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VWR International

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Magnetic Stirring Bars

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:   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. 19Lx9.5Dmm. For round-bottom flasks sized 10, 25, 50 and 100mL.
Catalog Number: 58949-006
Supplier: VWR International


Product available on GSA Advantage®

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Description:   PTFE* resin-coated, round stir bars have removable pivot ring. 101.6Lx15.9Dmm.
Catalog Number: 58948-952
Supplier: VWR International



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Certificate Certificates    
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Description:   Disposable magnetic stir bars eliminate potential for cross-contamination. Octagonal shape provides increased surface area and turbulence. PTFE* resin-coated.
Catalog Number: 58947-142
Supplier: VWR International



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Certificate Certificates    
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Description:   PTFE* resin-coated, round stir bars. 12.7Lx7.9Dmm.
Catalog Number: 58949-061
Supplier: VWR International



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Certificate Certificates    
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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. 50.8Lx19.0Dmm. For round-bottom flasks sized 2000 and 3000mL.
Catalog Number: 58949-002
Supplier: VWR International



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Description:   PTFE* resin-coated, octagon-shaped stirring bars with molded-on pivot ring. 63.5Lx7.9Dmm.
Catalog Number: 58948-309
Supplier: VWR International



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Certificate Certificates    
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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. 76.2Lx19.0Dmm. For round-bottom flasks sized 12000 and 22000mL.
Catalog Number: 58949-008
Supplier: VWR International



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Certificate Certificates    
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Description:   Disposable magnetic stir bar eliminates potential for cross-contamination. Octagonal shape with a molded pivot ring provides increased surface area and turbulence. PTFE* resin-coated. 50Lx8dia. mm.
Catalog Number: 58947-146
Supplier: VWR International



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Certificate Certificates    
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Description:   Disposable magnetic stir bar eliminates potential for cross-contamination. Octagonal shape with a molded pivot ring provides increased surface area and turbulence. PTFE* resin-coated. 41Lx8dia. mm.
Catalog Number: 58947-144
Supplier: VWR International



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Certificate Certificates    
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Description:   18 PTFE* resin-coated, polygon stir bars contained in a plastic, compartmented Spinbox* with indexed cover. Includes two each of the following: 10x6mm, 15x6mm, 20x7mm, 25x8mm, 30x8mm, 40x8mm, 50x8mm, 60x8mm, and 80x10mm.
Catalog Number: 58948-072
Supplier: VWR International



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Description:   PTFE* resin-coated, polygon shaped. 50.8Lx9.5Dmm.
Catalog Number: 58948-980
Supplier: VWR International



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Description:   VWR* Stirbar/Spinbar, Magnetic, Polygon, Alnico Magnet, FDA Grade, USP Class VI, Material: Teflon PTFE, Durable, Inert, ISO 9001:2008, Dimensions: 70 X 10Mm (2-3/4 X 3/8in), Autoclavable, Color: White
Catalog Number: 76001-894
Supplier: VWR International



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Description:   Color: red. Size: 22.2x7.9mm.
Catalog Number: 58948-085
Supplier: VWR International



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Description:   PTFE* resin-coated, round stir bars have removable pivot ring. 38.1Lx9.5Dmm.
Catalog Number: 58949-119
Supplier: VWR International



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Description:   Solid PTFE* resin vanes with cross mounted, molded-in magnets. For 3mL or 5mL vials and conical tubes.
Catalog Number: 58949-272
Supplier: VWR International


Product available on GSA Advantage®

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Description:   VWR* Stir Bar magnetic, Spinbar, Shape: Polygon, Colour: White, With center molded pivot ring, Minimizes contact between bar and vessel, Made of Alnico magnet, with FDA grade, USP Class VI Teflon PTFE, Durable, ISO 9001:2008, Autoclavable, Size: 35x6mm
Catalog Number: 76006-400
Supplier: VWR International



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