• Operation essentials of separation filtration

  The key points of operation of separation filtration are as follows:

  To achieve "one paste, two low, three rely on".

  One post.

  Even if the filter paper is wet, it is close to the inner wall of the funnel without residual bubbles.

  (prevent bubbles from slowing down the speed of separation filtration.)

  Second, low.

  1. The edge of the filter paper is slightly lower than the edge of the funnel.

  2. The liquid level is lower than the edge of the filter paper.

  (prevent unclean liquid separation filtration.)

  Three depend.

  1. When pouring, the beaker mouth should be close to the glass rod.

  2. The lower end of the glass rod rests against the three layers of filter paper.

  3. The nozzle on the long side at the lower end of the funnel is close to the inner wall of the beaker.

  

  
  

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