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Subject / Started by Replies / Views Last post
There is no CaO/Ca(OH)2 Phase in phreeqc datebase

Started by leizheng41

2 Replies
753 Views
Last post May 15, 2019, 03:34:56 AM
by leizheng41
Outputting specific values using GetSelectedOutputArray

Started by niall.holmes

1 Replies
771 Views
Last post May 14, 2019, 09:58:11 PM
by dlparkhurst
A Guide to use User_Graph

Started by process

5 Replies
1253 Views
Last post May 05, 2019, 10:46:00 AM
by process
Heat of dissolution given in DB: Infinite dilution?

Started by jungsdao

1 Replies
709 Views
Last post April 21, 2019, 03:22:10 PM
by dlparkhurst
Titration of HNO3 by NaHCO3; problem with CO2

Started by jungsdao

2 Replies
891 Views
Last post April 06, 2019, 04:39:19 PM
by jungsdao
Determining differences between version 2 and version 3

Started by ACSchubert

2 Replies
906 Views
Last post March 12, 2019, 10:19:46 PM
by ACSchubert
REACTION

Started by jungsdao

1 Replies
825 Views
Last post February 19, 2019, 05:18:30 PM
by dlparkhurst
Diffusive Transport Modeling of Eagle Ford shale with CO2-saturated fluid

Started by chrisnguen38

3 Replies
946 Views
Last post February 18, 2019, 08:00:22 AM
by chrisnguen38
water activity convergence. (Acid-base titration)

Started by jungsdao

3 Replies
1337 Views
Last post February 18, 2019, 05:44:35 AM
by dlparkhurst
Titration of HCl by NaOH

Started by KDrUmic

3 Replies
1199 Views
Last post February 15, 2019, 04:03:25 PM
by dlparkhurst
partial pressure of CO2 / open system

Started by rjandl

18 Replies
3514 Views
Last post February 14, 2019, 07:37:02 PM
by zye4
Modelling solution temperature change as reaction proceeds

Started by jungsdao

0 Replies
761 Views
Last post February 14, 2019, 12:16:57 PM
by jungsdao
how to include a file from different directory (using INCLUDE$)

Started by nnegash

0 Replies
752 Views
Last post February 11, 2019, 02:37:05 PM
by nnegash
No density output when using Thereda database

Started by Robert Asch

3 Replies
894 Views
Last post January 20, 2019, 06:47:47 PM
by dlparkhurst
Defining a solution via a number of dissolved salts (in mass units)

Started by liamabrahamsen

2 Replies
907 Views
Last post January 15, 2019, 02:06:40 PM
by liamabrahamsen
Evaporation of high saline salt lake brine containing NO3; is that possible?

Started by Robert Asch

3 Replies
1158 Views
Last post December 28, 2018, 08:57:45 AM
by MichaelZ20
Maximum Simulation Time Limit

Started by jLi200H

1 Replies
853 Views
Last post December 12, 2018, 03:16:13 PM
by dlparkhurst
initial amount of calcite for Equilibrium_phases in PhreeqcRM

Started by cyprien

1 Replies
925 Views
Last post December 10, 2018, 04:07:31 PM
by dlparkhurst
porosity

Started by zsszabo86

0 Replies
1438 Views
Last post December 05, 2018, 02:23:41 PM
by zsszabo86
Parameter confusing in the keyword "Transport"

Started by shuom

1 Replies
974 Views
Last post November 21, 2018, 10:55:05 PM
by dlparkhurst
Negative Concentration Recovery

Started by choochoo

1 Replies
908 Views
Last post November 19, 2018, 11:17:10 PM
by dlparkhurst
Question about Solution Spread and Selected Output...

