This Standard contains the following;

Element, Concentration (µg/ml)

Al 20;*Sb 20; As 20 ;Ba 20;Be 20;Cd 20

Cr 20; Co 20; Cu 20 ;Pb 20;Mn 20;*Mo 20

Ni 20; Se 100; Ag 20 ;Tl 20;Th 20

U 20; V 20; Zn 20

Matrix - Solution A - 2% HNO3; Solution B - 2% HNO3 Tr HF