19 components: Al 10mg/l As 5mg/l Ba 5mg/l Be 0.5mg/l B 12.5mg/l Cd 0.5mg/l Cr 5mg/l Co 2.5mg/l Cu 5mg/l Pb 5mg/l Mn 10mg/l Ni 5mg/l P 50mg/l Ag 2mg/l Sb 10mg/l Sr 5mg/l U 5mg/l Zn 12.5mg/l Fe 75mg/l in HNO3 2% ,, 1 * 100 mL