Started by Blaise.Mibeck

2 Replies
1926 Views
Last post November 11, 2018, 11:13:31 PM
by dlparkhurst
Simple questions on BASIC statement/function for data extraction

Started by renkaren

4 Replies
1207 Views
Last post October 31, 2018, 07:19:43 AM
by MichaelZ20
Desorption at Selected output file

Started by y.sm.n

6 Replies
1179 Views
Last post October 28, 2018, 07:22:18 PM
by dlparkhurst
RUN_CELLS question

Started by Yongqiang

2 Replies
962 Views
Last post October 25, 2018, 08:44:38 PM
by dlparkhurst
Distribution (density) profiles of ions/Potential profile away from a surface

Started by maria.bonto23@yahoo.com

0 Replies
930 Views
Last post October 08, 2018, 10:42:58 AM
by maria.bonto23@yahoo.com
Errors with phrRunFile() IPHREEQC for R

Started by DH1234

2 Replies
1096 Views
Last post October 02, 2018, 08:42:58 AM
by DH1234
The percentage of MIX water

Started by y.sm.n

4 Replies
1122 Views
Last post September 28, 2018, 09:02:24 PM
by dlparkhurst
Scaling scenario

Started by wrivsel

5 Replies
1136 Views
Last post September 27, 2018, 03:46:49 PM
by dlparkhurst
How to calculate speciation and ionic strength from element values

Started by Pak

0 Replies
960 Views
Last post September 17, 2018, 04:06:44 PM
by Pak
Ionic strength limits

Started by Charlie

3 Replies
1940 Views
Last post September 12, 2018, 12:22:34 PM
by Pak
IPhreeqcCOM

Started by GeeqC

5 Replies
1507 Views
Last post August 31, 2018, 03:12:42 PM
by dlparkhurst
selected output for all SI results together

Started by Charlie

1 Replies
1132 Views
Last post August 28, 2018, 02:23:34 PM
by dlparkhurst
High pressure and temperature simulations

Started by Flopi

5 Replies
1521 Views
Last post August 10, 2018, 03:37:39 PM
by dlparkhurst
equilibrium constant

Started by elham

4 Replies
1712 Views
Last post August 05, 2018, 02:32:32 PM
by elham
USER_GRAPH with different pH

Started by y.sm.n

7 Replies
1632 Views
Last post July 24, 2018, 03:48:37 AM
by y.sm.n
Ammonium buffer in llnl.dat

Started by fsamm

2 Replies
1325 Views
Last post July 15, 2018, 08:06:24 PM
by fsamm
H2S(g) input

Started by webster66

1 Replies
1189 Views
Last post July 12, 2018, 12:50:07 AM
by dlparkhurst
What does the "status" mean in PHREEQC-RM

Started by Yongqiang

2 Replies
1207 Views
Last post July 11, 2018, 02:55:14 AM
by Yongqiang
Finding a point of phase diagram with defined concentrations of some components

Started by PrestoConFuoco

0 Replies
1043 Views
Last post July 04, 2018, 05:48:30 PM
by PrestoConFuoco
iphreeqc - User_Punch at all timesteps

Started by seajay812

1 Replies
1215 Views
Last post June 30, 2018, 03:44:39 PM
by dlparkhurst
pH changes by adding HCl

Started by y.sm.n

14 Replies
3673 Views
Last post June 27, 2018, 09:22:40 PM
by dlparkhurst
Fixing_pe at several values using User_Punch

Started by CharlesAshes

1 Replies
1404 Views
Last post May 29, 2018, 10:28:31 PM
by dlparkhurst
CO2-rich waters and CO2(aq)

Started by barka

9 Replies
2473 Views
Last post May 24, 2018, 01:25:22 AM
by dlparkhurst
suppress phases

Started by CoralieS

2 Replies
1447 Views
Last post May 04, 2018, 08:52:40 AM
by CoralieS
Temperature-activity diagram with Phreeplot

Started by CoralieS

2 Replies
1514 Views
Last post May 04, 2018, 08:44:30 AM
by CoralieS
coupling

Started by elham

8 Replies
4643 Views
Last post April 30, 2018, 10:51:07 AM
by Pak
Mixing saved pure-phase assemblage with solution. Is it possible?

Started by mstec@ichpw.pl

3 Replies
1372 Views
Last post April 24, 2018, 02:38:13 PM
by dlparkhurst
granite evolution in rainwater

Started by jaehong

5 Replies
1837 Views
Last post April 17, 2018, 01:50:54 AM
by dlparkhurst
Inputfile Si as SiO2

Started by Hydroman

4 Replies
1921 Views
Last post April 14, 2018, 12:17:39 AM
by dlparkhurst
puzzle about SI value specified in EQUILIBRIUM_PHASES block?

