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Subject / Started by Replies / Views Last post
Alkalinity and HCO3- how we put in Phreeqc?

Started by Carla

3 Replies
8049 Views
Last post May 25, 2014, 07:46:13 PM
by Carla
alkalinity confusion

Started by deso

5 Replies
9229 Views
Last post February 22, 2016, 11:35:50 PM
by deso
Approaches for pH (estimation, fixing etc...)

Started by Tom

0 Replies
7774 Views
Last post May 04, 2014, 10:43:37 AM
by Tom
Converting from molality (mol/kgw) to mg/l for high solubility minerals

Started by Tom

24 Replies
13779 Views
Last post March 20, 2020, 12:11:40 PM
by GeeqC
Evaporate a solution using PHREEQC

Started by Tom

6 Replies
6332 Views
Last post February 04, 2021, 02:54:22 PM
by dlparkhurst
need help fixing pH

Started by wasylenki

14 Replies
8923 Views
Last post December 24, 2021, 06:28:47 AM
by MichaelZ20
A change in ionic strength at ethanol addition

Started by MichaelZ20

4 Replies
693 Views
Last post January 17, 2021, 05:55:57 PM
by MichaelZ20
A Guide to use User_Graph

Started by process

5 Replies
1254 Views
Last post May 05, 2019, 10:46:00 AM
by process
A problem with ADVECTION modeling

Started by MichaelZ20

3 Replies
420 Views
Last post November 28, 2021, 06:37:55 AM
by MichaelZ20
Activity Coefficient Models

Started by Salem

2 Replies
94 Views
Last post November 15, 2022, 12:50:28 PM
by Salem
Add gas to solution to get gas solubility at high pressures

Started by ekeskin

13 Replies
234 Views
Last post January 12, 2023, 10:50:20 AM
by ekeskin
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
Adding elements to data base

Started by Franco Galarce

5 Replies
920 Views
Last post January 28, 2021, 03:15:42 AM
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
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
Additional software information

Started by AnnaJulIQ

3 Replies
348 Views
Last post September 19, 2021, 01:35:26 AM
by dlparkhurst
Adjusting pe to equilibrium with atmospheric oxygen

Started by Tom

0 Replies
1592 Views
Last post April 26, 2014, 10:47:40 AM
by Tom
Adjusting pH to charge balance - HCl example

Started by Tom

0 Replies
1787 Views
Last post April 26, 2014, 10:38:39 AM
by Tom
Advection and mixing

Started by fshansen

5 Replies
1980 Views
Last post February 01, 2017, 03:35:17 PM
by dlparkhurst
Aeration of water to remove carbon dioxide

Started by temo

3 Replies
1014 Views
Last post May 14, 2020, 08:48:22 PM
by dlparkhurst
Alkalinity input and then output interpretation

Started by Toph

1 Replies
1006 Views
Last post December 12, 2019, 12:15:51 AM
by dlparkhurst
Alkalinity not converging - alkalinity input as C(4)

Started by pvignoni

2 Replies
429 Views
Last post October 27, 2021, 12:36:57 PM
by pvignoni
Ammonium buffer in llnl.dat

Started by fsamm

2 Replies
1325 Views
Last post July 15, 2018, 08:06:24 PM
by fsamm
Amount of water in solution 1-cells

Started by Olasz Tamas

2 Replies
780 Views
Last post March 04, 2020, 08:41:17 AM
by Olasz Tamas
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
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
Assigning species to Valence

Started by EMH121

0 Replies
1542 Views
Last post February 04, 2017, 03:14:28 AM
by EMH121
association constants for undefined organic soluble species

Started by joannadziadkowiec

1 Replies
723 Views
Last post March 24, 2020, 10:56:20 PM
by dlparkhurst
Basic Ionic Strength Question

Started by pdomski

3 Replies
1841 Views
Last post June 29, 2016, 11:58:00 PM
by dlparkhurst
Basic question about Selected_Output

Started by pdomski

2 Replies
266 Views
Last post June 11, 2022, 10:11:04 PM
by pdomski
Basic question rates

Started by Pak

1 Replies
1522 Views
Last post September 29, 2015, 04:48:37 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
Batch processing of files

