Hi Matt - brilliant, that's exactly what I was looking for... thanks!
I was also pointed (offline) to an early (1992) report by Wierenga,
Zeelen and Noble: J Cryst Growth 122, pp 231-234.
Cheers
phx
On 26/07/2014 20:47, Matthew BOWLER wrote:
> Hi Frank,
> I have never tried this for soaking but all the conversions that you
> need between any salt and any other ppt can be found here
> http://go.esrf.eu/RH, the RH matching is the same process as
> osmolarity so it could work, best wishes, Matt.
>
>
>
>
>
>
> On 2014-07-26 21:42, Frank von Delft wrote:
>> Hi all - The Google fails me, so I'll the CCP4BBoogle:
>>
>> Can anybody conjure up some of the references that describe the
>> details of how to get a (say) PEG solution to have the same osmotic
>> pressure as a (say) salt solution - in particular, this is for
>> transferring a crystal from it's original salt condition into a more
>> ligand-friendly PEG condition.
>>
>> I know there was something from the late nineties, where specific
>> lookup tables were either shown or mentioned; but I've not been able
>> to track it down.
>>
>> Thanks!
>> phx
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