Table 2.

Quantification and detection limits.

Element	LOQ	LOD	Concentration range of standard solution
Na (mg/L)	315	10.0	1–2000
Mg (mg/L)	48.6	4.60	1–100
P (mg/L)	562	35.0	10–1000
K (mg/L)	1413	100	10–1000
Ca (mg/L)	678	22.0	10–1000
Fe (mg/L)	2.53	0.40	0.1–1000
Cu (mg/L)	0.06	0.01	0.01–100
Zn (mg/L)	1.81	0.20	0.1–100
As (µg/L)	0.04	0.01	0.1–100
Pb (µg/L)	0.04	0.01	0.1–100