Started by Jiri

4 Replies
796 Views
Last post October 22, 2019, 07:58:27 AM
by Jiri
Bicarbonate input

Started by rapheul

10 Replies
3930 Views
Last post November 01, 2022, 10:52:17 PM
by pawanagra0@gmail.com
C indicates CO3-2 or HCO3-

Started by Zhaoyang

1 Replies
720 Views
Last post January 25, 2021, 09:22:14 PM
by dlparkhurst
Calcite Disolution

Started by pia said

1 Replies
757 Views
Last post August 08, 2019, 04:45:27 AM
by dlparkhurst
Calcite equilibrates with acid(H2SO4 and HCl)

Started by RAD

6 Replies
2900 Views
Last post August 13, 2014, 06:02:40 PM
by dlparkhurst
Calcite precipitation with Co2 degassing

Started by SsamRroberts

10 Replies
1296 Views
Last post April 01, 2020, 01:48:57 PM
by SsamRroberts
calculate CO2 solubility in brine composition

Started by maria

5 Replies
604 Views
Last post December 12, 2021, 08:02:24 PM
by dlparkhurst
Calculate redox potential from equilibrium solid

Started by peterwadeuk

1 Replies
2126 Views
Last post October 19, 2017, 08:44:38 PM
by dlparkhurst
Calculate resulting pH by mixing 2 solutions

Started by temo

1 Replies
190 Views
Last post August 23, 2022, 08:03:59 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
Calculating meq/l from meq/kg CEC (fractured rock)

Started by Felix

1 Replies
106 Views
Last post October 16, 2022, 12:15:01 AM
by dlparkhurst
Calculating pressures in PHREEQC

Started by ellenvdveer

1 Replies
1723 Views
Last post August 29, 2014, 04:09:25 PM
by dlparkhurst
Calculating the density

Started by Zhaoyang

1 Replies
736 Views
Last post June 27, 2020, 03:10:21 PM
by dlparkhurst
Calculating Water:Rock

Started by Charlie

1 Replies
2566 Views
Last post March 21, 2014, 09:16:27 AM
by Tom
Calculation of precipitated solid volume / Alkaline Reagent Consumption

Started by Onur

7 Replies
351 Views
Last post July 04, 2022, 09:05:19 PM
by bobolovac
Calculation of the exchanger composition changes pe?

Started by MichaelZ20

1 Replies
319 Views
Last post November 04, 2021, 06:16:01 PM
by dlparkhurst
calculation the analytical

Started by ehsan

1 Replies
582 Views
Last post June 01, 2021, 02:32:42 PM
by dlparkhurst
Can a REACTION_PRESSURE be applied to a whole SOLUTION_SPREAD?

Started by geomorgski

3 Replies
440 Views
Last post September 22, 2021, 04:50:42 PM
by dlparkhurst
Carbon dioxide ejection

Started by tianshiyu

3 Replies
797 Views
Last post December 11, 2019, 03:25:46 PM
by dlparkhurst
cation exchange capacity

Started by m.leal

1 Replies
2149 Views
Last post June 17, 2014, 05:02:05 PM
by dlparkhurst
Change in oxidation state: ClO4- ion

Started by jungsdao

1 Replies
795 Views
Last post November 04, 2019, 04:16:11 PM
by dlparkhurst
Change location of SELECTED_OUTPUT file?

Started by Tom

1 Replies
1683 Views
Last post April 09, 2014, 03:29:26 AM
by dlparkhurst
Changing database in Phreeplot

Started by jt2020

2 Replies
638 Views
Last post April 30, 2021, 11:46:18 AM
by jt2020
charge balance error

Started by hyedy

1 Replies
599 Views
Last post September 09, 2021, 10:27:45 AM
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
CO2 dissolution in Na-Ca-S-Cl using the Pitzer database

Started by michaelhenehan

2 Replies
883 Views
Last post April 07, 2020, 08:38:11 AM
by michaelhenehan
CO2(aq)

Started by DHodkin

2 Replies
1834 Views
Last post December 16, 2015, 11:34:45 AM
by DHodkin
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
CO2-rich waters and CO2(aq)

Started by barka

9 Replies
2473 Views
Last post May 24, 2018, 01:25:22 AM
by dlparkhurst
Code for sulfure oxidation (DMA) simulation

Started by SCH

5 Replies
928 Views
Last post May 22, 2020, 03:41:55 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
Coefficient A in Davies equation

