Synthesis of environment-friendly (Bi, Ca, Zn)VO4 inorganic yellow pigments

Tran Ngoc Tuyen, Nguyen Duc Vu Quyen, Ho Van Minh Hai, Dang Xuan Tin, Dao Thi Phuong Mai
Author affiliations

Authors

  • Tran Ngoc Tuyen Department of Chemistry, Hue University, College of Sciences, 77 Nguyen Hue Str., Hue city, Viet Nam
  • Nguyen Duc Vu Quyen Department of Chemistry, Hue University, College of Sciences, 77 Nguyen Hue Str., Hue city, Viet Nam
  • Ho Van Minh Hai Department of Chemistry, Hue University, College of Sciences, 77 Nguyen Hue Str., Hue city, Viet Nam
  • Dang Xuan Tin Department of Chemistry, Hue University, College of Sciences, 77 Nguyen Hue Str., Hue city, Viet Nam
  • Dao Thi Phuong Mai Department of Chemistry, Hue University, College of Sciences, 77 Nguyen Hue Str., Hue city, Viet Nam

DOI:

https://doi.org/10.15625/0866-708X/55/1/8215

Keywords:

yellow pigments, scheelite, environmentally friendly inorganic pigments

Abstract

In this paper, the synthesis of scheelite based environmentally friendly inorganic yellow pigments was presented. The pigments of Bi1-x-yCaxZnyVO4-(x+y)/2 (x = 0.1 ÷ 0.9, y = 0.1 ÷ 0.9) have been prepared by the evaporation to dryness from BiONO3, Ca(NO3)2.4H2O, Zn(NO3)2.6H2O and NH4VO3. The obtained powders were characterized by Thermal Analysis (TG-DSC), X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM) and CIE L*a*b* colour measurement. The results showed that the pigments calcinated at 650oC for 6 hours with the heating rate of 5oC.min-1 possessed single phase of scheelite with good crystallinity. The yellow colour intensity was a function of the amount of calcium (II) and zinc (II) ions. The colour of Bi0.70Zn0.30VO3.85 sample was similar to the lemon yellow PbCrO4 (BASF1522) pigment made by Hangzhou Emperor Pigment Company (China).

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Published

09-02-2017

How to Cite

[1]
T. N. Tuyen, N. D. V. Quyen, H. V. M. Hai, D. X. Tin, and D. T. P. Mai, “Synthesis of environment-friendly (Bi, Ca, Zn)VO4 inorganic yellow pigments”, Vietnam J. Sci. Technol., vol. 55, no. 1, pp. 64–73, Feb. 2017.

Issue

Vol. 55 No. 1 (2017)

Section

Materials

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