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 CEE 680 #39 2

0 OH - Calcium -1 - HCO 3 Ca+2 -2 Carbonate -3 H+ -4 -5 -6 Log C -7 -2 CO 3 * H 2 CO 3 -8 -9 -10 -11 -12 -13 -14 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 pH David Reckhow CEE 680 #38 3

Other Me-Carbonates I  Pure water Stumm & Morgan, 1996, Figure 7.9, pg. 377 David Reckhow CEE 680 #39 4

Other Me-carbonates II  Closed System with constant C T derived from other species  3x10 -3 M Stumm & Morgan, 1996, Figure 7.8, pg. 374 David Reckhow CEE 680 #39 5

Calcium Carbonate  Closed System  Including hydroxide species  From Pankow David Reckhow CEE 680 #39 6

Strontium Carbonate  Closed System  Including hydroxide species  From Pankow David Reckhow CEE 680 #39 7

Manganous Carbonate  Closed System  Including hydroxide species  From Pankow David Reckhow CEE 680 #39 8

Ferrous Carbonate  Closed System  Including hydroxide species  From Pankow David Reckhow CEE 680 #39 9

 To next lecture David Reckhow CEE 680 #39 10