Started by peterwadeuk

2 Replies
1538 Views
Last post July 11, 2017, 10:17:04 AM
by peterwadeuk
Conceptual Understanding of PHREEQC-RM

Started by ttgeochem

3 Replies
1861 Views
Last post January 13, 2018, 01:55:15 AM
by dlparkhurst
Confusion regarding SIT and Pitzer

Started by GCanciani

2 Replies
804 Views
Last post September 30, 2019, 07:22:43 AM
by GCanciani
Consequence of small amounts of water

Started by Pak

2 Replies
1478 Views
Last post December 11, 2015, 11:54:35 AM
by Pak
Context for SI Change

Started by lourdsa

1 Replies
651 Views
Last post January 16, 2020, 07:08:58 PM
by dlparkhurst
Contradicting redox couples

Started by Max1

1 Replies
1626 Views
Last post August 20, 2015, 04:48:04 PM
by dlparkhurst
Control and Understand Charge Balance Element for SOLUTION_SPREAD inputs

Started by swhit

1 Replies
797 Views
Last post August 06, 2019, 01:45:55 AM
by dlparkhurst
converge error

Started by elham

2 Replies
1904 Views
Last post July 28, 2016, 12:09:05 PM
by elham
Convergence Error

Started by snjaykdubey

1 Replies
1550 Views
Last post June 27, 2015, 06:03:15 PM
by dlparkhurst
Convergence error of water activity

Started by leizheng41

3 Replies
2071 Views
Last post June 03, 2019, 06:29:51 PM
by dlparkhurst
convergence errors

Started by Brendan

1 Replies
1711 Views
Last post May 13, 2017, 01:41:37 AM
by dlparkhurst
Convergence problem

Started by Max1

1 Replies
1510 Views
Last post November 09, 2015, 06:41:31 PM
by dlparkhurst
Convergence problems in IPhreeqc (in excel)

Started by djb14128

7 Replies
1639 Views
Last post December 06, 2019, 06:45:50 PM
by dlparkhurst
convert meq/kgw to meq/L in alkalinity and convergence error

Started by Chatura

5 Replies
247 Views
Last post August 31, 2022, 02:25:38 PM
by dlparkhurst
coupling

Started by elham

8 Replies
4643 Views
Last post April 30, 2018, 10:51:07 AM
by Pak
Coupling IPhreeqc in Fortran

Started by haofuyu123

2 Replies
2119 Views
Last post May 19, 2016, 08:20:55 AM
by haofuyu123
coupling PHREEQC into a Matlab code

Started by niall.holmes

1 Replies
888 Views
Last post May 22, 2019, 04:52:52 PM
by Pak
Creat a solution with dissolved oxygen and dissolved organic carbon

Started by Zhaoyang

19 Replies
1040 Views
Last post October 19, 2021, 01:48:19 PM
by Zhaoyang
create a graph with Linux

Started by studentforlife

0 Replies
1516 Views
Last post February 13, 2017, 05:04:11 PM
by studentforlife
Database Error

Started by victoriaade

11 Replies
212 Views
Last post October 28, 2022, 12:29:42 PM
by victoriaade
Database errors "WARNING: Unknown input, no keyword has been specified."

Started by GCanciani

2 Replies
1051 Views
Last post June 11, 2019, 02:11:10 PM
by GCanciani
Davies equation in PHREEQC

Started by Wonwoo Yoon

5 Replies
68 Views
Last post January 13, 2023, 10:52:23 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
Definition of acid dissociation in water

Started by Yongqiang

3 Replies
672 Views
Last post January 13, 2020, 02:58:45 PM
by MichaelZ20
Definition of saturation index SI/ documentation of version 3

Started by d_guse

3 Replies
657 Views
Last post August 05, 2022, 02:28:04 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
Density calculation - program limit

Started by MichaelZ20

2 Replies
641 Views
Last post July 20, 2020, 05:55:09 PM
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
Determination of pCO2 that produces a given Ca conc. in equilibrium with calcite

Started by MichaelZ20

6 Replies
733 Views
Last post December 17, 2019, 10:00:50 PM
by MichaelZ20
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
Difference between entry as mg/kgw and mg/Kgs

