Me Carbonate Equilibria From Pankow David Reckhow CEE 680 #39 2 - PDF document

CEE 680 Lecture #39 4/6/2020 Print version Updated: 6 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 1

CEE 680 Lecture #39 4/6/2020 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 2

CEE 680 Lecture #39 4/6/2020 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 3

CEE 680 Lecture #39 4/6/2020 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 4

CEE 680 Lecture #39 4/6/2020 Ferrous Carbonate  Closed System  Including hydroxide species  From Pankow David Reckhow CEE 680 #39 9  To next lecture David Reckhow CEE 680 #39 10 5