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Synthesis of Novel Manganese Aluminum Phosphate Violet Pigments
[post]
2020
unpublished
Novel violet pigments were synthesized from manganese oxide, aluminum hydroxide, and phosphoric acid by heating at several temperatures. The obtained materials were investigated by X-ray diffraction (XRD) analysis, infrared (IR) spectroscopy, ultraviolet–visible (UV–Vis) reflectance spectroscopy, and L*a*b* color space. Sample synthesized in this work showed no clear peak pattern on XRD analysis. At Mn/Al/P = 1/1/4, sample heated at 400 ° C showed the most violet color. The effect of heating
doi:10.21203/rs.3.rs-98835/v1
fatcat:mvx6j4w4y5ckvk6dg37zka4ppu