Dear David L Parkhurst, I want to simulate pure water in equilibrium with atmosphere (see example below). When I run the example I get a reduction of pH from 7 to 2. Where is my mistake? PS: Is there any discussing group of PHREEQC Best regards Pedro Chambel Leitao ~~~~~~~~~~~~~~~~~~~~~~~~~~ IST - MARETEC Taguspark Nucleo Central, Sala 363 2780-920 Oeiras, Portugal Tel.: +351 21 4239016 Fax: +351 21 4211272 URL: http://www.mohid.com TITLE Test SOLUTION 1 Seawater temp 25 pH 7 pe 18 redox pe units mol/l density 1 -water 1 # kg GAS_PHASE 1 Atmosphere -fixed_pressure -pressure 1 -volume 1 -temperature 25 CO2(g) 0.0003 O2(g) 0.2 N2(g) 0.7797 SAVE solution 1 END -----Original Message----- From: David L Parkhurst [mailto:dlpark@xxxxxxxx] Sent: quarta-feira, 21 de Maio de 2003 14:47 To: Pedro Chambel Leitao Subject: Re: subscribe Ok. Your name will be added to the PHREEQC mailing list.
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