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chloroform resistance - (Apr/04/2008 )

Hi all,
I would like to precipitate proteins from a sucrose gradient with methanol:chloroform extraction method.
The standard protocol is to centrifuge at 13kg for a few minutes to precipitate the proteins.
Since I got big volumes (4/5 mL), I'm going to use 38mL polyallomer tubes from Beckman that are reported to have "marginal resistance" to chloroform: anyone used them with chloroform? Are they suited to resist it for a few minutes?
Thank you for every advice.

-doglo-

WHy don't you call beckman and ask for specifics?

-h2so4hurts-

"marginal" means that it will resist for a short time. it should be okay if you work quickly. but, i would find something else to use (eg-glass, teflon).

-mdfenko-

QUOTE (h2so4hurts @ Apr 4 2008, 07:48 PM)
WHy don't you call beckman and ask for specifics?

Because it was friday after 6pm...rolleyes.gif
I will call them tomorrow, but often the "expert" just repeats what is written in the technical manual:
I tried to find here some first hand experience.

-doglo-

QUOTE (mdfenko @ Apr 4 2008, 08:39 PM)
"marginal" means that it will resist for a short time. it should be okay if you work quickly. but, i would find something else to use (eg-glass, teflon).

I think I will give a try with 1 sample and see...

-doglo-