... (Cu): 2.0μg/ml Absorption>0.2 AbsDetection(Cu): Cu<0.0004μg/ml(flame);Cd<0.4 ... Analysis); Ba<1% (Nitrous Oxide Analysis) Cu<2%,Cd<2%(Graphite Furnace Analysis)Background Correction: Deuterium Lamp>×40,Self ... Ba)Character Value: Cu<0.3×10-10g,Cd<0.3×10-12gBurner Head: Titanium Alloy BurnerNebulizer: ... Bandwidth 0.1nm,02nm,0.4nm,1.0nm,2.0nm (5steps,Automatic Changeover)Wavelength Accuracy ±0.15nmWavelength ...