Aluminum Standard: Al @ 1000 µg/mL in 5% HNO3, 100mL

Cr @ 1000 µg/mL in 5% HCl, 100ml

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

Phosphate (PO4-3) as P, 1000µg/ml in Water, 100ml