PHREEQC Users | Resource for geochemists

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Subject / Started by	Replies / Views	Last post
Approaches for pH (estimation, fixing etc...) Started by Tom	2 Replies 11572 Views	28/11/23 15:52 by dlparkhurst
need help fixing pH Started by wasylenki	14 Replies 14418 Views	24/12/21 06:28 by MichaelZ20
Evaporate a solution using PHREEQC Started by Tom	6 Replies 9474 Views	04/02/21 14:54 by dlparkhurst
Converting from molality (mol/kgw) to mg/l for high solubility minerals Started by Tom	24 Replies 21530 Views	20/03/20 12:11 by GeeqC
alkalinity confusion Started by deso	5 Replies 17775 Views	22/02/16 23:35 by deso
Alkalinity and HCO3- how we put in Phreeqc? Started by Carla	3 Replies 12396 Views	25/05/14 19:46 by Carla
The operation result of copying Instance 9 is incorrect Started by yisongxu	5 Replies 294 Views	18/05/25 19:02 by dlparkhurst
Validating PHREEQC activity coefficent Started by salimmalik	3 Replies 236 Views	14/05/25 14:16 by dlparkhurst
COM module fails but PHREEQCi works Started by TerryH	3 Replies 125 Views	14/05/25 12:48 by dlparkhurst
How to adjust S(6) concentration in PHREEQC to match a fixed pH from pH meter? Started by ss13217	1 Replies 146 Views	30/04/25 17:28 by dlparkhurst
Modelling the activity coefficient- Database for nitrite NO2- Started by salimmalik	1 Replies 112 Views	30/04/25 13:35 by dlparkhurst
Differences in results between Windows/Linux version and Mac version Started by mmelwani	4 Replies 412 Views	23/04/25 00:42 by mmelwani
PHREEQC Mixing Model ? Can RPM and Time Be Included? Started by adhindafa	5 Replies 491 Views	21/04/25 16:38 by dlparkhurst
Connecting element-based flow and transport solver to PHREEQC Started by anovikov	3 Replies 329 Views	16/04/25 12:56 by anovikov
Setting solution pH with NaOH concentration Started by OLIVIA_RH	2 Replies 380 Views	09/04/25 12:00 by OLIVIA_RH
Eu carbonate pH distribution Started by hj990425	1 Replies 350 Views	26/03/25 14:20 by dlparkhurst
Defining rates for mineral precipitation Started by WJJ	1 Replies 375 Views	19/03/25 21:10 by dlparkhurst
Ionic Strength of brine water Started by Jovel	2 Replies 315 Views	16/03/25 14:48 by Jovel
A problem with EQUI Started by AnotherSLGuy	2 Replies 341 Views	14/03/25 02:33 by AnotherSLGuy
reducing/oxidation conditions Started by hj990425	1 Replies 396 Views	05/03/25 06:01 by dlparkhurst
As phase plot example Started by jt2020	5 Replies 650 Views	03/03/25 16:15 by jt2020
Implementation of a figure Started by Chemistry	3 Replies 448 Views	01/03/25 05:23 by dlparkhurst
Question about the charge KEYWORD Started by hj990425	1 Replies 291 Views	28/02/25 05:12 by dlparkhurst
Compiing issue when running the IPheeqc advection example in cpp Started by conghaoyi	2 Replies 343 Views	20/02/25 22:07 by conghaoyi
How do I change the pH of a solution with hydrochloric acid Started by Smolly	1 Replies 483 Views	11/02/25 03:16 by dlparkhurst
Batch reaction with kinetic dissolution and equilibrium precipitation Started by Max	1 Replies 489 Views	08/02/25 15:16 by dlparkhurst
Help with setting up Fe hydroxiphosphate precipitation reaction Started by frederico_aragao	3 Replies 1294 Views	07/02/25 18:25 by dlparkhurst
