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Magnetic Stirring Bars

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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:   PTFE* resin-coated, flea-size, polygon magnetic stir bars. 8Lx1.5Dia.mm.
Catalog Number: 58948-353
Supplier: VWR International


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Description:   PTFE* resin-coated, flea-size, polygon magnetic stir bars. 7Lx2Dia.mm.
Catalog Number: 58948-976
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. 19Lx9.5Dmm. For round-bottom flasks sized 10, 25, 50 and 100mL.
Catalog Number: 58949-006
Supplier: VWR International


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



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Description:   PTFE* resin-coated, polygon shaped. 25.4Lx9.5Dmm.
Catalog Number: 58948-983
Supplier: VWR International



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



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Description:   Mixes speedily and efficiently. The plus-sign shape creates a deep vortex and provides stable, quiet operation. PTFE* resin-coated. 3/4x 1/2 inch, 19.05mm x 12.7 mm.
Catalog Number: 58947-822
Supplier: VWR International


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Certificate Certificates    
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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: Blue
Catalog Number: 76001-854
Supplier: VWR International



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Description:   Color-coded PTFE* resin identifies the Spinbar magnetic stirring bars (with pivot ring). Red. 38.1Lx7.9Dmm.
Catalog Number: 58949-060
Supplier: VWR International



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Description:   Color-coded PTFE* resin identifies the Spinbar magnetic stirring bars. Red. 12.7Lx3.0Dmm.
Catalog Number: 58949-050
Supplier: VWR International



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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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Description:   Round stir bars with an Alnico magnet embedded and sealed in PYREX* glass. 12.7Lx9.5Dmm.
Catalog Number: 58948-444
Supplier: VWR International



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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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Description:   Multifaceted, interrupted profile that adds turbulence and improves stirring. Strong Alnico* magnets are encapsulated in autoclavable and inert PTFE can be used in temperatures up to 225degreesC (437degreesF).
Catalog Number: 74950-298
Supplier: VWR International



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Description:   PTFE* resin-coated, octagon-shaped stirring bars with molded-on pivot ring. 12.7Lx7.9Dmm.
Catalog Number: 58948-116
Supplier: VWR International


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Description:   PTFE, Rare Earth, Elliptical, 10mm Length x 6mm Diameter
Catalog Number: 89030-550
Supplier: VWR International



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