====== Column chromatographyl ======

<cri_photo_thumb 
    stock_photo:labs:org_synth:activities:column_chroma:column_chroma1 | 
    stock_photo:labs:org_synth:activities:column_chroma:column_chroma1_s.jpg?73 | 
    column_chroma1 
>
<cri_photo_thumb 
    stock_photo:labs:org_synth:activities:column_chroma:column_chroma2 | 
    stock_photo:labs:org_synth:activities:column_chroma:column_chroma2_s.jpg?110 | 
    column_chroma2 
>
<cri_photo_thumb 
    stock_photo:labs:org_synth:activities:column_chroma:column_chroma3 | 
    stock_photo:labs:org_synth:activities:column_chroma:column_chroma3_s.jpg?73 | 
    column_chroma3 
>
<cri_photo_thumb 
    stock_photo:labs:org_synth:activities:column_chroma:column_chroma4 | 
    stock_photo:labs:org_synth:activities:column_chroma:column_chroma4_s.jpg?110 | 
    column_chroma4 
>
<cri_photo_thumb 
    stock_photo:labs:org_synth:activities:column_chroma:column_chroma5 | 
    stock_photo:labs:org_synth:activities:column_chroma:column_chroma5_s.jpg?73 | 
    column_chroma5 
>
<cri_photo_thumb 
    stock_photo:labs:org_synth:activities:column_chroma:column_chroma6 | 
    stock_photo:labs:org_synth:activities:column_chroma:column_chroma6_s.jpg?73 | 
    column_chroma6 
>
<cri_photo_thumb 
    stock_photo:labs:org_synth:activities:column_chroma:column_chroma7 | 
    stock_photo:labs:org_synth:activities:column_chroma:column_chroma7_s.jpg?73 | 
    column_chroma7 
>