Started by Penny

3 Replies
1335 Views
Last post April 12, 2018, 06:08:05 PM
by dlparkhurst
how to explain the transitional 2 steps for non-kinetic equilibrium calculation

Started by Penny

0 Replies
999 Views
Last post April 12, 2018, 05:25:55 PM
by Penny
rock-water interaction modeling

Started by jaehong

7 Replies
3101 Views
Last post April 03, 2018, 02:38:24 PM
by dlparkhurst
how to plot graphs with two reaction block?

Started by Penny

10 Replies
2603 Views
Last post March 28, 2018, 03:13:01 PM
by dlparkhurst
Transport modelling - specifying host media and reactions

Started by MNoteboom

9 Replies
2016 Views
Last post March 21, 2018, 05:14:13 PM
by dlparkhurst
how to plot the trend of species by using USER_GRAPH ?

Started by Penny

1 Replies
1181 Views
Last post March 19, 2018, 02:38:40 AM
by dlparkhurst
USER_GRAPH legend or label

Started by deso55

3 Replies
1727 Views
Last post March 07, 2018, 05:19:20 AM
by dlparkhurst
CO2(g) partial pressure / molar concentration in gas phase

Started by bashuisman

8 Replies
4308 Views
Last post March 04, 2018, 06:34:17 PM
by dlparkhurst
Unterstanding the calculation of the molar volume

Started by Hydroman

5 Replies
3898 Views
Last post March 02, 2018, 08:02:13 PM
by GL
How phreeqc uses input pe and redox couples

Started by MNoteboom

2 Replies
1348 Views
Last post March 01, 2018, 05:53:38 PM
by MNoteboom
Which command is suitable to study temperature and pressure effect?

Started by Yongqiang

3 Replies
1420 Views
Last post February 22, 2018, 05:44:11 AM
by dlparkhurst
setting Na as default for charge balance adjustments

Started by mdangelm

1 Replies
1488 Views
Last post February 14, 2018, 01:59:38 AM
by dlparkhurst
Iphreeqc outputing density

Started by dhellon

1 Replies
1150 Views
Last post February 12, 2018, 08:33:52 PM
by dlparkhurst
Use saved mixture as input for equilibrium

Started by MNoteboom

3 Replies
1320 Views
Last post February 09, 2018, 04:22:30 AM
by dlparkhurst
Assigning a dummy "MASTER_SOLUTION_SPECIES" equivalent to the pH of the solution

Started by Jyotiapoorv

1 Replies
1217 Views
Last post February 01, 2018, 03:36:23 PM
by dlparkhurst
Translation of an input file to Excel (COM module)

Started by ElianeF

2 Replies
1409 Views
Last post January 31, 2018, 01:39:51 PM
by ElianeF
Mineral variations in Saturation Index output

Started by MNoteboom

2 Replies
1395 Views
Last post January 23, 2018, 04:47:45 PM
by MNoteboom
Modeling pH, pe and ion speciation in a batch mixing expt

