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Subject / Started by Replies / Views Last post
Surface complexciation

Started by Anvj0705

1 Replies
195 Views
Last post 12/06/25 16:42
by dlparkhurst
Are my Sorption Sites filled?

Started by bkazamel

3 Replies
1894 Views
Last post 05/06/25 14:04
by dlparkhurst
Is it possible to modify the CD-MUSIC model and use it as the Basic Stern Model?

Started by igergian

5 Replies
5548 Views
Last post 05/06/25 10:19
by Sen
Amount of water in the Diffuse Double Layer of WHAM organics?

Started by peterwadeuk

3 Replies
1908 Views
Last post 05/06/25 09:01
by Sen
Why are the results obtained by changing the pH of my CD-MUSIC almost the same?

Started by yisongxu

4 Replies
533 Views
Last post 06/05/25 08:23
by yisongxu
Assistance with Defining SURFACE Keyword Datablock for TLM in PHREEQC

Started by Sen

1 Replies
259 Views
Last post 28/04/25 15:30
by dlparkhurst
Help converting Langmuir constants

Started by A.Schneidt

3 Replies
337 Views
Last post 21/04/25 23:59
by dlparkhurst
Questions regarding the use of the CD-MUSIC model

Started by yisongxu

2 Replies
294 Views
Last post 19/04/25 02:45
by yisongxu
How to build a CD-MUSIC model

Started by yisongxu

2 Replies
452 Views
Last post 16/04/25 09:02
by yisongxu
pH charge balance during transport with different surface amounts

Started by Tim

2 Replies
397 Views
Last post 29/03/25 15:46
by dlparkhurst
Surface complexion with zwitterionic Amino acids

Started by A.Schneidt

5 Replies
503 Views
Last post 26/03/25 15:06
by dlparkhurst
Query Regarding Unexpected Results in Colloidal Fe and As Simulation

Started by Sen

1 Replies
909 Views
Last post 15/12/24 18:36
by dlparkhurst
Is there a way to get EDL_Species for specific species in the diffuse layer

Started by KHeppner

2 Replies
995 Views
Last post 22/10/24 22:00
by KHeppner
Queation about EXCHANGE_MODIFY

Started by Jeonghwan Hwang

1 Replies
1150 Views
Last post 10/07/24 17:32
by dlparkhurst
Use before the definition in RATES block

Started by Orange

0 Replies
948 Views
Last post 31/05/24 15:59
by Orange
Question for using Fix_H+

Started by Jeonghwan Hwang

1 Replies
891 Views
Last post 17/05/24 17:03
by dlparkhurst
How to change the pH of Surface problem with mixing by steps from5 to 11

Started by MACAHarding

1 Replies
1123 Views
Last post 20/03/24 22:55
by dlparkhurst
Derivation of SURFACE parameters for organic carbon in an agricultural soil

Started by peterwadeuk

1 Replies
1338 Views
Last post 18/01/24 17:39
by dlparkhurst
SURFACE and KINETICS Keywords

Started by Rozeran

1 Replies
1204 Views
Last post 17/12/23 22:03
by dlparkhurst
Surface Complexation with gas

Started by dat

5 Replies
1408 Views
Last post 23/11/23 15:52
by dlparkhurst
The capacitance value of CD-MUSIC in the “Equilibrium phases”

Started by Joe

2 Replies
1512 Views
Last post 24/07/23 18:20
by Joe
Ion exchange model

Started by Emile

2 Replies
1509 Views
Last post 08/06/23 16:39
by Emile
Converging error about cation exchange and surface complexation coupling model

