... , UV Vis Spectrophotometer, Visible Spectrophotometer, Flame Photometer, Whiteness Meter, Turbidity Meter, Colorimeter, Gloss Meter, Tintometer, ... instrument can be widely measured the whiteness value of any substances. Such as: powder, board, paper, paste, sheet ... (paste), etc.² Food industry: Flour (powder), Starch (powder), Salt (powder), Sugar (powder), Fish Balls (paste),etc² Paper making industry ...