Started by cajnano

2 Replies
1329 Views
Last post January 18, 2018, 09:17:52 PM
by cajnano
Punching Redox couple information to output file

Started by mcossio23

1 Replies
1209 Views
Last post January 16, 2018, 11:50:18 PM
by dlparkhurst
Conceptual Understanding of PHREEQC-RM

Started by ttgeochem

3 Replies
1861 Views
Last post January 13, 2018, 01:55:15 AM
by dlparkhurst
Importing Data From Excel?

Started by awillou4

2 Replies
2269 Views
Last post January 11, 2018, 06:47:47 PM
by awillou4
Number of Parameters Used in PHREEQC

Started by awillou4

1 Replies
1229 Views
Last post December 10, 2017, 07:56:28 PM
by dlparkhurst
Modeling chlorine reactions with metals

Started by rockman

5 Replies
2703 Views
Last post December 06, 2017, 05:20:28 PM
by dlparkhurst
REACTION in advective transport

Started by piet

1 Replies
1150 Views
Last post December 04, 2017, 04:19:13 PM
by Rasmus
Injection well

Started by Hydroman

1 Replies
1281 Views
Last post November 13, 2017, 02:10:25 AM
by dlparkhurst
help with Example 1

Started by Juicemode

8 Replies
1927 Views
Last post November 09, 2017, 10:13:12 PM
by Juicemode
working of phreeqc (equilibrium phases)

Started by ashwini

0 Replies
1629 Views
Last post October 31, 2017, 02:46:58 PM
by ashwini
reaction temperature in every step of reaction

Started by Merlin66

3 Replies
1491 Views
Last post October 25, 2017, 04:28:31 PM
by Merlin66
Calculate redox potential from equilibrium solid

Started by peterwadeuk

1 Replies
2126 Views
Last post October 19, 2017, 08:44:38 PM
by dlparkhurst
trying to solve a book problem

Started by Juicemode

5 Replies
1624 Views
Last post October 13, 2017, 03:21:30 AM
by Juicemode
what is master unknown

Started by rimsi

1 Replies
1129 Views
Last post October 11, 2017, 03:57:12 PM
by dlparkhurst
help finding solution pH

Started by Juicemode

4 Replies
1659 Views
Last post October 04, 2017, 01:29:03 PM
by Rasmus
Analytical expression for the temperature dependence of log K

Started by Alexey

1 Replies
1223 Views
Last post September 29, 2017, 05:00:56 PM
by dlparkhurst
redox potential

Started by rimsi

2 Replies
1447 Views
Last post September 05, 2017, 03:35:05 PM
by rimsi
SOLUTION

Started by HFlower

4 Replies
1708 Views
Last post September 02, 2017, 08:54:58 PM
by dlparkhurst
USER_GRAPH, SELECTED_OUTPUT, and USER_PUNCH

Started by HFlower

5 Replies
2087 Views
Last post September 02, 2017, 02:37:18 AM
by dlparkhurst
Supercritical water

Started by paznativ

1 Replies
1284 Views
Last post August 10, 2017, 04:57:40 PM
by dlparkhurst
iPhreeqc on Mac.

Started by gulley

1 Replies
1385 Views
Last post August 09, 2017, 03:27:15 PM
by dlparkhurst
Adding Chlorine, Bromine and their weak acid systems

Started by paznativ

2 Replies
1400 Views
Last post August 01, 2017, 05:42:35 PM
by paznativ
Equilibrium phases block

Started by rimsi

1 Replies
1344 Views
Last post July 31, 2017, 03:33:38 PM
by dlparkhurst
Fe(OH)3 amorphous

Started by atoumari

1 Replies
1184 Views
Last post July 21, 2017, 02:42:29 AM
by dlparkhurst
uranium leaching

Started by Ash

3 Replies
1572 Views
Last post July 12, 2017, 09:23:12 AM
by dlparkhurst
Coefficient A in Davies equation

Started by peterwadeuk

2 Replies
1538 Views
Last post July 11, 2017, 10:17:04 AM
by peterwadeuk
Solution Composition Entry Problems

Started by bdalton

1 Replies
1358 Views
Last post July 05, 2017, 11:35:27 PM
by dlparkhurst
How to calculate/graph a titration with HCl and add compounds to the Database

