Quantitative Detection of Zinc Oxide Nanoparticle in Environmental Water by Cloud Point Extraction Combined ICP-MS

Table 3

Characterization of collecting water samples.

Components	Tap water (our own lab) (mg/L)	River water (Liuyang) (mg/L)	Lake water (Nan Lake) (mg/L)	Effluents (Changsha) (mg/L)
K^+	1.30	2.00	2.50	1.30
Na^+	1.10	2.60	1.50	2.10
Ca^2+	0.50	3.50	7.70	17.40
Mg^2+	0.80	5.20	2.40	3.30
Fe^2+	0.04	0.09	0.12	5.27
Mn^2+	0.058	0.010	0.082	0.90
Cl^-	3.70	2.70	5.30	41.50
NO3^-	0.30	1.30	2.10	21.20
SO4^2-	0.70	2.00	0.40	33.70
pH	7.20	7.70	6.40	6.30