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

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

Chlorine, 10000µg/g (1.00wt%) in Mineral Oil,100ml

Sulfur, 5000µg/g (0.500 wt%) in 75 cSt Mineral Oil, 100ml