Al, Cu @ 2µg/mL, Mg, Zn @ 4µg/mL, Fe @ 5µg/mL, Ca, Pb @ 10µg/mL, B @ 50µg/mL, P @ 400µg/mL, K, Na @ 1000µg/mL in 3% HNO3 (v/v), 500mL

Al, Cu @ 2µg/mL, Mg, Zn @ 4µg/mL, Fe @ 5µg/mL, Ca, Pb @ 10µg/mL, B @ 50µg/mL, P @ 400µg/mL, K, Na @ 1000µg/mL in 3% HNO3 (v/v), 500mL