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Magnetic stirring bars provide effective stirring of samples via magnetic manipulation. Many models feature an octagonal shape with a central integrated pivot ring for optimal turbulence while stirring thanks to a greater surface area. The heavy-duty magnetic strips is one of the frequently used tools, strong enough to hold the solution. Commonly coated in Teflon to provide chemical inertness, occasionally glass will be the coating for use with most liquid alkali metals and alkali metal solutions in ammonia. Both of these coatings are inert and will not contaminate or react with the reaction solution.

Magnetic stirring bars provide effective stirring of samples via magnetic manipulation. Many models feature an octagonal shape with a central integrated pivot ring for optimal turbulence while stirring thanks to a greater surface area. The heavy-duty magnetic strips is one of the frequently used tools, strong enough to hold the solution. Commonly coated in Teflon to provide chemical inertness, occasionally glass will be the coating for use with most liquid alkali metals and alkali metal solutions in ammonia. Both of these coatings are inert and will not contaminate or react with the reaction solution.


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Description: Rare Earth, Molded in pure, FDA approved, PTFE or polypropylene. Autoclavable. 10mm diameter x 250mm length
Catalog Number: 89026-262
Supplier: VWR International

Description: Perform well with problem liquids, viscous mixtures, metal particles in fluids and round (convex) bottom vessels. Each is designed as a 8mm diameter bar with solid, color-coded, 20mm diameter, PTFE* resin end discs. Reusable container. White. 32mm long.
Catalog Number: 58947-849
Supplier: VWR International


Description: PTFE* resin-coated, polygon shaped. 22.2Lx4.8Dmm.
Catalog Number: 58948-080
Supplier: VWR International


Description: The PTFE* resin-coated, Spinfin magnetic stirring bar agitates liquids in round-bottom test tubes and flasks, where other stirring bars cannot be used. Maintains position; will not wobble. 9.5Lx9.5Dmm.
Catalog Number: 58948-996
Supplier: VWR International


Description: PTFE* resin-coated, octagon-shaped stirring bars with molded-on pivot ring. 76.2Lx12.7Dmm.
Catalog Number: 58948-193
Supplier: VWR International

Description: Mixes speedily and efficiently. The plus-sign shape creates a deep vortex and provides stable, quiet operation. PTFE* resin-coated. 25.4Lx25.4Dmm.
Catalog Number: 58947-824
Supplier: VWR International

Description: PTFE* resin-coated, octagon-shaped stirring bars with molded-on pivot ring. 25.4Lx7.9Dmm.
Catalog Number: 58948-138
Supplier: VWR International

Description: PTFE* resin-coated, round stir bars have removable pivot ring. 25.4Lx9.5Dmm.
Catalog Number: 58949-094
Supplier: VWR International

Description: These PTFE* resin-coated, star-shaped, magnetic stir bars create a deep vortex at relatively slow speeds. They fit exactly the inside diameter of the beakers indicated. For 400mL beaker size.
Catalog Number: 58949-032
Supplier: VWR International


Description: PTFE* resin-coated, polygon shaped. 22.2Lx9.5Dmm.
Catalog Number: 58948-985
Supplier: VWR International

Description: PTFE* resin-coated, round stir bars. 19Lx7.9Dmm.
Catalog Number: 58948-956
Supplier: VWR International


Description: Color-coded PTFE* resin identifies the Spinbar magnetic stirring bars (with pivot ring). Red. 25.4Lx7.9Dmm.
Catalog Number: 58949-066
Supplier: VWR International

Description: PTFE-coded. Color: blue. Size: 76x12.7mm.
Catalog Number: 58948-030
Supplier: VWR International


Description: Perform well with problem liquids, viscous mixtures, metal particles in fluids and round (convex) bottom vessels. Each is designed as 8mm diameter bar with solid, color-coded, 20mm diameter, PTFE* resin end discs. Reusable container. Yellow. 32mm long.
Catalog Number: 58947-929
Supplier: VWR International


Description: Color-coded PTFE* resin identifies the Spinbar magnetic stirring bars. Yellow. 12.7Lx3.0Dmm.
Catalog Number: 58949-044
Supplier: VWR International


Description: Designed specifically for round bottom flasks and vessels. The PTFE* resin-coated, egg-shaped, magnetic stir bar fits the round bottom for uniform stirring without restriction. 38.1Lx15.9Dmm. For round-bottom flasks sized 300 and 500mL.
Catalog Number: 58949-016
Supplier: VWR International


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