Help on understanding how RATES and some other blocks are written Started by frederico_aragao	2 Replies 470 Views	05/02/25 12:02 by frederico_aragao
conversion from molarity to molality Started by ss13217	3 Replies 467 Views	24/01/25 23:26 by ss13217
PhreeqcRM: using CreateMapping() to inactive cells from reaction calculation Started by weilas	2 Replies 458 Views	24/01/25 00:57 by weilas
Problem regarding missing species of CaF after simulation Started by i_azharkhan	0 Replies 607 Views	04/01/25 17:10 by i_azharkhan
Errors in a modified database Started by RenAmb	2 Replies 956 Views	21/12/24 15:55 by dlparkhurst
Need help with estimating pH in different soil layers through time Started by Azad	3 Replies 787 Views	19/12/24 15:34 by dlparkhurst
On the right usage of KNOBS Started by Flopi	7 Replies 2877 Views	11/12/24 15:25 by dlparkhurst
FREE ION ACTIVITY AS INPUT Started by ioapa	1 Replies 703 Views	02/12/24 12:45 by dlparkhurst
Titrating with H2SO4 - figuring amount added Started by JVillinski	4 Replies 694 Views	27/11/24 14:05 by JVillinski
Solubility of CO2 in a system with fixed total pressure Started by jalil	1 Replies 548 Views	25/11/24 16:31 by dlparkhurst
Binary Interaction Parameter for Gas Mixtures Started by Salem	1 Replies 640 Views	09/11/24 17:34 by dlparkhurst
Understanding Pitzer Model Started by Salem	1 Replies 860 Views	08/11/24 18:16 by dlparkhurst
Issue with Multiple PhreeqcRM Instances and RM_SetConcentrations in Fortran Started by pirouzs	1 Replies 622 Views	08/11/24 01:17 by dlparkhurst
Kinetic CO2 degassing Started by MichaelZ20	4 Replies 885 Views	31/10/24 13:07 by MichaelZ20
Iteration Started by Researcher	2 Replies 879 Views	30/10/24 12:17 by Researcher
pH calculation Started by aud	2 Replies 595 Views	30/10/24 09:07 by aud
number of mixruns with variable cell length Started by Feldmann	2 Replies 653 Views	24/10/24 11:55 by Feldmann
Niobium specitation plot Started by kimdy	1 Replies 626 Views	16/10/24 14:39 by dlparkhurst
non-carbonate/total carbonate error Started by JVillinski	7 Replies 832 Views	15/10/24 00:23 by dlparkhurst
Density calculation in the Description of solution section of the output Started by Researcher	2 Replies 797 Views	04/10/24 13:07 by Researcher
KIN_DELTA sign Started by MichaelZ20	2 Replies 690 Views	26/09/24 14:34 by MichaelZ20
Questions about Vm Under SOLUTION_SPECIES Started by TRJ	1 Replies 577 Views	24/09/24 15:23 by dlparkhurst
Output product solubility constants Started by ammonge	4 Replies 995 Views	07/09/24 11:40 by ammonge
Disconnecting simulations for USER_GRAPH Started by MichaelZ20	9 Replies 1193 Views	06/09/24 20:08 by MichaelZ20
How to perform sequential equilibrations with Solution Spread Started by peterwadeuk	3 Replies 2121 Views	27/08/24 19:17 by lmanouki
How to extract data from the Output file Started by ss13217	1 Replies 685 Views	27/08/24 16:23 by dlparkhurst
On Lead solubility in water Started by ecsgsi	1 Replies 669 Views	26/08/24 14:27 by dlparkhurst
Kinetic Calcite Precipitation Started by TMPlanter	2 Replies 729 Views	20/08/24 01:07 by TMPlanter
Extremely high saturation indices of hematite in groundwater Started by Zhe Dong	2 Replies 698 Views	13/08/24 16:25 by Zhe Dong
Litharge solubility Started by ecsgsi	4 Replies 943 Views	10/08/24 16:03 by ecsgsi
