S @ 1000 µg/g (0.100 wt%) in #2 Diesel Fuel, 100ml

Germanium (Ge), 100 µg/mL in 2%-HNO3 / Water, 4x25ml

Na, 1000 µg/mL in 5% HNO3, 100ml

Cr, 1000 µg/mL in 5% HNO3, 100ml