23 element interference check in 2 solutions:
Solution A: Ti, Mo @ 10 µg/mL, Al, Ca, Fe, Mg, P, K, Na, S @ 500 µg/mL, C @ 1000 µg/mL, Cl @ 3600 µg/mL in 2% HNO3 + Tr HF;
Solution AB: Cd @ 0.05 µg/mL, As, Cr, Cu, Mn, Se, Ag, Zn @ 0.1 µg/mL, Co, Ni, V @ 0.2 µg/mL, Ti, Mo @ 10 µg/mL, Al, Ca, Fe, Mg, P, K, Na, S @ 500 µg/mL, C @ 1000 µg/mL, Cl @ 3600 µg/mL in 2% HNO3 + Tr HF. 1 year expiry date.
Interference Check Solutions (ICS) contain known concentrations of interfering elements and are used to measure the effectiveness of interference correction techniques.