Started by Jeonghwan Hwang

7 Replies
2454 Views
Last post 07/03/23 21:10
by dlparkhurst
Three components with surface complexation

Started by dat

1 Replies
1362 Views
Last post 03/03/23 15:09
by dlparkhurst
Modeling linear sorption using phreeqc

Started by taa18

2 Replies
1372 Views
Last post 16/02/23 16:34
by taa18
titration of clay minerals

Started by nvgroeni

3 Replies
3060 Views
Last post 02/02/23 04:20
by dlparkhurst
rate for surface complexation

Started by hamiderfani

8 Replies
3248 Views
Last post 08/12/22 10:56
by dlparkhurst
How to solve ''Reaction for species has not been defined''?

Started by Jin Lai

5 Replies
2345 Views
Last post 02/12/22 09:04
by Jin Lai
Surface complexation model_Effect of dosage on uranium removal

Started by Francis Adu

2 Replies
1504 Views
Last post 30/11/22 15:23
by Francis Adu
How to solve "Elements in species have not been tabulated"?

Started by Jeonghwan Hwang

5 Replies
4191 Views
Last post 21/10/22 15:32
by dlparkhurst
surface complexation

Started by Francis Adu

4 Replies
2088 Views
Last post 08/10/22 11:12
by Francis Adu
surface complexation

Started by amaury22

3 Replies
1557 Views
Last post 28/09/22 00:49
by dlparkhurst
SOLUTION_SPREAD not functioning well in my example

Started by amaury22

6 Replies
1835 Views
Last post 27/09/22 14:06
by amaury22
PEST-PHREEQC Parameter Optimization

Started by Francis Adu

2 Replies
1894 Views
Last post 08/09/22 19:21
by Francis Adu
Question about Saturation Index

Started by Jeonghwan Hwang

4 Replies
2457 Views
Last post 10/08/22 01:06
by Jeonghwan Hwang
Uranium Adsorption Modelling

Started by Francis Adu

0 Replies
1403 Views
Last post 08/07/22 15:14
by Francis Adu
surface complex reaction

Started by Nlesani75

1 Replies
1622 Views
Last post 06/04/22 14:19
by dlparkhurst
Number of strong and weak adsorption centers

Started by Dejavu

2 Replies
2068 Views
Last post 08/12/21 10:46
by Dejavu
Hfo_CB error when using Hfo (ferrihydrite)

Started by DeanWalmsley

2 Replies
2042 Views
Last post 19/05/21 15:55
by dlparkhurst
Problem while coupling surface complexation and SIT

Started by mbrandely

5 Replies
2482 Views
Last post 11/05/21 07:55
by mbrandely
Water transport and evaporation

Started by FlouretAlex

2 Replies
1889 Views
Last post 19/03/21 18:29
by FlouretAlex
Estimating soil water solution

Started by FlouretAlex

6 Replies
3414 Views
Last post 27/12/20 09:31
by FlouretAlex
Equilibrating identical surfaces with different solutions

Started by aleoconn

2 Replies
1645 Views
Last post 23/12/20 18:46
by aleoconn
Difference between -equilibrate and USE

Started by FlouretAlex

2 Replies
1847 Views
Last post 17/12/20 09:27
by FlouretAlex
Selected_output

Started by rrahimi

3 Replies
1914 Views
Last post 19/11/20 16:09
by dlparkhurst
A question about SURFACE_MASTER_SPECIES

Started by omarchaabi

1 Replies
1976 Views
Last post 04/10/20 16:37
by dlparkhurst
Gibbsite Surface Complexation

Started by bschroth

0 Replies
1698 Views
Last post 03/09/20 17:04
by bschroth
Surface complexation modeling of silica particles

Started by rrahimi

5 Replies
2451 Views
Last post 02/08/20 21:21
by dlparkhurst
SCM with CD-MUSIC in carbonate suface

Started by Nlesani75

3 Replies
2275 Views
Last post 19/07/20 16:28
by dlparkhurst
Metal adsorption onto certain oxide surface using cd music

Started by zye4

14 Replies
3597 Views
Last post 03/07/20 00:04
by Carlos Gallardo
Arsenic and Copper sorption by Kaolinite

Started by Carlos Gallardo

2 Replies
2113 Views
Last post 02/07/20 16:18
by Carlos Gallardo
Define oil in phreeqc

Started by Ala__h

1 Replies
1926 Views
Last post 27/03/20 00:03
by dlparkhurst
Is there a way to PUNCH donnan potential (psi_DL) or Boltzmann factor?

Started by md.muniruzzaman

2 Replies
2320 Views
Last post 26/03/20 16:24
by md.muniruzzaman
About the exchange_species error

Started by Jeonghwan Hwang

2 Replies
2626 Views
Last post 18/03/20 01:03
by Jeonghwan Hwang
Question about setting Exchange Master Species?

Started by Jeonghwan Hwang

4 Replies
2261 Views
Last post 17/02/20 00:18
by Jeonghwan Hwang
Modeling the change of Aluminium in mine water

Started by rudolff16

3 Replies
2125 Views
Last post 04/02/20 00:53
by dlparkhurst
Desorption model

Started by Laknesh

3 Replies
1984 Views
Last post 03/02/20 09:27
by Laknesh
Question about competition

Started by HFlower

3 Replies
2201 Views
Last post 21/01/20 16:53
by John Mahoney
Surface Complexation and Arsenic Adsorption

Started by Pesquerj

2 Replies
2815 Views
Last post 16/01/20 00:08
by dlparkhurst
What is the unit of EXCHANGE in Cation exchange model?

Started by Jeonghwan Hwang

1 Replies
1980 Views
Last post 10/01/20 15:45
by dlparkhurst
I confuse with cation exchange and surface complexation model

Started by Jeonghwan Hwang

2 Replies
2318 Views
Last post 13/11/19 01:06
by Jeonghwan Hwang
Do you want to use Tipping's humic-ion binding Model VII ? (or the CCM)

