This Solution contains the following;
Solution A: in 4% HNO3
Beryllium (Be) @ 50 µg/mL, chromium (Cr) @ 200 µg/mL, Copper (Cu) @ 250 µg/mL,
Cobalt (Co), Manganese (Mn), Nickel (Ni), Vandium (V), Zinc (Zn) @ 500 µg/mL, Iron (Fe) @ 1000 µg/mL,
Aluminium (Al), Barium (Ba) @ 2000 µg/mL