... Lab. Main Products: Atomic Absorption Spectrometer (AAS), Fluorescence Spectrophotometer, Bio-Spectrophotometer, UV Vis Spectrophotometer, Visible Spectrophotometer, Flame Photometer, Whiteness Meter, Turbidity Meter, Colorimeter, ... (Cu): Cu<0.0004μg/ml(flame);Cd<0.4×10-12g(graphite furnace) Cu<0.7%(Air-Acetylene ... /30min AA500F Flame Atomic Absorption Spectrometer / atomic absorption spectrophotometer