... of the eliminating the affection of wavelength drift on the base line stability) and electronic circuit drift so as to reach a ... diagram, spectrum outline sketch, data as well as instrument parameters list and analytical reports can be displayed and printed out.Technical ... , 0.7nm, 1.4nm, 2.4nm, 5.0nm Resolution: <40% Base line stability: ±0.004Abs/30min Characteristic concentration of copper: ≤ 0.04mg ...