Mark_Solomon at QM.Yale.edu (Mark Solomon) wrote:
>Just to add to the controversy here: I simply keep a 10% APS stock
>in the fridge. It's good for well over a year (until it runs out!). >Whenever it seems to be weakening a bit (based on time to >polymerization) I just up the amount I use (to a maximum of no more
>than 1.5 x normal). Most folks in the two labs I've worked in as well >as in my own lab work this way, oblivious to the good old daily >snap-crackle-and-pop approach. Just pay attention to how long gels
>take to polymerize and you won't be caught off guard one day with >suddenly "bad" APS.
I'll second this - I've been storing 10% APS in the fridge for
years and it seems to be fine for at least a year.
rjl6n at uva.pcmail.Virginia.EDU