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  1. #11

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    The problem with a blender that I see is that you would be introducing a lot of air into the solution. Not good with stuff that oxidises.

  2. #12

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    I have two stirrers. One has a bar magnet which is hard to control, it either spins too fast and or loses control of the stirring magnet.

    The other is a Corning heater/stirrer, the magnet is a round device like a donut, better balancing, and has very good slow speed control.

  3. #13

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    Thanks to all who responded. I will continue my experiments..

  4. #14
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    Quote Originally Posted by Smudger
    Thanks to all who responded. I will continue my experiments..
    I have to ask why? High quality used stirrers can be purchased on e-bay. Spend your time making photographs.

    Don Bryant

  5. #15

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    Quote Originally Posted by pnance
    I have two stirrers. One has a bar magnet which is hard to control, it either spins too fast and or loses control of the stirring magnet.
    This problem can be remedied by the choice of the proper size bar. One size does not fit all containers.

  6. #16

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    My stirrer has a very thin aluminum top surface in order to get the two magnets as close together as possible. Another design consideration is to get the internal bar magnet properly centered on the motor shaft so that there is no vibration. The motor must be chosen for its torque and maximum speed. A lot of design problems. Considering they are not that expensive I would just buy one wither new or used.

  7. #17

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    My concern in using a blender is their small capacity and mixing too much air into solutions.

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