I need hlep Started by asael mor	3 Replies 783 Views	06/08/24 15:29 by dlparkhurst
add diffusion coefficients Started by Mr.white	1 Replies 822 Views	03/08/24 23:02 by dlparkhurst
Discrepancy in Na and Cl Molality Calculation Across All Databases in PHREEQC Started by CHENTing	5 Replies 1422 Views	20/07/24 18:14 by dlparkhurst
Solution_spread and reactions Started by GeeqC	8 Replies 2891 Views	02/07/24 19:40 by GeeqC
CO2(g) - input file (PhreePlot) Started by blaziuu	1 Replies 878 Views	23/06/24 18:03 by dlparkhurst
Asking about PHREEQC for Struvite Modelling Started by adhindafa	4 Replies 992 Views	22/06/24 17:55 by MichaelZ20
pH estimation without Alkalinity measurement Started by lisaR	7 Replies 999 Views	22/06/24 17:04 by dlparkhurst
pH effective value Started by lisaR	1 Replies 688 Views	20/06/24 16:32 by dlparkhurst
Fix Redox State Problem Started by Chemistry	1 Replies 614 Views	18/06/24 16:26 by dlparkhurst
Interaction of CO2-H2S with Carbonate Minerals Started by amerhyme	1 Replies 1194 Views	09/06/24 23:18 by dlparkhurst
AI, Google Search, and Internet Changes Started by loonst	1 Replies 732 Views	07/06/24 03:07 by anatolewilson
Uranium-borate complex Started by magan.govender	2 Replies 786 Views	30/05/24 09:47 by magan.govender
EQUILIBRIUM_PHASES with atmospheric pressure Started by Jowitawl	2 Replies 865 Views	23/05/24 11:22 by Jowitawl
Simple questions on BASIC statement/function for data extraction Started by charis.sy.wong	5 Replies 3732 Views	10/05/24 06:38 by Jeonghwan Hwang
Transport shifts and reaction/kinetics steps Started by MichaelZ20	13 Replies 2252 Views	04/05/24 17:25 by MichaelZ20
Question about KIN_DELTA("Species") calculation Started by Subat	1 Replies 894 Views	01/05/24 07:48 by dlparkhurst
Input erros Started by gmgmgm	1 Replies 1158 Views	28/04/24 22:27 by dlparkhurst
Will excessive reaction steps cause the model to crash？ Started by Rhine	3 Replies 1142 Views	16/04/24 15:17 by dlparkhurst
CO2SYS comparison Started by steve.rackley	1 Replies 1091 Views	30/03/24 15:21 by dlparkhurst
Ionic strength limits Started by Charlie	6 Replies 4158 Views	26/03/24 14:02 by MACAHarding
RATES doesn't work Started by gmgmgm	5 Replies 1153 Views	20/03/24 20:43 by dlparkhurst
How to fix charge balance error for acid solution and buffer Started by ss13217	3 Replies 1055 Views	19/03/24 17:07 by dlparkhurst
Kinetics, Rates and Advection: K-Feldar Dissolves and Albite Precipitates Started by MACAHarding	5 Replies 1496 Views	14/03/24 14:53 by dlparkhurst
Modeling dissolution without rock/fluid equilibrium Started by TMPlanter	5 Replies 1339 Views	11/03/24 14:11 by TMPlanter
Evaporation Simulation Question Started by davidblevy	2 Replies 1117 Views	06/03/24 18:39 by davidblevy
pH of mixed solution Started by Merson	3 Replies 1177 Views	06/03/24 14:31 by dlparkhurst
Error with SiO2 when adding new minerals to a Pitzer model. Started by TMPlanter	4 Replies 1269 Views	04/03/24 13:40 by TMPlanter
Difference between KIN_DELTA and SAVE moles Started by ciegolon	1 Replies 1033 Views	28/02/24 16:46 by dlparkhurst
how to convert from mg/l to molality ? Started by AlemanDavid	1 Replies 1171 Views	23/02/24 15:18 by dlparkhurst
Guide on running a simple example and seeing the results with PHREEQCRM Started by 1byte	12 Replies 2328 Views	17/02/24 01:14 by ciegolon
