====== Chemical purification ======


<cri_photo_thumb 
    stock_photo:labs:biotech:instruments:purification:purification1 |
    stock_photo:labs:biotech:instruments:purification:purification1_s.jpg?73 |
    purification1 
>
<cri_photo_thumb 
    stock_photo:labs:biotech:instruments:purification:purification2 |
    stock_photo:labs:biotech:instruments:purification:purification2_s.jpg?73 |
    purification2 
>
<cri_photo_thumb 
    stock_photo:labs:biotech:instruments:purification:purification3 |
    stock_photo:labs:biotech:instruments:purification:purification3_s.jpg?73 |
    purification3 
>