Started by bdalton

3 Replies
2840 Views
Last post July 03, 2017, 11:50:05 PM
by bdalton
Fixing pH with HNO3 (Nitric Acid)

Started by awillou4

5 Replies
2365 Views
Last post June 25, 2017, 01:09:58 AM
by dlparkhurst
Equilibrium

Started by Ash

3 Replies
1518 Views
Last post June 21, 2017, 06:35:28 AM
by Ash
get going guide

Started by Charlie

1 Replies
1485 Views
Last post June 20, 2017, 09:53:04 AM
by BrianH
Using Basic results as input

Started by Flopi

1 Replies
1288 Views
Last post June 15, 2017, 08:20:30 PM
by dlparkhurst
Input of alkalinity

Started by Charlie

4 Replies
4516 Views
Last post May 24, 2017, 04:17:17 PM
by Charlie
Input of alkalinity

Started by Charlie

0 Replies
1528 Views
Last post May 24, 2017, 12:43:25 PM
by Charlie
Percent errors of solutions

Started by Charlie

0 Replies
1220 Views
Last post May 24, 2017, 10:50:46 AM
by Charlie
convergence errors

Started by Brendan

1 Replies
1711 Views
Last post May 13, 2017, 01:41:37 AM
by dlparkhurst
Graph pe x pH

Started by Sergio

1 Replies
1839 Views
Last post April 24, 2017, 03:49:23 PM
by dlparkhurst
charge balance error calculation for dilute solutions

Started by gthyne

1 Replies
1632 Views
Last post April 21, 2017, 05:48:33 PM
by dlparkhurst
Input table for Speciation

Started by Rodgers45

1 Replies
2051 Views
Last post March 22, 2017, 08:00:59 PM
by dlparkhurst
Saturation Index: Choosing SI reactions; SI>0 causes iteration non-convergence

Started by EMH121

11 Replies
5178 Views
Last post February 16, 2017, 05:14:53 AM
by EMH121
range of partial pressure

Started by studentforlife

3 Replies
2786 Views
Last post February 15, 2017, 05:21:23 PM
by dlparkhurst
create a graph with Linux

Started by studentforlife

0 Replies
1516 Views
Last post February 13, 2017, 05:04:11 PM
by studentforlife
Assigning species to Valence

Started by EMH121

0 Replies
1542 Views
Last post February 04, 2017, 03:14:28 AM
by EMH121
SOLUTION SPECIES problem

Started by EMH121

3 Replies
1842 Views
Last post February 02, 2017, 08:02:12 AM
by MichaelZ20
Advection and mixing

Started by fshansen

5 Replies
1980 Views
Last post February 01, 2017, 03:35:17 PM
by dlparkhurst
Minor Problems Encountered Using “SELECTED_OUTPUT”

Started by EMH121

4 Replies
2428 Views
Last post January 28, 2017, 08:00:12 PM
by EMH121
Adding thermodynmic data to DB using Analytic expression for logK vs temperture

Started by EMH121

2 Replies
1689 Views
Last post January 27, 2017, 10:45:23 PM
by EMH121
Getting Started

Started by EMH121

1 Replies
2211 Views
Last post January 11, 2017, 04:17:22 AM
by dlparkhurst
Example 5- Phreeqc_3_2013_manual==> Syntax_error : missing

Started by FlouretAlex

3 Replies
2014 Views
Last post December 12, 2016, 07:13:11 PM
by dlparkhurst
USER_GRAPH

Started by janethalina

2 Replies
1909 Views
Last post December 05, 2016, 05:14:23 PM
by janethalina
PhreeqcRM with MATLAB

Started by mmasi

10 Replies
4642 Views
Last post November 29, 2016, 01:34:44 PM
by Pak
graphs with reaction and change of pH

Started by Brendan

1 Replies
1592 Views
Last post November 28, 2016, 10:15:57 PM
by dlparkhurst
Modelling Cl2 reaction with NaOH

Started by mmasi

5 Replies
2285 Views
Last post November 24, 2016, 05:05:08 PM
by dlparkhurst
Questions about Specific Conductance

Started by steven

4 Replies
1988 Views
Last post November 14, 2016, 03:32:32 PM
by martin90
User_Graph not working but also not giving me an error...

Started by AshP

2 Replies
2026 Views
Last post November 02, 2016, 06:55:22 PM
by AshP
Iphreeqc not calculating molalities of all ions

Started by dhellon

2 Replies
1678 Views
Last post October 19, 2016, 11:07:08 PM
by dhellon
If the water sample is not acidified in the field what should I do to???

