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Citation: PENG Min, SHI Jianxin, WANG Zhou, LI Lianyun, CHEN Penglong. Improvement of Synthesis Experiment of Bismuth Vanadate Pigment by pH Optimization[J]. University Chemistry, ;2018, 33(8): 26-31. doi: 10.3866/PKU.DXHX201801031 shu

Improvement of Synthesis Experiment of Bismuth Vanadate Pigment by pH Optimization

School of Chemistry, Sun Yat-sen University, Guangzhou 510275, P. R. China

Received Date: 19 January 2018

The effects of pH on the synthesis experiment of BiVO₄ pigment were studied with improved experimental installation. Under the selected experimental conditions, the product was a mixture of a tetragonal phase, which dominated and a monoclinic one. pH of reaction system had significant influence on product color. Under acidic condition, the product was dark khaki. Under basic condition, product presented bright yellow. The pH=9 reaction system was recommended, because the product had a better bright yellow tone.
- Bismuth vanadate,
- pH,
- XRD,
- Color
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