining the Multivapor TM or SyncorePlus with the Rotavapor requires a T-shaped glass connector for the condenser of the rotary evaporator. The T-piece consits of two spherical joints for the condenser assembly and a SVL 22 joint for the vacuum tube. The length of the tube is 400 mm. Get quote.

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.

Ecodyst EcoChyll S Complete Small Rotovap System 3L

The Ecodyst EcoChyll S Complete System is engineered for convenient, small-scale extraction processes where space is at a premium. This rotovap system pioneers tankless evaporation technology for low volume extractions. It provides an efficient and safe alternative to chillers based on dry ice or antifreeze. The EcoChyll S is compatible with traditional small rotovaps …

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 ...

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. ...

Rotovap and Lyophilization - Adams Chittenden Scientific ...

We manufacture bump traps in a variety of sizes and configurations. The most common are based on a 250 ml round bulb, with the inside tube coming up from the male joint. ... Rotovap cleaner The rotovap cleaner assists you in cleaning out the gunk that accumulates in the vapor duct and head of your rotary evaporator. With the rotation stopped ...

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