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PHREEQC



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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