Started by genIm

1 Replies
1489 Views
Last post October 06, 2016, 04:35:57 PM
by dlparkhurst
Modelling of CO2 phase distribution in a bottle

Started by Renaud

2 Replies
2715 Views
Last post September 15, 2016, 07:56:01 AM
by Renaud
getting the specific conductance output with COM server

Started by LBergwerff

4 Replies
3758 Views
Last post August 31, 2016, 06:29:35 PM
by dlparkhurst
Removing solid phases from system while reaction

Started by freemountain

2 Replies
1782 Views
Last post August 30, 2016, 11:52:38 AM
by freemountain
converge error

Started by elham

2 Replies
1904 Views
Last post July 28, 2016, 12:09:05 PM
by elham
Dissolved CO2 in water analysis

Started by Charlie

2 Replies
3181 Views
Last post July 19, 2016, 11:51:35 AM
by Charlie
Modelling of solution composition with high Al concentration

Started by E.Eiche

7 Replies
2625 Views
Last post July 14, 2016, 10:08:53 AM
by MichaelZ20
Re. calculation of enthalpy of dissolution (heat of solution)

Started by mksingh

1 Replies
1566 Views
Last post July 12, 2016, 08:34:24 PM
by dlparkhurst
Geochemical/geomechanical analysis of injected C02 into a saline reservoir

Started by sh00horn

1 Replies
1699 Views
Last post July 01, 2016, 03:30:58 AM
by dlparkhurst
Basic Ionic Strength Question

Started by pdomski

3 Replies
1841 Views
Last post June 29, 2016, 11:58:00 PM
by dlparkhurst
Selected output with initial solutions omitted?

Started by liamabrahamsen

2 Replies
1862 Views
Last post June 03, 2016, 03:40:09 PM
by liamabrahamsen
How to fix with the WARINGs??

Started by yuqing

4 Replies
2082 Views
Last post May 30, 2016, 08:04:36 PM
by dlparkhurst
Thermodynamic data of minerals

Started by Hennessy

0 Replies
1564 Views
Last post May 28, 2016, 03:46:25 AM
by Hennessy
Partial pressure of CO2 in the lake water

Started by aoiringo

5 Replies
3082 Views
Last post May 25, 2016, 04:48:39 PM
by pdomski
Coupling IPhreeqc in Fortran

Started by haofuyu123

2 Replies
2119 Views
Last post May 19, 2016, 08:20:55 AM
by haofuyu123
USER_GRAPH

Started by Snavea

8 Replies
4091 Views
Last post April 26, 2016, 05:43:01 PM
by dlparkhurst
Problem printing to pdf

Started by Mannes

3 Replies
1689 Views
Last post April 07, 2016, 07:48:39 PM
by dlparkhurst
Output_Saturation Index

Started by Buvi

3 Replies
2606 Views
Last post March 25, 2016, 03:39:42 AM
by dlparkhurst
Saturation Index

Started by Buvi

1 Replies
2177 Views
Last post March 01, 2016, 05:21:20 PM
by dlparkhurst
code templates from keyword index in PfW

Started by bplaner

1 Replies
1604 Views
Last post February 18, 2016, 08:01:27 PM
by dlparkhurst
Error in Percent Error

Started by Messias

8 Replies
3277 Views
Last post February 05, 2016, 12:27:48 PM
by Messias
Water ionic balance

Started by Nori_Lu

1 Replies
1614 Views
Last post February 03, 2016, 11:21:54 PM
by dlparkhurst
Adding protons to the solution

Started by PhreeqCuser2024

2 Replies
2153 Views
Last post February 03, 2016, 07:10:56 AM
by PhreeqCuser2024
Different pH values depending on how the solution is equilibrated?

Started by piet

2 Replies
1758 Views
Last post January 05, 2016, 06:38:21 AM
by piet
Groundwater density

Started by toshiyukihokari

1 Replies
1429 Views
Last post December 28, 2015, 04:50:56 PM
by dlparkhurst
CO2(aq)

Started by DHodkin

2 Replies
1834 Views
Last post December 16, 2015, 11:34:45 AM
by DHodkin
How is calculated the solution volume in Phreeqc?

