ICP Multi-element Standard - 26 components: Al 100ug/ml ; Sb 100ug/ml ; As 100ug/ml ; Ba 100ug/ml ; Be 100ug/ml ; B 100ug/ml ; Cd 100ug/ml ; Ca 100ug/ml ; Cr 100ug/ml ; Co 100ug/ml ; Cu 100ug/ml ; Fe 100ug/ml ; Pb 100ug/ml ; Mg 100ug/ml ; Mn 100ug/ml ; Mo 100ug/ml ; Ni 100ug/ml ; K 1000ug/ml ; Se 100ug/ml ; Si 50ug/ml ; Ag 100ug/ml ; Na 100ug/ml ; Tl 100ug/ml ; Ti 100ug/ml ; V 100ug/ml ; Zn 100ug/ml in HNO3 5% ; HF tr