Perkin Elmer Pure 10 - 23 components; As 50ug/l ; B 100ug/l ; Ba 50ug/l ; Be 20ug/l ; Bi 10ug/l ; Ca 35000ug/l ; Cd 20ug/l ; Co 25ug/l ; Cr 20ug/l ; Cu 20ug/l ; Fe 100ug/l ; K 3000ug/l ; Mg 15000ug/l ; Mn 30ug/l ; Mo 100ug/l ; Na 8000ug/l ; Ni 50ug/l ; Pb 25ug/l ; Se 10ug/l ; Sr 100ug/l ; Tl 10ug/l ; V 50ug/l ; Zn 50ug/l in HNO3 2% - Certificati ISO 17034 / ISO 17025 - Validita 24 mesi