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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:
Mixes speedily and efficiently. The plus-sign shape creates a deep vortex and provides stable, quiet operation. PTFE* resin-coated. 25.4Lx25.4Dmm.
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
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:
VWR* Stirbar/Spinbar, Magnetic, Micro Flea, Alnico Magnet, FDA Grade, USP Class VI, Material: Teflon PTFE, Durable, Inert, ISO 9001:2008, Dimensions: 12.7 X 3Mm (0.500 X 0.118in), Autoclavable, Color: Blue
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.
Description:
Mixes speedily and efficiently. The plus-sign shape creates a deep vortex and provides stable, quiet operation. PTFE* resin-coated. 32Lx32Dmm.
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: White
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.
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.
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).
Description:
Mixes speedily and efficiently. The plus-sign shape creates a deep vortex and provides stable, quiet operation. PTFE* resin-coated. 38Lx38Dmm.
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.
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. 12.7Lx44.4Dmm.
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. 41.3Lx19.0Dmm. For round-bottom flasks sized 500 and 1000mL.
Description:
Made from a highly energetic, Samarium-Cobalt magnet encapsulated in PTFE* PTFE resin. Octagonal shape. Length: 5.0cm. Diameter: 2.1cm. Transmits torque loads two to three times larger than those of conventional stirring bars of this length.
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:
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. 32mm long.
Description:
4.4cm O.D. With a removable stabilizing ring to keep it centered in the vessel. Creates a deep vortex without splashing or chattering and resists spinout.
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
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:
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. 12.7Lx3.1dia. mm.
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:
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:
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. Assortment of five, one each of these sizes: 9.5Lx9.5Dmm, 19.1Lx19.1Dmm, 25.4Lx25.4Dmm, 32Lx32Dmm and 38Lx38Dmm.
Description:
Removable stabilizing ring centers the octagon stirring bar (included with ring) in container. Creates a deep vortex without splashing or chattering. Resists spinout. PTFE* resin-coated. 57.2mm ring OD. 50.8Lx7.9Dmm.
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:
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 100mL beaker size.
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. Blue. 52mm long.
Description:
Removable stabilizing ring centers the octagon stirring bar (included with ring) in container. Creates a deep vortex without splashing or chattering. Resists spinout. PTFE* resin-coated. 31.8mm ring OD. 25.4Lx7.9Dmm.
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