This Standard contains the following;

Element, Concentration (µg/ml)

Al, 200; Co, 50; Se 5

Sb, 60; Cu, 25; Ag 10

As, 10; Fe, 100; Na, 5000

Ba, 200; Pb, 5; Tl, 10

Be, 5; Mg, 5000; V, 50

Cd, 5; Mn, 15; Zn, 20

Ca, 5000; Ni, 40

Cr, 10; K, 5000

Matrix 4% HNO3 Tr HF