As @ 1000 µg/mL in 5% HNO3, 100ml

V21 Wear Metals Standard: 30µg/g in Hydrocarbon Oil, 100g

Sn @ 10000 µg/mL in 5% HNO3, tr. HF, 100ml

Co @ 1000 µg/mL in 5% HNO3, 100ml