Table 1. Acidic Decomplexation Study of Cu(II) Complexes.

	% of the intact Cu(II) complex
time (h)	Cu-MM-TE2A	Cu-DM-TE2A	Cu-TE2A	Cu-ECB-TE2A
0	100	100	100	100
0.5	56.3		9.7
1	35.8		0.6	54.9
2	13.1	61.9		35.6
3	6.1			23.8
4	2.7	32.2		15.2
6		18.2		6.5
8		9.1		2.9
10		5.1
12		2.5
14		1.6