Convergence issues calculating speciation Started by caitlin.selfe	3 Replies 1450 Views	15/02/24 04:13 by dlparkhurst
How to compute the hydrogen solubility in pure water with different temperature Started by yshiduo	2 Replies 1258 Views	30/01/24 17:56 by yshiduo
How to compute the concentration with REACTION pressure and temperature Started by yshiduo	5 Replies 1406 Views	29/01/24 16:20 by yshiduo
Aqueous speciation as function of pH Started by geochemBeBe	4 Replies 1608 Views	09/01/24 22:45 by geochemBeBe
calculating SI for dissolution of calcite at different PCO2 values Started by crom	1 Replies 1394 Views	12/12/23 19:12 by dlparkhurst
Is it possible to calculate temperature change with PHREEQC? Started by MichaelZ20	1 Replies 1043 Views	11/12/23 14:09 by dlparkhurst
definition for expression “controlling phases” Started by c.wolke	0 Replies 1014 Views	04/12/23 12:02 by c.wolke
differences between phreeqc and manually calculated charge balance Started by JoniDH	1 Replies 1053 Views	30/11/23 15:01 by dlparkhurst
Data interaction between PHREEQC and toughreact Started by Merson	3 Replies 1239 Views	23/11/23 02:37 by dlparkhurst
Simulate the carbonation of Mg(OH)2 with NaHCO3 Started by lrossi	3 Replies 1294 Views	15/11/23 17:49 by dlparkhurst
H4SiO4 is not in the database, how to add it to show secondary major minerals Started by duanjiabin	1 Replies 1186 Views	07/11/23 14:49 by dlparkhurst
Pyrite dissolution /Fe+3 oxidation Started by gmgmgm	3 Replies 1274 Views	02/11/23 16:06 by dlparkhurst
Pyrite oxidation/ Fe+3 Started by gmgmgm	4 Replies 1729 Views	31/10/23 02:30 by gmgmgm
Neutralization of a multimetallic solution using NaOH Started by Kompa	2 Replies 1226 Views	24/10/23 12:27 by Kompa
NEW DATABASE Started by Bernice	1 Replies 1161 Views	18/10/23 20:26 by dlparkhurst
CO2 Stripping Started by pnair	1 Replies 1038 Views	06/10/23 16:12 by dlparkhurst
Adding VFAs/acetic acid into phreeqc Started by akaess	1 Replies 1131 Views	29/09/23 16:15 by dlparkhurst
CINETIQUE DE LA DISSOLUTION DU QUARTZ Started by LAMINE	1 Replies 1110 Views	21/09/23 21:06 by dlparkhurst
EFFECT OF NaCl, KCl and CaCl2 in solubility of Calcite Started by onat.yakisik	1 Replies 1218 Views	11/09/23 15:35 by dlparkhurst
Thermodynamic data Started by onat.yakisik	1 Replies 1089 Views	05/09/23 13:51 by dlparkhurst
Density calculation and mole concentration of components Started by Hashemi	2 Replies 1324 Views	29/08/23 15:35 by Hashemi
USER_Graph with pH-Value and SI Started by eismann	1 Replies 1258 Views	27/08/23 17:47 by dlparkhurst
Ionic strength reported and manually calculated are not consistent Started by klk	3 Replies 1416 Views	26/08/23 23:14 by dlparkhurst
Inconsistent amounts of elements when input is in mg/L Started by klk	4 Replies 1364 Views	20/08/23 04:33 by dlparkhurst
Calcium hydroxyphosphate(Ca5(PO4)3OH) Started by melaniewalker	1 Replies 1372 Views	11/08/23 15:38 by dlparkhurst
Calculatinh pH value from Major ion concnetrations Started by kbrohith	1 Replies 1198 Views	07/08/23 14:33 by dlparkhurst
pH increases after the concentration of a solution Started by dmcv	1 Replies 1126 Views	25/07/23 16:56 by dlparkhurst
adding alo2- as solution species is not working Started by maria	2 Replies 1195 Views	24/07/23 19:38 by maria
