SLIDE 1
Lecture #39 Precipitation and Dissolution: Metal Carbonates
(Stumm & Morgan, Chapt.7)
Benjamin; Chapter 8.7-8.15
David Reckhow CEE 680 #39 1
Updated: 5 April 2020
Me-Carbonate Equilibria
From Pankow
David Reckhow CEE 680 #39 2
Print version Updated: 5 April 2020 Lecture #39 Precipitation and - - PowerPoint PPT Presentation
Print version Updated: 5 April 2020 Lecture #39 Precipitation and - - PowerPoint PPT Presentation
Print version Updated: 5 April 2020 Lecture #39 Precipitation and Dissolution: Metal Carbonates (Stumm & Morgan, Chapt.7) Benjamin; Chapter 8.7-8.15 David Reckhow CEE 680 #39 1 Me-Carbonate Equilibria From Pankow David Reckhow
SLIDE 2
SLIDE 3
David Reckhow CEE 680 #38 3
pH
1 2 3 4 5 6 7 8 9 10 11 12 13 14
Log C
- 14
- 13
- 12
- 11
- 10
- 9
- 8
- 7
- 6
- 5
- 4
- 3
- 2
- 1
OH-
Ca+2 H2CO3
*
CO3
- 2
HCO3
- H+
Calcium Carbonate
SLIDE 4
Other Me-Carbonates I
David Reckhow CEE 680 #39 4
Stumm & Morgan, 1996, Figure 7.9, pg. 377
Pure water
SLIDE 5
Other Me-carbonates II
Closed System with
constant CT derived from other species
3x10-3 M
David Reckhow CEE 680 #39 5
Stumm & Morgan, 1996, Figure 7.8, pg. 374
SLIDE 6
Calcium Carbonate
Closed
System
Including
hydroxide species
From
Pankow
David Reckhow CEE 680 #39 6
SLIDE 7
Strontium Carbonate
Closed
System
Including
hydroxide species
From
Pankow
David Reckhow CEE 680 #39 7
SLIDE 8
Manganous Carbonate
Closed
System
Including
hydroxide species
From
Pankow
David Reckhow CEE 680 #39 8
SLIDE 9
Ferrous Carbonate
David Reckhow CEE 680 #39 9
Closed
System
Including
hydroxide species
From Pankow
SLIDE 10
To next lecture
David Reckhow CEE 680 #39 10