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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.
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. 25.4Lx12.7Dmm. For round-bottom flasks sized 100 and 200mL.
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, ISO9001:2008, Autoclavable, Size: 12x4.5mm
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: 40x8mm
Description:
VWR* Stirbar/Spinbar, Magnetic, Micro Flea, Alnico Magnet, FDA Grade, USP Class VI, Material: Teflon PTFE, Durable, Inert, ISO 9001:2008, Dimensions: 2 X 2Mm (0.079 X 0.079in), Autoclavable, Color: Blue
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).
Description:
16 bars in a Spinbox*. PTFE* resin-coated with pivot ring. Autoclavable. Withstand up to 260[degree]C. 2 each of 7x2mm and 10x3mm flea-sized micro bars and 2 each of larger bars sized (in mm): 12.7x8, 25.4x9.5, 5x9.5, 16x8, 38x9.5 and 63.5x9.5.
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.
Description:
VWR* Stir Bar magnetic, Spinbar, Shape: Giant 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, Autoclavable, Size: 127 x 16mm
Description:
Six-pack of PTFE* resin-coated, octagon-shaped, Spinbar magnetic stir bars with molded-on pivot ring. All are 25.4mm long with a 7.9mm diameter. Pack contains two stir bars each in yellow, red and blue.
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. White. 52mm long.
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.
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.
Description:
PTFE* resin-coated stir bars with removable 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.
Description:
VWR* Stirbar/Spinbar, Magnetic, Micro Flea, 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
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. 9.5Lx4.8Dmm. For round-bottom flasks sized 10mL.
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: 20x6mm
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. 63.5Lx19.0Dmm. For round-bottom flasks sized 3000 and 5000mL.
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: White
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: 70x10mm
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. 12.7Lx50.8Dmm.
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).
Description:
12 PTFE* resin-coated, octagonal stir bars. Packaged in a plastic, compartmented Spinbox*. Two each of: 12.7x7.9mm, 15.9x7.9mm, 25.4x9.5mm, 38.1x9.5mm, 50.8x9.5mm and 63.5x9.5mm.
Description:
VWR* Stirbar/Spinbar, Magnetic, Spinfin, Alnico Magnet, FDA Grade, USP Class VI, Material: Teflon PTFE, Durable, Inert, ISO 9001:2008, Dimensions: 7.9 X 9.5Mm (5/16 X 3/8in), Autoclavable, Color: White
Description:
This PTFE* resin-coated, centrifugal, magnetic stirrer fits into the standard cuvette having a 10mm light path. May also be used in test tubes. Molded in one piece, the stir bar will not scratch cuvettes or trap dirt. Dimensions: 9Dx8Hmm.
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).
Description:
Mixes speedily and efficiently. The plus-sign shape creates a deep vortex and provides stable, quiet operation. PTFE* resin-coated. 9.5Lx9.5Dmm.
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: 50x8mm
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: 60x10mm
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