Research Article

Determination of Geographical Origin of Wuchang Rice with the Geographical Indicator by Multielement Analysis

Table 2

Quality control for determining the elements of rice.

Calibration range (μg/L)R2LOD (ppb)LOQ (ppb)

Na0–4 ppm0.99823.813.6
Mg0–4 ppm0.99860.93.0
Al0–40 ppb0.99531.55.0
K0–4 ppm0.99733.314.1
Ca0–4 ppm0.99924.615.3
V0–40 ppb0.99860.010.03
Mn0–40 ppb0.99961.55.0
Fe0–40 ppb0.99881.86.1
Co0–40 ppb0.99900.00150.0048
Cu0–40 ppb0.99941.24.0
Zn0–40 ppb0.99931.474.89
As0–40 ppb0.99910.0090.029
Rb0–40 ppb0.99950.060.21
Sr0–40 ppb0.99970.080.26
Cd0–40 ppb0.99930.0030.01
Pb0–40 ppb0.99930.0240.081