Formamide deionization. I want a cheaper mixed bed (anion and cation exchange) resin than Bio Rad AG 501-X8(D) Cat# 143-6425.
Giancarlo Lopez-Martinez
How much is Biorad's. I used to use Sigma's when I did it (5 yrs ago) but it was not cheap (I do not recall).
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David Hart
Biorad is $430 for 100g, Sigma is $154 for 100g. Sigma is by far the cheapest I have seen Thanks!
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Nick Chacos
just google mixed bed ion exchangers. You will find dowex, purolite and several others easily. Did a quick check and Purolite sells 1 cubic foot for $305. The suppliers you buy from simply buy these bulk chemicals and repackage.
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