... SpecificationsWhiteness meter except solution or liquid samples, others all can test, such as: powder, board, paper, paste, sheet, ... : Atomic Absorption Spectrometer (AAS), Fluorescence Spectrophotometer, Bio-Spectrophotometer, UV Vis Spectrophotometer, Visible Spectrophotometer, Flame Photometer, Whiteness Meter, Turbidity ... (0-100%,LED display, touch panel, test paper, rice, flour, powder, paste)