Fe, 1000 µg/mL in 5% HNO3, 100ml

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

Complex Cyanide (CN-), 1000µg/ml in Tr. NaOH / Water, 100ml

Fluoride (F-), 10µg/mL in Water, 500ml