PHREEQC Users | Resource for geochemists

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Subject / Started by	Replies / Views	Last post
Preventing Mineral Dissolution/Precipitation Started by ztwatson	50 Replies 62998 Views	27/01/15 22:52 by ztwatson
Inverse Modeling: Mixing Fractions and Mole Transfer Started by avadhoot	3 Replies 11321 Views	23/11/25 01:06 by avadhoot
Inverse Modeling for a leaching study Started by BalabaJ	4 Replies 11459 Views	25/03/17 12:28 by BalabaJ
inverse model, silicate weathering, groundwater recharge Started by Brendan	11 Replies 18387 Views	03/02/17 16:13 by dlparkhurst
Inverse modelling for surface water in laterite terrain Started by Chinaechem	1 Replies 10676 Views	09/02/19 01:44 by dlparkhurst
different inv model input (solution 1), exact same results....? Started by deso	1 Replies 13661 Views	19/01/15 21:50 by dlparkhurst
Using Iphreeqc modules for inversion Started by docla	1 Replies 10740 Views	06/03/15 23:32 by dlparkhurst
How to solve "inequality not satisfied for Mg eps+" Started by Doyoung	1 Replies 10554 Views	10/02/25 17:43 by dlparkhurst
How to add Fertilizer formular in the Phreeqc.dat Database for Inverse modelling Started by evansmanu	26 Replies 21837 Views	02/08/22 22:47 by dlparkhurst
Input equation for Pyroxene and Hornblende in PhreeqC Started by evansmanu	5 Replies 11518 Views	30/05/21 19:38 by evansmanu
Modelling isotope fractionation during evaporation Started by evansmanu	7 Replies 13027 Views	25/01/23 21:30 by dlparkhurst
Issue with Evaporation Started by evansmanu	13 Replies 16429 Views	02/12/21 15:46 by evansmanu
Craig-Gordon Isotope Fractionation During Evaporation - Delta Values Not Updati Started by evansmanu	1 Replies 192 Views	05/03/26 06:15 by dlparkhurst
Residual errors and model uncertainty Started by evansmanu	2 Replies 11270 Views	17/05/21 10:27 by evansmanu
Inverse modeling to obtain alteration mineralogy using geothermal fluid data Started by Franco Galarce	1 Replies 9679 Views	24/10/20 16:16 by dlparkhurst
Input of gaseous species Started by Franco Galarce	3 Replies 11055 Views	25/11/20 20:33 by dlparkhurst
Inverse model for conduit flow karst spring with unknown recharge Started by Grivia1	1 Replies 13045 Views	28/04/18 19:57 by dlparkhurst
inverse modeling : default unit Started by hyedy	2 Replies 11102 Views	17/08/21 04:54 by hyedy
inverse modeling : interpretation and selection of optimal model Started by hyedy	0 Replies 9596 Views	27/06/22 09:26 by hyedy
Mix end precipitation Started by INZILLO	3 Replies 10042 Views	27/09/23 18:39 by dlparkhurst
Inverse modelling using historic, limited data Started by jmdriscoll	2 Replies 16937 Views	06/11/14 18:11 by jmdriscoll
Surface species in a inverse mass model Started by joserevueltas94	1 Replies 20164 Views	01/04/25 05:01 by dlparkhurst
Inverse modelling of nitrogen species in soils irrigated with wastewater Started by joserevueltas94	1 Replies 10736 Views	21/02/25 22:11 by dlparkhurst
Inverse modelling question Started by joserevueltas94	1 Replies 11009 Views	18/02/25 19:43 by dlparkhurst
how to extract an element from the fluid Started by Jowitawl	8 Replies 15281 Views	25/06/24 11:35 by Jowitawl
Mismatch between Phreeqc Interactive and Notpad using the same .pqi file Started by Juan Sebastian	2 Replies 9760 Views	04/05/24 00:38 by Juan Sebastian
Good sum of residuals and delta/uncertainty, but high maximum fractional error Started by Juan Sebastian	2 Replies 11113 Views	06/05/24 20:52 by Juan Sebastian
inverse modeling in saline system Started by Layali	1 Replies 10635 Views	26/02/19 16:07 by dlparkhurst
15n enrichment during nitrification in soils Started by lfhall	3 Replies 11133 Views	01/12/20 16:11 by dlparkhurst
