Al, Cu @ 5µg/mL, Mg @ 10µg/mL, Zn @ 20µg/mL, Fe, Pb @ 25µg/mL, Ca @ 50µg/mL, B @ 250µg/mL, P @ 1000µg/mL, K @ 2500µg/mL, Na @ 5000µg/mL in 3% HNO3 (v/v), 250ml

Al, Cu @ 5µg/mL, Mg @ 10µg/mL, Zn @ 20µg/mL, Fe, Pb @ 25µg/mL, Ca @ 50µg/mL, B @ 250µg/mL, P @ 1000µg/mL, K @ 2500µg/mL, Na @ 5000µg/mL in 3% HNO3 (v/v), 250ml