Table 1.

Actual concentrations of Ag NPs and TiO₂ NPs in suspension at 0 and 24 h. For each dilution step, total concentration (NP_total), dissolved ion concentration (NP_ion) at 0 h, and total concentration (NP_total) at 24 h are displayed for each NP tested.

Particles	Dilution	NPtotal Concentration 0 h (mg/L)	NPion Concentration 0 h (mg/L)	NPtotal Concentration 24 h (mg/L)
Ag nanospheres PVP coated	1	17.20	0.83	2.28
	2	11.40	0.17	2.04
	10	3.50	≤ 0.016	0.62
Ag nanoplates PVP coated	30	14.00	1.50	9.35
	100	0.06	≤ 0.016	0.02
	3000	≤ 0.016	≤ 0.016	0.09
Ag elongated nanorods	30	328.00	0.22	4.30
	100	1.21	0.028	0.10
	3000	0.41	0.028	0.19
TiO2 nanoplates	1	22.7	-	0.10
	10	2.17	-	0.09
	100	0.28	-	0.05
TiO2 nanobipyramids	1	20.7	-	0.08
	10	0.70	-	0.15
	100	0.18	-	0.08
TiO2 nanospheres	1	50.9	-	0.20
	10	-	-	-
	100	-	-	-