Standard: Na @ 4200, P @ 3500, B, K @ 1400, Mo, Si @ 700, Cl @ 140, Al, Ca, Cu, Fe, Mg, Pb, Zn @ 70 µg/g in 5% HNO3/Tr HF

Standard: Na @ 4200, P @ 3500, B, K @ 1400, Mo, Si @ 700, Cl @ 140, Al, Ca, Cu, Fe, Mg, Pb, Zn @ 70 µg/g in 5% HNO3/Tr HF