How to define mol amount for basalts for CO2-rock-brine interactions Started by maria	6 Replies 1878 Views	09/07/23 09:18 by maria
Apply reaction to array of solutions Started by GeeqC	3 Replies 1267 Views	20/06/23 22:50 by dlparkhurst
Speciation calculations for chemicals and defining DOC in PHREEQC. Started by hobbit1998	1 Replies 1208 Views	17/06/23 20:44 by dlparkhurst
Incremental mixing Started by tcotterell	3 Replies 1535 Views	08/06/23 20:27 by dlparkhurst
USER_GRAPH Started by MichaelZ20	4 Replies 1302 Views	07/06/23 18:29 by MichaelZ20
How to see the effect of an increased pH on a composition of water Started by akaess	1 Replies 1297 Views	05/06/23 15:32 by dlparkhurst
Defining the amount of moles in "EQUILIBRIUM_PHASES" Started by seanshi40@gmail.com	4 Replies 1545 Views	04/06/23 08:50 by seanshi40@gmail.com
Solubility of Fe(OH)3(a) in presence of Goethite Started by arif	2 Replies 1197 Views	03/06/23 22:38 by arif
help with initial condition for H2 reduction Started by amaury22	9 Replies 2198 Views	02/06/23 04:06 by amaury22
MINERAL CHANGE WITH RESPECT TO TIME Started by kennedyantwi1	4 Replies 1688 Views	20/05/23 23:11 by kennedyantwi1
Hydrogen peroxide solution Started by Tom	5 Replies 4710 Views	18/05/23 10:16 by AntonioG
How to model the Effect of CO2-brine-rock mineral interactions on porosity Started by kennedyantwi1	15 Replies 2824 Views	17/05/23 16:37 by kennedyantwi1
Simulating change in SI as a function of pH over time Started by DyliS	4 Replies 2215 Views	12/05/23 14:51 by dlparkhurst
CO2 Capture by Steel Slag Heap Started by Erdinc	3 Replies 1596 Views	11/05/23 16:50 by dlparkhurst
Calcite Solubility vs T (I get wrong results) Started by Salem	3 Replies 1597 Views	30/04/23 13:55 by Salem
Methylmercury speciation Started by Chrysius	1 Replies 1428 Views	24/04/23 12:09 by dlparkhurst
Lab-Titration versus PHREEQC-Alkalinity (at high CO2 concentrations) Started by Felix	2 Replies 1264 Views	24/04/23 00:23 by Felix
Adding a new graph to the graph of multiple mixes Started by MichaelZ20	2 Replies 1318 Views	21/04/23 17:22 by MichaelZ20
Reaction Enthalpy for Calcite in phreeqc.dat Started by Salem	3 Replies 1432 Views	19/04/23 18:53 by dlparkhurst
One major restriction on the rewriting capabilities for aqueous species Started by RayTherminator	2 Replies 1364 Views	18/04/23 16:51 by RayTherminator
Aeration/Iron-Oxidation as a Kinetic Process Started by hobbit1998	3 Replies 1471 Views	10/04/23 16:03 by dlparkhurst
Calculating meq/l from meq/kg CEC (fractured rock) Started by Felix	4 Replies 1920 Views	09/04/23 15:07 by Felix
Surface complexation and error with loading database file Started by hobbit1998	1 Replies 1244 Views	08/04/23 15:01 by dlparkhurst
Adding a chemical to a groundwater and tracking pH change Started by hobbit1998	3 Replies 1573 Views	08/04/23 14:36 by dlparkhurst
Binary interaction coefficients for multicomponent gas phase Started by ekeskin	3 Replies 1416 Views	29/03/23 00:12 by dlparkhurst
first steps Started by INZILLO	28 Replies 4761 Views	11/03/23 16:45 by INZILLO
Interpretting Output file Started by Agabamud	7 Replies 2035 Views	09/03/23 15:39 by dlparkhurst
Gas phase mol increase Started by dat	27 Replies 3729 Views	08/03/23 08:25 by dlparkhurst
