6R. M. E. Valckenborg, L. Pel K. KoPinga. NMR Relaxation and diffusion measurements on iron ( 111 )-doped kaolin clay [J]. Journal of Magnetic Resonance, 2001, 151(2): 291-297.
7Sathy Chandrasekhar, S. Ramaswamy. Iron minerals and their influence on the optical properties of two Indian kaolins[J]. Applied Clay Science, 2006, 33: 269-277.
8Marek Zbik, Roger St. C. Smart. Influence of dry grinding on tale and kaolinite morphology: Inhibition of nano-bubble forma- tion and improved dispersion[J]. Minerals Engineering, 2005, 18 (9) : 969-976.