Table 6.

Toxicity of HL, metal salts, and newly created complexes on Daphnia magna.

Compound	Incubation Period
	1 d	2 d	d1	2 d	1 d	2 d
	LC50 (µM)		Goodness of Fit (r2)		CI 95% of LC50 (µM)
HL	53.09	52.60	0.9918	0.9849	ND*	ND*
(Cu(L)(CH3COO)).2H2O	69.59	13.09	0.9021	0.9389	44.11–109.8	8.89–19.26
(Cu(L)(NO3)).H2O	316.90	5.61	0.7842	0.8742	2.19–2.81	0.51–0.98
(Cu(L)(ClO4)).H2O	ND*	ND*	ND*	ND*	ND**	ND*
(Cu(L)(Cl)).2H2O	393.8	69.53	0.9966	0.8159	374.4–414.2	33.96–142.4
(Co(L)2)	278.2	2.38	0.8655	0.9145	166.4–465.4	158.4–265.8
(Zn(L)2)	33.91	0.84	0.9452	0.7553	23.27–49.4	0.33–2.12
(Ni(L)(Cl))	350.8	209.7	0.9935	0.9315	320.6–383.8	149.6–294.1
(Pt(L)(Cl))	468.60	78.19	0.9490	0.9546	400.6–548.3	57.44–106.5
Cu(CH3COO)2	9.86	0.44	0.9980	ND*	ND**	ND**
CuCl2	4.23	0.97	0.9890	0.9302	3.709–4.815	ND**
Cu(NO3)2	7.43	1.39	0.9586	0.9446	6.04–915	1.08–1.78
Cu(ClO4)2	0.39	0.31	0.9777	0.9794	2.34–3.76	0.99–1.22
CoCl2	205.20	31.37	0.9717	0.876	158.4–265.8	17.06–57.7
ZnCl2	15.39	0.89	0.9190	0.9691	9.42–25.15	0.79–1.02
NiCl2	100	16.25	0.9827	0.9624	98.31–101.7	11.86–22.27
K2PtCl4	27.70	5.63	0.9918	0.9364	21.86–35.11	3.953–8.012

ND*—not detected since the largest L% is 10% following 1 d and 35% following 2 d, respectively; ND**—not detected because of CI 95% is really wide.