In article <3h62dn$61f at ra.lib.ucalgary.ca>,
Steven Szarka <sjszarka at acs.ucalgary.ca> wrote:
>>How important is the 4000 MW PEG in the LiAc transformation?
>Can 3,350 be substituted without a great effect on efficiency?
I think 3350 _is_ 4000. That number is an approximate MW of the polymer.
I think it was last year or the year before that Sigma changed the name to
3350 but they stressed that it was the same product. Anyway, the point is
that Sigma 3350 PEG is what we use in our transformations.
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