Al @ 10µg/mL, Mg @ 20µg/mL, Ca @ 32µg/mL, Cu, Fe, Pb, Zn @ 50µg/mL, B @ 1000µg/mL, P @ 2000µg/mL, K @ 5000µg/mL, Na @ 10,000µg/mL in 3% HNO3 (v/v), 500mL.

Al @ 10µg/mL, Mg @ 20µg/mL, Ca @ 32µg/mL, Cu, Fe, Pb, Zn @ 50µg/mL, B @ 1000µg/mL, P @ 2000µg/mL, K @ 5000µg/mL, Na @ 10,000µg/mL in 3% HNO3 (v/v), 500mL.