Started by ronald.bean@suez.com

1 Replies
1144 Views
Last post March 10, 2020, 05:15:00 AM
by dlparkhurst
difference between ionic forms

Started by Scarlet

5 Replies
1341 Views
Last post September 13, 2020, 07:16:02 PM
by dlparkhurst
Difference between Van't Hoff and analytical expression provided in LLNL.DAT

Started by Jeonghwan Hwang

2 Replies
718 Views
Last post February 01, 2021, 05:20:47 AM
by Jeonghwan Hwang
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
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
Dissolved CO2 in water analysis

Started by Charlie

2 Replies
3181 Views
Last post July 19, 2016, 11:51:35 AM
by Charlie
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
Distribution of Species Molality Question

Started by zackh

1 Replies
175 Views
Last post August 15, 2022, 07:24:22 PM
by dlparkhurst
DOC-

Started by m.gamrani

4 Replies
778 Views
Last post May 16, 2020, 07:35:16 PM
by m.gamrani
Doubt: Activity of water has not converged

Started by AnnaJulIQ

7 Replies
778 Views
Last post May 04, 2021, 04:57:43 AM
by dlparkhurst
Easy solution speciation plots

Started by Charlie

0 Replies
701 Views
Last post November 26, 2020, 09:43:25 AM
by Charlie
Eh-pH diagram for As

Started by Johnson@YSY

3 Replies
461 Views
Last post April 12, 2021, 04:34:19 PM
by dlparkhurst
Element name for RM_GetConcentrations

Started by Yongqiang

1 Replies
491 Views
Last post August 18, 2020, 05:05:01 PM
by Yongqiang
Element redox states

Started by Charlie

0 Replies
1890 Views
Last post March 13, 2014, 05:06:42 PM
by Charlie
Elements in species not tabulated or defined

Started by mbcomins

2 Replies
843 Views
Last post November 08, 2020, 09:21:41 PM
by mbcomins
Environment

Started by tianshiyu

1 Replies
650 Views
Last post October 14, 2019, 03:15:07 PM
by dlparkhurst
EQUI and EQUI_DELTA

Started by Zhaoyang

6 Replies
789 Views
Last post June 09, 2020, 08:59:42 PM
by Zhaoyang
Equilibrium

Started by Ash

3 Replies
1518 Views
Last post June 21, 2017, 06:35:28 AM
by Ash
equilibrium constant

Started by elham

4 Replies
1712 Views
Last post August 05, 2018, 02:32:32 PM
by elham
Equilibrium phases block

Started by rimsi

1 Replies
1344 Views
Last post July 31, 2017, 03:33:38 PM
by dlparkhurst
EQUILIBRIUM PHASES fixed pe/pH

Started by frenzy_geochem

3 Replies
1447 Views
Last post March 30, 2020, 12:32:37 PM
by frenzy_geochem
Error convergence modele

Started by m.gamrani

4 Replies
778 Views
Last post May 02, 2020, 04:59:29 PM
by m.gamrani
Error in a simple solution with Exchange site

Started by JW

3 Replies
826 Views
Last post April 07, 2020, 02:43:42 AM
by dlparkhurst
Error in Percent Error

Started by Messias

8 Replies
3277 Views
Last post February 05, 2016, 12:27:48 PM
by Messias
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
Errors with phrRunFile() IPHREEQC for R

Started by DH1234

2 Replies
1096 Views
Last post October 02, 2018, 08:42:58 AM
by DH1234
Estimating Eh using Phreeqc

Started by GCanciani

2 Replies
687 Views
Last post January 31, 2020, 10:26:36 AM
by GCanciani
Evaporating fluid while replenishing

Started by PieterBertier

3 Replies
1829 Views
Last post April 06, 2015, 10:42:52 PM
by dlparkhurst
Evaporation of high saline salt lake brine containing NO3; is that possible?

