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Feature

Polygonal stir bar spins freely in a disk-shaped PS capsule to reduce turbulence, center the bar, prevent spin out, protect probes and other instruments in the container, and isolate the bar from chemicals
Stir bar has a chemically inert Teflon (PTFE) casing, which is chemically inert, can be used with corrosive chemicals, and helps reduce friction and wear while spinning
Capsule is made from PS, which resists wear
Spins on the bottom of the container to disperse sediment and air bubbles
Internal magnet made from alnico V, an alloy of aluminum, nickel, iron, and cobalt

Description

The Spinbar Capsule Magnetic Stirring Bar stirrer consists of a magnetic stirring bar that spins freely inside a small flat capsule and prevents the stirring bar from contacting the gel. The large footprint of the capsule allows it to be positioned in the bottom of vertical electrophoresis units and stir buffers without "wandering". It is excellent for pH adjustments of small volumes because the capsule prevents the magnetic stirring bar from impacting and damaging expensive pH probes. Dissolving chemicals with this encapsulated Spinbar may be less troublesome as the stirring bar is protected from powders that may obstruct stirring action. The protective capsule is molded of polystyrene and houses a Spinbar Magnetic Stirring Bar which is molded from inert PTFE. It can be easily disassembled for complete cleaning. Magnetic stirring bar enclosed in capsule will not impact and damage expensive probes immersed in solution being stirred.