Metal

Instrument detection limit (mg/L)

Method detection limit for ginger (mg/kg)

Method detection limit for soil (mg/kg)

Na

0.001

0.004

0.006

K

0.010

0.03

0.02

Ca

0.010

0.05

0.07

Mg

0.001

0.004

0.006

Cu

0.020

0.062

0.030

Zn

0.005

0.022

0.007

Mn

0.0010

0.002

0.004

Fe

0.030

0.034

0.022

Co

0.050

0.08

0.08

Cd

0.005

0.01

0.03

Pb

0.100

0.12

0.150