Started by Robert Asch

3 Replies
1159 Views
Last post December 28, 2018, 08:57:45 AM
by MichaelZ20
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
exception in "solubility increasses with increasing temperature"

Started by pia said

5 Replies
937 Views
Last post February 06, 2020, 02:32:01 PM
by pia said
EXCHANGE module and relation to sorption isotherms

Started by larsaste

4 Replies
332 Views
Last post April 01, 2022, 09:11:21 AM
by larsaste
Failing to converge SOLUTION keyword with water identifier

Started by smidera

2 Replies
248 Views
Last post May 31, 2022, 09:51:52 PM
by smidera
Fe 3+ Hydrolysis through various pH

Started by ajm1992

2 Replies
684 Views
Last post December 17, 2019, 03:27:20 AM
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
Fe(OH)3 amorphous

Started by atoumari

1 Replies
1184 Views
Last post July 21, 2017, 02:42:29 AM
by dlparkhurst
Fe(OH)3(a) IAP

Started by pia said

2 Replies
745 Views
Last post January 20, 2020, 08:03:41 PM
by pia said
Fe, Fe(+2), and Fe(+3)

Started by Pak

1 Replies
1890 Views
Last post May 29, 2015, 03:03:13 PM
by dlparkhurst
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
first steps

Started by INZILLO

17 Replies
219 Views
Last post February 01, 2023, 12:41:12 AM
by dlparkhurst
Fixed solution volume

Started by paznativ

2 Replies
696 Views
Last post August 29, 2019, 06:44:44 PM
by paznativ
Fixing pH with HNO3 (Nitric Acid)

Started by awillou4

5 Replies
2365 Views
Last post June 25, 2017, 01:09:58 AM
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
Fix_Ca

Started by Flopi

2 Replies
846 Views
Last post February 12, 2020, 04:51:36 PM
by Flopi
Gas phase mol increase

Started by dat

21 Replies
119 Views
Last post January 18, 2023, 04:49:29 AM
by dlparkhurst
Gas solubilities in liquid solutions

Started by micho_95

2 Replies
146 Views
Last post January 16, 2023, 09:50:21 PM
by micho_95
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
Geothermal solution modelling

Started by maria

9 Replies
124 Views
Last post January 30, 2023, 05:05:16 PM
by maria
get going guide

Started by Charlie

1 Replies
1485 Views
Last post June 20, 2017, 09:53:04 AM
by BrianH
Getting Started

Started by EMH121

1 Replies
2211 Views
Last post January 11, 2017, 04:17:22 AM
by dlparkhurst
Getting the Excel add on to work

Started by Waterwater

2 Replies
2679 Views
Last post September 09, 2014, 07:20:36 PM
by Waterwater
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
Gibbsite solubility curve

Started by woodS

2 Replies
791 Views
Last post December 17, 2019, 10:43:31 PM
by woodS
Good modeling practice

Started by Tom

1 Replies
1661 Views
Last post July 15, 2015, 11:52:33 PM
by dlparkhurst
GPU usage for IPhreeqc

Started by Wonwoo Yoon

3 Replies
61 Views
Last post January 26, 2023, 03:53:27 AM
by dlparkhurst
granite evolution in rainwater

Started by jaehong

5 Replies
1837 Views
Last post April 17, 2018, 01:50:54 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
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
Groundwater density

Started by toshiyukihokari

1 Replies
1429 Views
Last post December 28, 2015, 04:50:56 PM
by dlparkhurst
H2S(g) input

Started by webster66

1 Replies
1189 Views
Last post July 12, 2018, 12:50:07 AM
by dlparkhurst
H4SIO4 in llnl data

Started by m.gamrani

1 Replies
929 Views
Last post April 17, 2020, 09:41:13 PM
by dlparkhurst
Half-cell redox modeling

Started by cevans3098

1 Replies
1488 Views
Last post October 15, 2015, 09:28:07 PM
by cevans3098
HCO3- / CO3-2 distribution

Started by liakos

2 Replies
1152 Views
Last post November 20, 2020, 09:47:44 AM
by liakos
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
help finding solution pH

Started by Juicemode

4 Replies
1659 Views
Last post October 04, 2017, 01:29:03 PM
by Rasmus
help with Example 1

Started by Juicemode

8 Replies
1927 Views
Last post November 09, 2017, 10:13:12 PM
by Juicemode
high precision for total H and total O in output

Started by tatyana

2 Replies
1957 Views
Last post December 01, 2014, 12:28:25 PM
by tatyana
High pressure and temperature simulations

Started by Flopi

5 Replies
1521 Views
Last post August 10, 2018, 03:37:39 PM
by dlparkhurst
How to create a new ppi file

Started by Johnson@YSY

5 Replies
456 Views
Last post April 14, 2021, 03:51:42 AM
by dlparkhurst
how can I add both CO3 and HCO3 in phreeqc?

Started by maria

2 Replies
873 Views
Last post December 10, 2020, 08:43:41 PM
by maria
How do you obtain the explicit amount of precipitant from a modeled reaction?