Started by remi_marsac

1 Replies
2448 Views
Last post 08/10/19 11:32
by Pak
Moly sorption

Started by kristengault

2 Replies
2743 Views
Last post 04/09/19 22:39
by sorsbys
SURFACE Code Block - units of input

Started by sorsbys

2 Replies
2420 Views
Last post 02/08/19 19:50
by sorsbys
SURFACE parameters for soil humic acids normalised to pore water volume

Started by peterwadeuk

0 Replies
1889 Views
Last post 13/06/19 14:28
by peterwadeuk
WHAM humic acid model with sodium?

Started by peterwadeuk

0 Replies
1883 Views
Last post 13/06/19 12:05
by peterwadeuk
Creating a surface

Started by Charlie

7 Replies
4586 Views
Last post 11/06/19 01:19
by Oubai
Acid on exchanger in T&H database

Started by peterwadeuk

2 Replies
2346 Views
Last post 12/03/19 18:38
by Pak
Question about the -equilibrate command

Started by Pak

5 Replies
3226 Views
Last post 09/11/18 10:11
by Pak
Can't calculate the surface complexation

Started by Yongqiang

5 Replies
2944 Views
Last post 03/11/18 02:48
by Yongqiang
Should I keep the pH constant!!

Started by Tamirian

3 Replies
2334 Views
Last post 19/10/18 23:51
by dlparkhurst
Accounting for dissolution of pre-equilibrated SURFACE

Started by bschroth

1 Replies
2158 Views
Last post 18/09/18 02:35
by dlparkhurst
Varying solid concentration for titration data

Started by nvgroeni

2 Replies
2501 Views
Last post 24/08/18 17:41
by John Mahoney
Apply different methods (no_edl, diffuse_layer, cd_music) in one calculation?

Started by Pak

6 Replies
3686 Views
Last post 13/07/18 08:04
by Pak
Transport model in PHAST with contaminant sorption

Started by daliagrig

3 Replies
2439 Views
Last post 10/06/18 21:51
by dlparkhurst
2Goe?

Started by tizzi27

1 Replies
2135 Views
Last post 28/05/18 17:05
by dlparkhurst
Sorption on soil particulate organic matter - revisited

Started by peterwadeuk

0 Replies
2071 Views
Last post 04/05/18 17:04
by peterwadeuk
Call Phreeqc in PEST parameter estimation

Started by Yongqiang

2 Replies
3020 Views
Last post 16/03/18 15:15
by Yongqiang
Can't output the surface potential correctly

Started by Yongqiang

2 Replies
2447 Views
Last post 13/03/18 04:10
by Yongqiang
Different surfaces gives the same zeta potential!!!

Started by Tamirian

1 Replies
2329 Views
Last post 07/03/18 15:47
by dlparkhurst
Using the results of the first simulation for the second one

Started by Tamirian

3 Replies
2702 Views
Last post 23/02/18 03:37
by dlparkhurst
Charting problems for SCM surface potential

Started by Yongqiang

2 Replies
2623 Views
Last post 19/02/18 00:35
by Yongqiang
Creating a new surface (kaolinite)

Started by Tamirian

2 Replies
2557 Views
Last post 06/02/18 00:45
by Tamirian
Surface composition in Output

Started by guobingbing212

2 Replies
3055 Views
Last post 01/02/18 04:10
by guobingbing212
EDL diffusion model - distribution of electric potential

Started by ANar

1 Replies
2163 Views
Last post 25/01/18 15:25
by dlparkhurst
Is it possible to model zeta potential independent of ionic strength

Started by Laknesh

2 Replies
2606 Views
Last post 18/01/18 01:20
by Laknesh
Cation Binding Saturating Strong Sites

Started by awillou4

2 Replies
2503 Views
Last post 22/12/17 21:50
by dlparkhurst
Creating Model Curve to Match Isotherm Points

Started by awillou4

2 Replies
2632 Views
Last post 22/12/17 20:11
by awillou4
Basic Stern Model in PHREEQC

Started by nickjones

2 Replies
3027 Views
Last post 30/11/17 12:43
by nickjones
Questions about HFO titration

Started by waynehwm

4 Replies
3022 Views
Last post 09/11/17 15:19
by waynehwm
Phreeqc + Pest data fitting problem

Started by waynehwm

5 Replies
4651 Views
Last post 06/11/17 18:45
by waynehwm
V(3) Doesn't Appear to Speciate

Started by awillou4

4 Replies
3118 Views
Last post 02/10/17 17:59
by awillou4
Mass Action Expressions for Bidentate Adsorption in Surface Complexation Modelin

Started by Charlie

0 Replies
2131 Views
Last post 17/08/17 14:49
by Charlie
Interaction of two surface

Started by Laknesh

0 Replies
2226 Views
Last post 16/08/17 10:08
by Laknesh
Failed to calculate when water inputted in solution is unsuitable

