Table 2.

Average percent Zn(II) uptake and standard errors for “pH dropped” samples

	Average (% uptake)	Standard error
No salt	39.1%	3.14%
0.1 M Cl −	28.1%	0.96%
0.4 M Cl −	36.7%	0.47%
0.6 M Cl −	63.2%	0.73%