Yizerel PTFE Magnetic Stirrer Stir Bars Set (10pcs, 2-35mm) | Essential Lab Consumables

• Used to stir a liquid or solution in biological, chemical, medical and research laboratory applications.
• The stir bar is placed inside a container of liquid or solution that is seated on a magnetic stirrer, creating a rotating magnetic field using a rotating magnet or multiple stationary electromagnets.
• Stir bars are coated with Teflon (PTFE) covering, which is chemically inert and can be used with corrosive chemicals, also helps reduce friction and wear while spinning
• Individual shapes create different vortexes for efficient and effective stirring
• Brand new, never used PTFE stirrer bars.

• Select the Appropriate Stir Bar — Choose a stir bar whose length is approximately half to two-thirds the diameter of the bottom of your container. Ensure the bar is clean and free from debris before use.
• Place Stir Bar in Container — Carefully place the selected stir bar into the liquid or solution you intend to stir. Ensure it rests flat at the bottom of the container.
• Position Container on Magnetic Stirrer — Place the container with the stir bar onto the center of your magnetic stirrer or hot plate. Ensure the container is stable and centered.
• Activate Stirrer and Adjust Speed — Turn on the magnetic stirrer and gradually increase the speed until a smooth, consistent vortex is formed. Avoid excessively high speeds that could cause the stir bar to decouple or spin out.

Typical situations where Yizerel PTFE Magnetic Stirrer Stir Bars Set (10pcs helps — illustrative scenarios, not customer reviews.