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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:   Mixes speedily and efficiently. The plus-sign shape creates a deep vortex and provides stable, quiet operation. PTFE* resin-coated. 38Lx38Dmm.
Catalog Number: 58947-828
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. 25.4Lx25.4Dmm.
Catalog Number: 58947-824
Supplier: VWR International



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Description:   PTFE* resin-coated, flea-size, polygon magnetic stir bars. 6.35Lx3Dia.mm.
Catalog Number: 58948-400
Supplier: VWR International



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Description:   VWR* Stir Bar 2X3/8IN, Interrupted profile and greater surface area that adds turbulence and improves stirring compared to smooth cylindrical bars. Encapsulated in autoclavable and inert PTFE and can be used in temperatures up to 225 degrees C (437 degrees F).
Catalog Number: 58948-273
Supplier: VWR International


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Description:   PTFE* resin-coated, octagon-shaped stirring bars with molded-on pivot ring. 63.5Lx9.5Dmm.
Catalog Number: 58947-136
Supplier: VWR International


Product available on GSA Advantage®

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



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Description:   Think small with a Spinpak* of six metric, flea-sized, PTFE* resin-coated, magnetic stir bars. Pack contains two each of 7.9x1.5mm, 7.9x3mm and 11x4.7mm sizes.
Catalog Number: 58948-069
Supplier: VWR International



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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. Red. 52mm long.
Catalog Number: 58947-907
Supplier: VWR International



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Description:   Designed to plow up sediment at bottom of vessel and mix it into a solution for thorough dispersion. Sharply angled, broad face of bar provides a strong mixing action; use with viscous solutions. PTFE* resin-coated. 9.5Lx25.4Dmm.
Catalog Number: 58949-232
Supplier: VWR International



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Description:   Color-coded PTFE* resin identifies the Spinbar magnetic stirring bars. Blue. 12.7Lx3.0Dmm.
Catalog Number: 58949-046
Supplier: VWR International



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Description:   PTFE* resin-coated, polygon shaped. 63.5Lx12.7Dmm.
Catalog Number: 58948-986
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: 3 X 3Mm (0.118 X 0.118in), Autoclavable, Color: Yellow
Catalog Number: 76001-846
Supplier: VWR International



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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. 52mm long.
Catalog Number: 58947-940
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: 40 X 8Mm (1-5/8 X 5/16in), Autoclavable, Color: White
Catalog Number: 76001-892
Supplier: VWR International



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Description:   PTFE* resin-coated, round stir bars have removable pivot ring. 44.4Lx7.9Dmm.
Catalog Number: 58947-150
Supplier: VWR International



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Description:   Color-coded PTFE* resin identifies the Spinbar magnetic stirring bars (with pivot ring). Blue. 25.4Lx7.9Dmm.
Catalog Number: 58949-062
Supplier: VWR International



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