Journal of Northeastern University(Natural Science)

Journal of Northeastern University ›› 2011, Vol. 32 ›› Issue (3): 400-402+414.DOI: -

• OriginalPaper • Previous Articles     Next Articles

Synthesis and characterization of K2O · CaO · 4B2O3 · 12H2O

Bi, Ying (1); Tian, Yan-Wen (1); Wang, Guo-Sheng (2); Liu, Dan (2)   

  1. (1) School of Materials and Metallurgy, Northeastern University, Shenyang 110819, China; (2) College of Chemical Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China
  • Received:2013-06-19 Revised:2013-06-19 Published:2013-04-04
  • Contact: Bi, Y.
  • About author:-
  • Supported by:
    -

RichHTML

0

PDF (PC)

815

Abstract: Using CaCl2 and K2B4O7 as raw materials, K2O · CaO · 4B2O3 · 12H2O was synthesized from aqueous solution. Conditions were as follows: water 450 ml; mass ratio of K2B4O7: CaCl2 was 65:7.5; reaction temperature 45°C; stir speed 400 r/min; reaction time 3 h. The product was analyzed and characterized by chemical analysis, FT-IR spectra, X-ray powder diffraction and SEM. The result showed the reaction conditions were appropriate and varying reaction temperature affected growth inhibition of dissimilar K2O · CaO · 4B2O3 · 12H2O. K2O · CaO · 4B2O3 · 12H2O was a rhombic crystal about 4 mm long. The shape of K2O · CaO · 4B2O3 · 12H2O crystal was well and integrated.

CLC Number: