# Chemical Speciation of Antarctic Atmospheric Depositions
## 3 Results
### Concentrations of the Main Components of Atmospheric Deposition Samples
\begin{table}
\begin{tabular}{c c c c} \hline \hline \multicolumn{4}{c}{**Formation Constants**} \\ \hline
**Species** & **log\(K\)****a** & **log\(\beta\)****b** & **Ref.** & **log\(K\)****log\(\beta\)****** \\ \hline \multicolumn{4}{c}{**Original Values**} & \multicolumn{3}{c}{**Values Estimated by the Application of**} \\  & & & **EDH Equation** [16] \\ \hline \multicolumn{4}{c}{\(I=0.15\) mol L\({}^{-1}\), KCl, \(t=25\)\({}^{\circ}\)C} \\ \multicolumn{4}{c}{\([\)CaH\({}_{2}\)PO\({}_{4}]\)\({}^{*}\)} & 1.41 & 1.86 & 21.41 \\ CaHPO\({}_{4}\) & 2.74 & 3.65 & 16.00 \\ \([\)CaPO\({}_{4}]\)\({}^{-}\) & 6.46 & 6.46 & 7.83 \\  & \(I=0.2\) mol L\({}^{-1}\), NE\({}_{4}\)I, \(t=25\)\({}^{\circ}\)C & & \(I=0\) mol L\({}^{-1}\), \(t=25\)\({}^{\circ}\)C \\ MgHPO\({}_{4}\) & 2.41 & 2.63 & 14.98 \\  & \(I=0.1\) mol L\({}^{-1}\), NE\({}_{4}\)I, \(t=25\)\({}^{\circ}\)C & & \(I=0\) mol L\({}^{-1}\), \(t=25\)\({}^{\circ}\)C \\ CuHPO\({}_{4}\) & 14.93 & 16.52 \\  & \(I=0.2\) mol L\({}^{-1}\), NE\({}_{4}\)I, \(t=25\)\({}^{\circ}\)C & & \(I=0\) mol L\({}^{-1}\), \(t=25\)\({}^{\circ}\)C \\ MnHPO\({}_{4}\) & 2.58 & 3.89 & 16.24 \\  & \(I=0.1\) mol L\({}^{-1}\), NaNO\({}_{3}\), \(t=25\)\({}^{\circ}\)C & & \(I=0\) mol L\({}^{-1}\), \(t=25\)\({}^{\circ}\)C \\ ZrHPO\({}_{4}\) & 2.4 & 15.56 \\  & \(I=0.1\) mol L\({}^{-1}\), NaClO\({}_{4}\), \(t=25\)\({}^{\circ}\)C & & \(I=0\) mol L\({}^{-1}\), \(t=25\)\({}^{\circ}\)C \\ \([\)FeH\({}_{2}\)PO\({}_{4}]\)\({}^{*}\) & 3.47 & 2.42 \\ \([\)FeHPO\({}_{4}]\)\({}^{*}\) & 6.17 & 6.11 \\  & \(I=0.0\) mol L\({}^{-1}\), NE\({}_{4}\)I, \(t=25\)\({}^{\circ}\)C & \\ \([\)NaSO\({}_{4}]\)\({}^{-}\) & 0.65 & 0.65 \\ \([\)KSO\({}_{4}]\)\({}^{-}\) & 0.75 & 0.75 \\ CaSO\({}_{4}\) & 2.43 & 2.43 \\ MgSO\({}_{4}\) & 2.23 & 2.23 \\ CuSO\({}_{4}\) & 2.26 & 2.26 \\ MnSO\({}_{4}\) & 2.86 & 2.86 \\ ZnSO\({}_{4}\) & 2.49 & 2.49 \\ \([\)FeSO\({}_{4}]\)\({}^{*}\) & 4.27 & 4.27 \\ \([\)Fe(SO\({}_{4})]\)\({}^{-}\) & 6.11 & 6.11 \\  & \(I=0.0\) mol