... & E Lab.Main Products: Atomic Absorption Spectrometer (AAS), Fluorescence Spectrophotometer, Bio-Spectrophotometer, UV Vis Spectrophotometer, Visible Spectrophotometer, Flame Photometer, Whiteness Meter, Turbidity Meter, Colorimeter, Gloss ... , Incubator, shaker, Hotplate, Mixer, PCR, Oven, etc.Application:AE-VIS721/722 are basic laboratory instruments which based on the principle of ...