[gmx-users] calculating ionic strength

Miguel Machuqueiro machuque at itqb.unl.pt
Fri Jun 6 13:53:51 CEST 2008

At 12:24 AM 6/6/2008, you wrote:
>jayant james wrote:
>>Hi all !!
>>I want to add 150mM KCl into a cubic box that contains a protein in 
>>an aqueous environment. How am I to calculate as to how? many Ions 
>>of K and Cl, I need to add to bring to the above said salt conc?
>This sounds like a homework exercise for a first-year chemistry 
>student! Work out the volume, then use the concentration to get a 
>number of ions.

Hi Mark

Just out of curiosity... how do you "work out the volume"?


Miguel Machuqueiro
ITQB-Instituto de Tecnologia Química e Biológica
Universidade Nova de Lisboa - 6º Floor (Room 601)
Av. da República, EAN, Apartado 127
2781-901 Oeiras, Portugal
Tel. : +351 214469618 /Mobile: +351 96 7562285
E-mail: machuque at itqb.unl.pt
www: http://www.itqb.unl.pt/~machuque

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