Standard: Na @ 2100, P @ 1750, B, K @ 700, Mo, Si @ 350, Cl @ 70, Al, Ca, Cu, Fe, Mg, Pb, Zn @ 35 µg/g in 5% HNO3/Tr HF

Standard: Na @ 2100, P @ 1750, B, K @ 700, Mo, Si @ 350, Cl @ 70, Al, Ca, Cu, Fe, Mg, Pb, Zn @ 35 µg/g in 5% HNO3/Tr HF