Started by Pak

3 Replies
1699 Views
Last post December 11, 2015, 04:49:30 PM
by dlparkhurst
Consequence of small amounts of water

Started by Pak

2 Replies
1478 Views
Last post December 11, 2015, 11:54:35 AM
by Pak
notation for hydrocarbons (ethane, ethene, propane)

Started by deso

1 Replies
1515 Views
Last post December 11, 2015, 09:00:35 AM
by dlparkhurst
PhreeqC Calculation of Alkalinity

Started by Matx

3 Replies
3006 Views
Last post November 27, 2015, 04:25:37 AM
by Matx
Water Incompatibility

Started by amirchakavak

1 Replies
1578 Views
Last post November 12, 2015, 05:09:36 PM
by dlparkhurst
Convergence problem

Started by Max1

1 Replies
1510 Views
Last post November 09, 2015, 06:41:31 PM
by dlparkhurst
How to input mg/l data correct and consistent

Started by geosmk

4 Replies
2420 Views
Last post November 03, 2015, 01:09:36 AM
by dlparkhurst
Vapor temperature for equilibrium of NaCl-H2O

Started by CLanglais

6 Replies
2272 Views
Last post October 30, 2015, 09:28:42 AM
by CLanglais
error- alkalinity not converging

Started by kdog

8 Replies
3262 Views
Last post October 22, 2015, 01:39:27 PM
by dlparkhurst
error- units for master species not compatible

Started by kdog

3 Replies
1988 Views
Last post October 20, 2015, 07:56:20 PM
by kdog
Half-cell redox modeling

Started by cevans3098

1 Replies
1488 Views
Last post October 15, 2015, 09:28:07 PM
by cevans3098
Precipitation

Started by Max1

1 Replies
1370 Views
Last post October 09, 2015, 06:45:05 PM
by dlparkhurst
pure gas zone and ice phase

Started by Hubert

1 Replies
1358 Views
Last post October 08, 2015, 06:20:37 PM
by dlparkhurst
PhreeqcRM and IPhreeqc with multiple threads

Started by Jauch

7 Replies
2812 Views
Last post October 08, 2015, 09:59:34 AM
by Jauch
pH & pe operators analogical to REACTION_TEMPERATURE

Started by Alexey

4 Replies
1925 Views
Last post October 01, 2015, 07:23:52 PM
by Alexey
PhreeqC and precipitated material

Started by Jauch

7 Replies
2607 Views
Last post September 30, 2015, 03:43:14 PM
by Jauch
Basic question rates

Started by Pak

1 Replies
1522 Views
Last post September 29, 2015, 04:48:37 PM
by dlparkhurst
PhreeqcRM - Multiple sessions simulation

Started by Jauch

1 Replies
1972 Views
Last post September 25, 2015, 04:09:41 PM
by dlparkhurst
PhreeqcRM error message -

Started by Jauch

1 Replies
1673 Views
Last post September 25, 2015, 03:51:40 PM
by dlparkhurst
Multiple TRANSPORT data blocks

Started by Max1

1 Replies
1431 Views
Last post September 22, 2015, 01:30:38 PM
by dlparkhurst
SOLUTION and amount of cells

Started by Max1

1 Replies
1341 Views
Last post September 16, 2015, 04:28:51 PM
by dlparkhurst
PhreeqCRM - Getting Output defined by user

Started by Jauch

2 Replies
1621 Views
Last post September 16, 2015, 04:32:01 AM
by Jauch
PhreeqcRM - Disabling output messages to screen

Started by Jauch

2 Replies
1394 Views
Last post September 14, 2015, 07:59:58 PM
by Jauch
PhreeqCRM integration with a surface water model (MOHID)