Started by jlucas91

2 Replies
926 Views
Last post May 27, 2020, 06:49:45 PM
by jlucas91
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
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
How to add brine solution in PHREEQC

Started by maria

8 Replies
348 Views
Last post August 07, 2022, 10:58:30 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
how to calculate the max CO2 to be dissolved at high temperature and pressure

Started by maria

12 Replies
1162 Views
Last post February 05, 2021, 08:27:10 PM
by maria
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
How to correct degasing CO2 from Calcite saturation Index

Started by genIm

15 Replies
4043 Views
Last post October 08, 2020, 08:59:28 AM
by tOehler
How to covert html file into ppi file?

Started by Johnson@YSY

1 Replies
437 Views
Last post April 15, 2021, 09:01:47 AM
by Rasmus
How to download PhreePlot example ?

Started by Johnson@YSY

1 Replies
462 Views
Last post April 13, 2021, 04:07:31 PM
by dlparkhurst
How to enter the value of H2S in PHREEQC Interactive?

Started by Carla

2 Replies
2258 Views
Last post July 03, 2014, 03:18:20 PM
by Carla
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
How to fix with the WARINGs??

Started by yuqing

4 Replies
2082 Views
Last post May 30, 2016, 08:04:36 PM
by dlparkhurst
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
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
how to input POC concentration and specify how much dissolved/particulate metals

Started by chiko

2 Replies
573 Views
Last post March 05, 2021, 03:55:43 AM
by chiko
How to perform sequential equilibrations with Solution Spread

Started by peterwadeuk

2 Replies
559 Views
Last post February 24, 2021, 09:44:33 AM
by peterwadeuk
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
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
How to take an aliquout of a solution

Started by Tom

0 Replies
1561 Views
Last post April 26, 2014, 01:05:27 PM
by Tom
Hydrogen peroxide solution

Started by Tom

4 Replies
2607 Views
Last post September 03, 2014, 09:14:02 AM
by Tom
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
Importing Data From Excel?

Started by awillou4

2 Replies
2269 Views
Last post January 11, 2018, 06:47:47 PM
by awillou4
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
Injection well

Started by Hydroman

1 Replies
1281 Views
Last post November 13, 2017, 02:10:25 AM
by dlparkhurst
Input alkalinity and redox

Started by mlathouri

4 Replies
1076 Views
Last post June 06, 2019, 05:09:26 PM
by mlathouri
Input Definition for Ex-changer

Started by snjaykdubey

6 Replies
2499 Views
Last post December 17, 2020, 04:46:36 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
Input table for Speciation

Started by Rodgers45

1 Replies
2051 Views
Last post March 22, 2017, 08:00:59 PM
by dlparkhurst
Inputfile Si as SiO2

Started by Hydroman

4 Replies
1921 Views
Last post April 14, 2018, 12:17:39 AM
by dlparkhurst
Installing PHREEQC-COM and running PhreeqXcel

Started by djb14128

5 Replies
1526 Views
Last post October 19, 2019, 05:14:57 PM
by djb14128
INTERPRETATION OF RESULTS

Started by SofiaHerrera

1 Replies
564 Views
Last post June 11, 2021, 11:14:08 PM
by dlparkhurst
Introduce substances into solution

Started by AnnaJulIQ

1 Replies
529 Views
Last post June 17, 2021, 10:18:09 PM
by dlparkhurst
Ionic strength limits

Started by Charlie

3 Replies
1940 Views
Last post September 12, 2018, 12:22:34 PM
by Pak
IPHREEQC (Specific Heat Capacity & Viscosity)

Started by djb14128

4 Replies
785 Views
Last post January 08, 2020, 05:09:16 PM
by djb14128
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