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

Environmental Sciences Europe

Table 1 Comparison of performance data obtained applying various injection volumes

Performance data 1 µg/L to 10 µg/L	Injection volume and signal evaluated
	500 µL		750 µL		1000 µL
	Area	Height	Area	Height	Area	Height
Linearity of the function	Yes	Yes	Yes	Yes	Yes	Yes
s _x0 (µg/L)	0.128	0.106	0.105	0.171	0.0603	0.0659
V _x0 (%)	2.33	1.93	1.90	3.12	1.10	1.20
LOD (µg/L)	0.512	0.424	0.420	0.684	0.241	0.264
LOQ (µg/L)	1.54	1.27	1.26	2.05	0.724	0.791

s _x0 standard deviation of the procedure [24]; V _x0 Variation coefficient of the procedure (relative s _x0) [24]; LOD approximate value for the limit of detection (LOD = 4·s _x0, [25]); LOQ approximate value for the limit of quantification (LOD = 12·s _x0, [25])