基质为稀硝酸,包含:
Ba-钡 100mg/L
B-硼 100mg/L
Cd-镉 100mg/L
Co-钴 100mg/L
Cu-铜 100mg/L
Pb-铅 100mg/L
Mo-钼 100mg/L
Ni-镍 100mg/L
Ti-钛 100mg/L
V-钒 100mg/L