Sn, 1000 µg/mL in 5% HNO3, 100ml

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

Te, 1000 µg/mL in 5% HNO3, 100ml

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