PHREEQC in R ( phreeqc Package ) Started by azzeddine	7 Replies 2694 Views	08/03/23 03:35 by eeroden
same CO2 solubility with different brine concentrations? Started by maria	5 Replies 1750 Views	20/02/23 16:32 by dlparkhurst
Different saturation indices at different conditions Started by maria	2 Replies 1416 Views	07/02/23 13:11 by maria
Saturation Index in output file not log(IAP/Ksp) ? Started by GTG	3 Replies 2805 Views	02/02/23 15:09 by dlparkhurst
Specify "charge" in a multi-solution input file? Started by toupis12	1 Replies 1285 Views	30/01/23 19:51 by dlparkhurst
Geothermal solution modelling Started by maria	9 Replies 2088 Views	30/01/23 17:05 by maria
GPU usage for IPhreeqc Started by Wonwoo Yoon	3 Replies 1618 Views	26/01/23 03:53 by dlparkhurst
Running PHREEQC on Matlab Using Mac Started by Nic	2 Replies 1861 Views	19/01/23 17:10 by charlton
Gas solubilities in liquid solutions Started by micho_95	2 Replies 1643 Views	16/01/23 21:50 by micho_95
Davies equation in PHREEQC Started by Wonwoo Yoon	5 Replies 1548 Views	13/01/23 22:52 by dlparkhurst
Add gas to solution to get gas solubility at high pressures Started by ekeskin	13 Replies 3580 Views	12/01/23 10:50 by ekeskin
SURFACE block units Started by Nic	3 Replies 1332 Views	09/01/23 22:53 by dlparkhurst
Negative values of the total concentration of primary components as inputs Started by Sara Tabrizi	5 Replies 1736 Views	16/12/22 19:43 by Sara Tabrizi
Starting with PHREEQC Started by Salem	1 Replies 1776 Views	18/11/22 16:04 by dlparkhurst
Resources for setting up input file for marine CO2 modeling? Started by mcringham	3 Replies 2281 Views	17/11/22 20:42 by dlparkhurst
Activity Coefficient Models Started by Salem	2 Replies 1744 Views	15/11/22 12:50 by Salem
USER_GRAPH Started by ani.dol	2 Replies 1484 Views	08/11/22 12:28 by ani.dol
Bicarbonate input Started by rapheul	10 Replies 7315 Views	01/11/22 22:52 by pawanagra0@gmail.com
Database Error Started by victoriaade	11 Replies 2745 Views	28/10/22 12:29 by victoriaade
problems of Species Plot Started by Xavier.Qiu	5 Replies 2384 Views	23/09/22 17:47 by dlparkhurst
USER_GRAPH Questions Started by davidblevy	2 Replies 1655 Views	31/08/22 19:29 by davidblevy
convert meq/kgw to meq/L in alkalinity and convergence error Started by Chatura	5 Replies 2303 Views	31/08/22 14:25 by dlparkhurst
Calculate resulting pH by mixing 2 solutions Started by temo	1 Replies 1580 Views	23/08/22 20:03 by dlparkhurst
Distribution of Species Molality Question Started by zackh	1 Replies 1547 Views	15/08/22 19:24 by dlparkhurst
How to add brine solution in PHREEQC Started by maria	8 Replies 2974 Views	07/08/22 22:58 by dlparkhurst
Definition of saturation index SI/ documentation of version 3 Started by d_guse	3 Replies 2317 Views	05/08/22 14:28 by dlparkhurst
Single Stage Mine Water Treatment with Aeration Started by Onur	3 Replies 1800 Views	18/07/22 16:11 by dlparkhurst
Add hydrogen peroxide Started by matzanaroc	1 Replies 2220 Views	16/07/22 15:46 by dlparkhurst
Calculation of precipitated solid volume / Alkaline Reagent Consumption Started by Onur	7 Replies 2337 Views	04/07/22 21:05 by bobolovac
Pitzer act. coefficients for carbonate w/ dissociation constants by Millero 2006 Started by Piet_	10 Replies 3434 Views	12/06/22 07:37 by Piet_
