锡块虽然Ag在王水溶液中全部溶解,但当原子化时大量Ag与Cl离子结合生成AgCl沉淀,致使Ag信号减弱。硝酸消解生成大量SnO2沉淀,Ag在溶液中,不影响Ag的测定
银的原子光谱信息
Technique / Line Estimated D.L.* Order Type Interferences
ICP-OES 328.068 nm 0.007/.0007 ?g/mL 1 atom Ce, Rh, V
ICP-OES 338.289 nm 0.013/.001 ?g/mL 1 atom Ce, Cr, Th
ICP-OES 243.779 nm 0.12/.01 ?g/mL 1 ion Mn, Th, Ni, Rh
锡的原子光谱信息
Technique / Line Estimated D.L.* Order Type Interferences
ICP-OES 189.989 nm 0.03/.003 ?g/mL 1 ion
ICP-OES 242.949 nm 0.1/.01 ?g/mL 1 atom W, Mo, Rh ,Ta, Co