Table 1.
The linearity and sensitivity of 9 types of minerals by ICP-OES1).

Analytes	Linear range (mg/kg)	Correlation coefficient (r)	LOD (mg/kg)	LOQ (mg/kg)
Sodium	1-100	0.9999	0.0378	0.1260
Calcium	1-100	0.9999	0.0134	0.0448
Potassium	1-100	0.9999	0.1005	0.3351
Phosphorus	1-100	0.9999	0.0745	0.2482
Magesium	1-100	0.9999	0.0122	0.0408
Iron	0.1-5	0.9999	0.0030	0.0101
Zinc	0.1-5	0.9999	0.0027	0.0089
Copper	0.01-1	0.9999	0.0006	0.0019
Manganese	0.01-1	0.9999	0.0011	0.0037

All values were calculated using standard solution inter-day (n=12) analyses