Started by guobingbing212

2 Replies
3180 Views
Last post 05/08/17 04:00
by guobingbing212
Surface complex HFo and Sorption

Started by rfembilejr

2 Replies
2860 Views
Last post 22/07/17 11:44
by rfembilejr
Surface Complexation Calculation

Started by cmcneece

1 Replies
3339 Views
Last post 21/03/17 18:56
by dlparkhurst
punching the title

Started by Luca Peruzzo

3 Replies
2695 Views
Last post 10/03/17 15:04
by dlparkhurst
Sorption on soil particulate organic matter

Started by peterwadeuk

4 Replies
3269 Views
Last post 27/02/17 19:29
by peterwadeuk
questions on equilibrate vs USE function

Started by Mark Himenz

1 Replies
2968 Views
Last post 24/01/17 19:25
by dlparkhurst
problem with strong and weak sites

Started by somonka1

2 Replies
3571 Views
Last post 14/12/16 14:01
by somonka1
Mineral surface area in KINETIC and SURFACE

Started by janethalina

1 Replies
2642 Views
Last post 28/11/16 16:24
by dlparkhurst
unit for total no. of surface sites

Started by padhi

6 Replies
4480 Views
Last post 27/10/16 15:46
by dlparkhurst
Can we replace Hfo : Hydrous Ferrous oxide surface with other mineral surface.?

Started by snjaykdubey

8 Replies
6341 Views
Last post 15/10/16 22:00
by dlparkhurst
normalization of binding site constants in PhreeqC at different site densities

Started by SlippinJimmy

2 Replies
3436 Views
Last post 23/09/16 17:36
by SlippinJimmy
Complexation between Cr6+ and surface functional group

Started by ili

2 Replies
2959 Views
Last post 14/09/16 09:58
by Charlie
model for sorption of protons on clay minerals

Started by nvgroeni

1 Replies
2822 Views
Last post 20/07/16 16:07
by dlparkhurst
Parameter Optimization Driver

Started by JRen

1 Replies
2836 Views
Last post 19/07/16 02:29
by dlparkhurst
Surface Complexation Model and Diffuse Layer Thickness

Started by JRen

1 Replies
2825 Views
Last post 17/07/16 23:51
by dlparkhurst
High ionic strength surface complexation model

Started by JRen

1 Replies
2701 Views
Last post 28/06/16 03:36
by dlparkhurst
defining SURFACE_SPECIES

Started by eeftekhari

2 Replies
2976 Views
Last post 11/06/16 07:57
by eeftekhari
Surface Complexation Leaching Question

Started by JRen

1 Replies
3219 Views
Last post 07/06/16 19:38
by dlparkhurst
understanding surface in phreeqc

Started by tsnmaster

3 Replies
3578 Views
Last post 09/05/16 17:34
by dlparkhurst
Surface complexation

Started by tsnmaster

4 Replies
3715 Views
Last post 15/04/16 21:48
by dlparkhurst
Definition of surface with fixed partition coefficient Kd

Started by llanduyt

2 Replies
3829 Views
Last post 06/04/16 16:33
by llanduyt
Arsenic Sorption error

Started by tsnmaster

2 Replies
3666 Views
Last post 01/12/15 02:25
by tsnmaster
Silica sorption modeling

Started by Jicé

0 Replies
2658 Views
Last post 01/10/15 14:12
by Jicé
Sorption on goethite or ferrihydrite?

Started by Max1

3 Replies
3765 Views
Last post 10/09/15 14:36
by dlparkhurst
Is the Surface Complexation Modules can fit the batch experiment date?

Started by weird

3 Replies
3875 Views
Last post 03/07/15 12:43
by Charlie
Complexation basics

Started by steven

1 Replies
2844 Views
Last post 16/06/15 20:21
by dlparkhurst
Useful resource for sorption and surface complexation data

Started by Charlie

3 Replies
3972 Views
Last post 08/05/15 11:19
by snjaykdubey
Sorption and precipitation

Started by Annr

2 Replies
3667 Views
Last post 08/09/14 17:39
by Annr
SURFACE input: number vs concentration of sites

Started by kbelli3

3 Replies
3818 Views
Last post 12/08/14 21:32
by dlparkhurst
Mole balance and saturation concentrations

Started by Charlie

4 Replies
4134 Views
Last post 14/07/14 17:23
by Charlie
Repulsion between surface complexes?

Started by Charlie

1 Replies
3093 Views
Last post 09/04/14 04:10
by dlparkhurst
Review paper of mass action expressions

Started by Charlie

1 Replies
3711 Views
Last post 19/03/14 10:06
by Charlie
Surface precipitation?

Started by Charlie

0 Replies
3308 Views
Last post 19/03/14 10:04
by Charlie
SURFACE parameters

Started by Charlie

0 Replies
3881 Views
Last post 19/03/14 09:49
by Charlie
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