Ascorbic acid solution

[Dima Klenchin]

In article <48cfk5$psv at mserv1.dl.ac.uk>,
   grggta at picr.cr.man.ac.uk (Graham Atherton) wrote:

>Keep the solution out of the light?
>Make it up fresh each time ie it is unstable in solution? - or can I freeze
>it in aliquots at -70?

We add 40 ul/8 ml medium from a sterile aliqouted stock stored at -80C. Works. 


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