Started by Jauch

2 Replies
2129 Views
Last post September 10, 2015, 07:56:36 AM
by Jauch
Contradicting redox couples

Started by Max1

1 Replies
1626 Views
Last post August 20, 2015, 04:48:04 PM
by dlparkhurst
Fe(2+) amount in solution is not stable

Started by Max1

3 Replies
1672 Views
Last post August 04, 2015, 01:33:37 PM
by dlparkhurst
request for input review (from a newbie)

Started by andrei starobin

2 Replies
1665 Views
Last post July 23, 2015, 07:56:28 PM
by andrei starobin
Good modeling practice

Started by Tom

1 Replies
1661 Views
Last post July 15, 2015, 11:52:33 PM
by dlparkhurst
Moles of mineral

Started by Hubert

12 Replies
4934 Views
Last post July 12, 2015, 06:23:54 AM
by dlparkhurst
The problem about Equlibrium

Started by yuqing

1 Replies
1608 Views
Last post July 08, 2015, 04:54:35 PM
by Charlie
Convergence Error

Started by snjaykdubey

1 Replies
1550 Views
Last post June 27, 2015, 06:03:15 PM
by dlparkhurst
Return all output values using iPhreeqc.dll for speciation calculation

Started by Jicé

2 Replies
1621 Views
Last post June 04, 2015, 12:50:52 PM
by Jicé
Fe, Fe(+2), and Fe(+3)

Started by Pak

1 Replies
1890 Views
Last post May 29, 2015, 03:03:13 PM
by dlparkhurst
The pH is unsuitable??

Started by yuqing

2 Replies
1617 Views
Last post May 28, 2015, 01:42:22 AM
by yuqing
To fix the problems in the batch "reaction in steps"

Started by yuqing

4 Replies
1985 Views
Last post May 27, 2015, 06:37:39 AM
by yuqing
REACTION and keeping pH steady

Started by Ismail Mercimek

6 Replies
2505 Views
Last post May 07, 2015, 03:12:13 PM
by dlparkhurst
Basic TOT, MOL for USER_PRINT

Started by SyazwanAdzhar

7 Replies
2854 Views
Last post May 06, 2015, 02:42:52 PM
by dlparkhurst
SOLUTION_SPREAD keyword and variable saturation indices

Started by Kurt

1 Replies
1779 Views
Last post April 16, 2015, 04:40:10 PM
by dlparkhurst
shortcut command/keystroke to comment/uncomment a piece of code

Started by sumana

1 Replies
1601 Views
Last post April 16, 2015, 04:32:06 PM
by dlparkhurst
MATLAB Linux

Started by IgorMarkelov

7 Replies
3280 Views
Last post April 14, 2015, 03:10:05 PM
by dlparkhurst
Evaporating fluid while replenishing

Started by PieterBertier

3 Replies
1829 Views
Last post April 06, 2015, 10:42:52 PM
by dlparkhurst
Calculating amount of solution required to precipitate

Started by DavidLittleBig

3 Replies
2233 Views
Last post April 03, 2015, 03:10:08 PM
by dlparkhurst
Degassing of CO2 with concurrent calcite precipitation

Started by Pia-Caroline

1 Replies
2105 Views
Last post March 25, 2015, 07:18:13 PM
by dlparkhurst
is it possible using two database?

Started by Seung-Joo

2 Replies
1858 Views
Last post March 24, 2015, 06:21:37 AM
by Seung-Joo
solubility of CO2 in CO2 rich water

Started by Seung-Joo

3 Replies
2507 Views
Last post March 23, 2015, 01:41:08 PM
by dlparkhurst
Output from IPHREEQC

Started by jerome

4 Replies
2984 Views
Last post March 22, 2015, 10:42:59 PM
by jerome
runphreeqc.xls Excel add-in example gives "Run-time Error 424 Object Required"

Started by rockman

2 Replies
2100 Views
Last post March 19, 2015, 10:57:08 AM
by rockman
New element and reaction

Started by tanbbc

1 Replies
4180 Views
Last post March 17, 2015, 03:00:16 AM
by dlparkhurst
sequence of the reactions

Started by tanbbc

4 Replies
2615 Views
Last post March 17, 2015, 12:55:14 AM
by tanbbc
IPhreeqc COM and MATLAB

Started by SyazwanAdzhar

2 Replies
3516 Views
Last post March 13, 2015, 07:34:34 AM
by SyazwanAdzhar
Significant water increase after each equilibrium and pH adjustment cycle

Started by rockman

2 Replies
1935 Views
Last post March 12, 2015, 05:54:29 PM
by rockman
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