4-Chlorophenol solution, 200mg AOX/l, 100ml

Zn, 1000 µg/mL in 5% HNO3, 100ml

Sn, 1000 µg/mL in 5% HNO3, 100ml

Arsenic Standard: 1000 µg/g As in 75 cSt Hydrocarbon Oil, 50g