L\({}^{-1}\), NE\({}_{4}\)I, \(t=25\)\({}^{\circ}\)C & \\ Na(ac) \({}^{\rm d}\) & \(-0.11\) & \(-0.11\) \\ K(ac) & \(-0.27\) & \(-0.27\) \\ \([\)Ca(ac)\(]\)\({}^{*}\) & 1.12 & 1.12 \\ \([\)Mg(ac)\(]\)\({}^{+}\) & 0.91 & 0.91 \\  & \(I=0.1\) mol L\({}^{-1}\), NaClO\({}_{4}\), \(t=25\)\({}^{\circ}\)C & \\ \([\)Cu(ac)\(]\)\({}^{+}\) & 1.78 & 1.78 \\ Cu(ac)\({}_{2}\) & 1.02 & 2.80 \\ \([\)\(\)\(I=0.1\) mol L\({}^{-1}\), KCl, \(t=25\)\({}^{\circ}\)C & \\ \([\)Mn(ac)\(]\)\({}^{+}\) & 0.80 & 0.80 \\  & \(I=0.1\) mol L\({}^{-1}\), KNO\({}_{3}\), \(t=25\)\({}^{\circ}\)C & \\ \([\)Zn(ac)\(]\)\({}^{+}\) & 1.11 & 1.11 \\ \([\)Fe(ac)\(]\)\({}^{+}\) & 1 = 0.0 mol L\({}^{-1}\), NaClO\({}_{4}\), \(t=25\)\({}^{\circ}\)C & \\ \([\)Fe(ac)\(]\)\({}^{2+}\) & 4.07 & 4.07 \\ \([\)Fe(ac)\(]\)\({}^{+}\) & 8.81 & 11.37 \\ \([\)Fe(sO)\({}_{3}\)(ac)\(]\)\({}^{3+}\) & 11.37 \\  & \(I=0.03\) mol L\({}^{-1}\), NaCl, \(t=25\)\({}^{\circ}\)C & \\ \([\)Ca(for)\(]\)\({}^{+}\) & 0.75 & 0.75 \\ \([\)Mg(for)\(]\)\({}^{+}\) & 0.75 & 0.75 \\ \([\)Mg(for)\(]\)\({}^{+}\) & 0.75 & 0.75 \\ \([\)I=0.1 mol L\({}^{-1}\), NaNO\({}_{3}\), \(t=25\)\({}^{\circ}\)C & & \\ \([\)Cu(for)\(]\)\({}^{+}\) & 1.58 & 1.58 \\  & \(I=0.1\) mol L\({}^{-1}\), KNO\({}_{3}\), \(t=25\)\({}^{\circ}\)C & & \\ \([\)Zn(for)\(]\)\({}^{+}\) & 1.07 & 1.07 \\  & \(I=0.0\) mol L\({}^{-1}\), \(t=25\)\({}^{\circ}\)C & & \\ \([\)Fe(for)\(]\)\({}^{2+}\) & 3.1 & 3.1 \\ \hline \end{tabular}  
* \({}^{\rm a}\) log\(K\) values refer to the general reaction: pM\({}^{m+}\) + qH\({}_{4}\)L\({}^{-t}\)\(\coloneqq\) \([\)Mg\({}_{4}\)H\({}_{2}\)Pr\({}^{m+m-}\), with z = charge of the fully deprotonated ligand; for hydrolytic species the reaction is: pM\({}^{m+}\) + qOH\({}^{-}\) \(\coloneqq\) \([\)Mg\({}_{4}\)(OH)\({}_{4}\)Pr\({}^{m-q}\); \({}^{b}\) log values refer to the general reaction: pM\({}^{m+}\) + qL\({}^{-}\) \(\coloneqq\) \([\)Mg\({}_{4}\)Pr\({}^{m+m-}\); for hydrolytic species the reaction is: pM\({}^{m+}\) + qH\({}_{2}\)O \(\coloneqq\) \([\)Mg\({}_{p}\)(OH)\({}_{q}\)(PP\({}^{m-q}\) + qH\({}^{+}\); \({}^{c}\) NE\({}_{4}\)I tetraethylammonium iodide; \({}^{d}\) ac: acetate; \({}^{e}\) for: formate.  
\end{table}