Mn, 1000 µg/mL in 5% HNO3, 100ml

Silver (Ag) standard, 1000µg/mL, in 5% HNO3, 100ml

Sulfide (S), 1000µg/mL in Water, 3 x 20ml

Mo, 1000 µg/mL in 5% HNO3, tr. HF, 100ml