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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:   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:   PTFE* resin-coated stir bars with pivot ring. SpinPak* contains six bars total, two each of the following sizes: 25.4Lx7.9Dia.mm, 38.1Lx7.9Dia.mm and 50.8Lx7.9Dia.mm.
Catalog Number: 58948-025
Supplier: VWR International



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Description:   Solid PTFE* resin vanes with cross mounted, molded-in magnets. For 1mL micro vials and conical tubes.
Catalog Number: 58949-270
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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Description:   VWR* Stirbar/Spinbar, Magnetic, Micro Flea, Alnico Magnet, FDA Grade, USP Class VI, Material: Teflon PTFE, Durable, Inert, ISO 9001:2008, Dimensions: 6.35 X 3Mm (0.250 X 0.118in), Autoclavable, Color: Red
Catalog Number: 76001-850
Supplier: VWR International



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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:   PTFE* resin-coated, octagon-shaped stirring bars with molded-on pivot ring. 34.9Lx9.5Dmm.
Catalog Number: 58947-128
Supplier: VWR International



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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:   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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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:   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:   PTFE* resin-coated, flea-size, polygon magnetic stir bars. 15Lx1.5Dia.mm.
Catalog Number: 58948-411
Supplier: VWR International



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Certificate Certificates    
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Description:   Convenient blister packs of popular PTFE* resin-coated, octagon, Spinbar magnetic stir bars. Each pack contains one size. 50.8Lx7.9Dmm.
Catalog Number: 58949-038
Supplier: VWR International



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Certificate Certificates    
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Description:   PTFE* resin-coated, octagon-shaped stirring bars with molded-on pivot ring. 28.6Lx7.9Dmm.
Catalog Number: 58948-950
Supplier: VWR International



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Certificate Certificates    
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Description:   VWR* Stirbar/Spinbar, Magnetic, Micro Flea, Pivot Ring, Alnico Magnet, FDA Grade, USP Class VI, Material: Teflon PTFE, Durable, Inert, ISO 9001:2008, Dimensions: 8 X 3Mm (0.315 X 0.118in), Autoclavable, Color: White
Catalog Number: 76001-876
Supplier: VWR International



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Description:   PTFE* resin-coated, round stir bars have removable pivot ring. 31.8Lx7.9Dmm.
Catalog Number: 58948-960
Supplier: VWR International



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