Define standard sea water composition or water composition in Baltic sea

Dear All, I would like to use the standard seawater elemental composition and composition of a specific sea e.g., the Baltic sea. From where I can get/check an example where such a composition is realized. Any help will be highly appreciated.

Regards …


Please find the information on material definition under the corresponding part of the Geant4 Book For Application Developers at

Especially, please have a look at the example codes at


Hi Arjun,

not sure if Mihaly answered your question. If that wasn’t the answer you wanted you could try asking here: Swedish Oceanography..



P.S. I know there’s very little oxygen in the Baltic which is why the Wasa was so well preserved.

Dear Tim_Fulcher,

Thank you so much.

Best regards,

Dear Mihaly,

Thank you.

Best regards,