purity of urea for sequencing gels

[George Rutherford]

In article <4tt7or$27b at news.bu.edu>, leach at bu.edu (martin LEACH) wrote:

> i use mol biol grade...
> 
> buy it by the bucket....contains bits of 'fluff'
> 
> so alway filter my acryladmide/urea stock solns thru a 0.4 u filter
> 
> M
> 
> Ruth McMahon (RMCMAHON at ollamh.ucd.ie) wrote:
> : What grade of urea is required for sequencing gels?
> : Thanks, 
> : Ruth.
> 
> --
> .....          Martin Leach                Email:leach at bu.edu
>    _|____      Dept. of Pharmacology       Phone: (617) 638-5323
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I just filter it through 3MM. Seems fine:)

George
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