Basic question about Selected_Output Started by pdomski	2 Replies 2019 Views	11/06/22 22:11 by pdomski
Failing to converge SOLUTION keyword with water identifier Started by smidera	2 Replies 1612 Views	31/05/22 21:51 by smidera
Solubility of hydroxides in water as a function of pH Started by ChemInd74	1 Replies 1697 Views	29/05/22 18:10 by dlparkhurst
Simulation of Aeration in PHREEQC and Using Reactants Started by Onur	4 Replies 1897 Views	25/05/22 20:55 by Onur
save mix_equilibrium_phases as a new equilibrium phases Started by Antonio	1 Replies 1647 Views	19/05/22 15:16 by dlparkhurst
Mineral dissolution/precipitation for CO2 injection Started by 261239	1 Replies 1858 Views	06/05/22 16:05 by dlparkhurst
EXCHANGE module and relation to sorption isotherms Started by larsaste	4 Replies 1875 Views	01/04/22 09:11 by larsaste
Should the known pKa for an acid be set in PHASES or in SOLUTION_SPECIES? Started by MichaelZ20	1 Replies 1763 Views	13/01/22 21:17 by dlparkhurst
Specific Conductance calculation Started by Isil	6 Replies 2548 Views	16/12/21 15:37 by dlparkhurst
calculate CO2 solubility in brine composition Started by maria	5 Replies 2891 Views	12/12/21 20:02 by dlparkhurst
PCO2 Equilibrium from Contact with Ca Started by teimah	2 Replies 2032 Views	30/11/21 18:52 by teimah
A problem with ADVECTION modeling Started by MichaelZ20	3 Replies 1995 Views	28/11/21 06:37 by MichaelZ20
K-struvite precipitation Started by Cami	4 Replies 2227 Views	22/11/21 16:33 by Cami
What's the exact meaning or the formal name of "SiO2(a)" Started by Smith.Z	5 Replies 2391 Views	18/11/21 02:29 by Smith.Z
Sequence of PHREEQC calculations Started by MichaelZ20	1 Replies 1706 Views	11/11/21 22:07 by dlparkhurst
Calculation of the exchanger composition changes pe? Started by MichaelZ20	1 Replies 1576 Views	04/11/21 18:16 by dlparkhurst
Alkalinity not converging - alkalinity input as C(4) Started by pvignoni	2 Replies 2382 Views	27/10/21 12:36 by pvignoni
Creat a solution with dissolved oxygen and dissolved organic carbon Started by Zhaoyang	19 Replies 5080 Views	19/10/21 13:48 by Zhaoyang
Question of the Gaines-Thomas convention in PHREEQC Started by Jeonghwan Hwang	1 Replies 1779 Views	13/10/21 15:54 by dlparkhurst
KINETICS and REACTION in the context of pyrite oxidation Started by emkau	1 Replies 2192 Views	08/10/21 16:08 by dlparkhurst
Obtain selected output from PhreeqcRM Started by Ellis	10 Replies 2583 Views	04/10/21 17:29 by Ellis
Can a REACTION_PRESSURE be applied to a whole SOLUTION_SPREAD? Started by geomorgski	3 Replies 1927 Views	22/09/21 16:50 by dlparkhurst
Additional software information Started by AnnaJulIQ	3 Replies 1811 Views	19/09/21 01:35 by dlparkhurst
charge balance error Started by hyedy	1 Replies 3750 Views	09/09/21 10:27 by dlparkhurst
pH variations with reaction pressure and temperature Started by Franco Galarce	1 Replies 1920 Views	14/08/21 00:03 by dlparkhurst
Question about the results according to the concentration of cesium Started by Jeonghwan Hwang	3 Replies 2639 Views	29/07/21 15:05 by dlparkhurst
working of phreeqc Started by rimsi	2 Replies 2139 Views	12/07/21 07:23 by rimsi

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