Validation data for the determination of perchlorate in water using ion chromatography with suppressed conductivity detection

Environmental Sciences Europe

Table 4 Perchlorate contents in real samples

Sample	Matrix	Perchlorate (µg/L)	Matrix ions
Sample	Matrix	Perchlorate (µg/L)	Chloride (mg/L)	Nitrate (mg/L)	Sulphate (mg/L)
1	Raw water	<LOD	11	0.09	48
2	Raw water	1.6	130	27	64
3	Raw water, spiked	0.93 ± 0.44	24	200	46
4	Raw water	1.7	59	150	240
5	Raw water	<LOD	140	<0.01	46
6	Raw water, spiked	0.58 ± 0.28	56	41	77
7	Drinking water	<LOD	45	3.0	59
8	Drinking water	<LOD	32	3.1	77
9	Drinking water	3.4	60	24	140
10	Drinking water	<LOD	22	6.4	17
11	Drinking water	<LOD	33	2.8	74
12	Drinking water, spiked	<1.5	81	44	20
13	Surface water, DF 75	900	n. d.	n. d.	n. d.
14	Surface water	<LOD	660	14	260
15	Surface water, spiked	<1.5	60	12	29
16	Surface water, spiked	0.29 ± 0.16	35	16	54
17	Surface water, spiked	0.39 ± 0.38	39	16	51
18	Surface water	<LOD	23	12	19
19	Surface water	9.3	86	18	130
20	Surface water, spiked	< 1.5	110	4.5	36
21	Swimming pool water, DF 10	124	97	n. d.	150
22	Swimming pool water, DF 20	275	260	n. d.	140
23	Swimming pool water, DF 20	289	260	n. d.	140
24	Swimming pool water, DF 20	202	150	n. d.	110
25	Swimming pool water, DF 5	56	84	n. d.	80
26	Swimming pool water, DF 5	52	74	n. d.	88
27	Swimming pool water, DF 5	54	74	n. d.	89
28	Swimming pool water, DF 5	54	n. d.	n. d.	n. d.
29	Swimming pool water, DF 5	54	67	n. d.	98
30	Swimming pool water, DF 5	55	74	n. d.	88

LOD limit of determination; n. d. not determined; DF dilution factor applied