Acid Mine Drainage Inverse Modeling Started by Loreto Martínez	2 Replies 11665 Views	08/05/20 18:15 by Loreto Martínez
How to find rocks related to water formation Started by Matsumoto	0 Replies 8527 Views	14/10/22 05:30 by Matsumoto
INVERSE_MODELING ERROR Started by Matsumoto	2 Replies 9617 Views	04/11/21 03:22 by Matsumoto
about example 17 Started by Mercury	3 Replies 11084 Views	07/12/15 14:45 by dlparkhurst
inverse modelling multiple processes Started by Mercury	1 Replies 10330 Views	11/12/15 16:54 by dlparkhurst
Inverse modeling and only pH,Redox,Temperature on entry Started by Merlin66	1 Replies 9603 Views	18/10/17 17:28 by dlparkhurst
"Unexchanging" Started by MichaelZ20	2 Replies 11720 Views	22/05/18 22:05 by MichaelZ20
Does a linear combination of minimal models also present a possible model? Started by MichaelZ20	1 Replies 8779 Views	28/10/20 15:11 by dlparkhurst
How much Ca(OH)2 was added for changing pH Started by MichaelZ20	2 Replies 11841 Views	09/03/25 08:06 by MichaelZ20
defining calcite with the same d13C twice, once dissolving and once precipitatin Started by MichaelZ20	3 Replies 10490 Views	16/10/17 07:57 by MichaelZ20
Inverse modeling using Cl and 18O only Started by MichaelZ20	11 Replies 16657 Views	05/06/15 16:28 by MichaelZ20
Calculation of amount of precipitated minerals Started by mukherjeeindrani09	9 Replies 14988 Views	06/11/23 15:09 by dlparkhurst
Inverse Modelling - uncertainty errors Started by NannaG	1 Replies 11294 Views	04/03/19 17:21 by dlparkhurst
inverse modelling for batch leaching test at various pH Started by P.Merdy	2 Replies 10021 Views	16/05/24 09:33 by P.Merdy
Using chloride as a conservative tracer to define mixing proportions Started by pknappet	1 Replies 8804 Views	18/05/23 03:03 by dlparkhurst
Inverse modeling of Zn release in pure water Started by RadiantRocks23	7 Replies 14737 Views	29/05/24 01:31 by dlparkhurst
Inverse Modeling Started by rajeshrajenthran	2 Replies 15015 Views	27/11/14 04:32 by dlparkhurst
Inverse modelling with Seawater as input solution Started by rfembilejr	0 Replies 10050 Views	22/01/17 21:31 by rfembilejr
Inverse Modelling_Uncertainty issues and Mineral dissolution Started by rfembilejr	19 Replies 20355 Views	30/04/17 23:39 by rfembilejr
Groundwater evolution with mixing Started by rudolff16	1 Replies 10343 Views	14/04/15 15:12 by dlparkhurst
Basalt weathering Started by rudolff16	4 Replies 14883 Views	04/04/15 14:16 by rudolff16
Source rock deduction Started by rudolff16	9 Replies 16670 Views	01/04/15 08:24 by rudolff16
Query about calculation of Saturation Indices Started by sally.xiaosa.0212	21 Replies 24184 Views	09/11/24 01:04 by sally.xiaosa.0212
Inverse model/Silicate weathering/Springs Started by sandrablanco	1 Replies 9831 Views	18/01/21 23:52 by dlparkhurst
Phase mole transfers Started by Scarlet	10 Replies 15285 Views	15/02/18 15:04 by Scarlet
Aluminosilicates with Impurities Started by stewa184	1 Replies 10868 Views	22/06/17 20:29 by dlparkhurst
Inverse Modeling, Large Uncertainty Started by toupis12	2 Replies 9499 Views	19/11/20 21:22 by toupis12
Contribution in Inverse modeling with Phreeqc Started by vcarucci	2 Replies 16575 Views	05/07/14 11:19 by Tom
Combination of INVERSE_MODELING and MIX Started by ViktoriaRfq	4 Replies 13766 Views	10/06/23 14:44 by dlparkhurst
inverse modelling with silicate weathering Started by vivek vasudev	1 Replies 10998 Views	16/04/15 16:37 by dlparkhurst
inverse modelling with silicate weathering Started by vivek vasudev	1 Replies 9992 Views	08/04/15 15:26 by dlparkhurst

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