Flocculation and stabilization of allophane in the presence of an anionic microbial polysaccharide (Gum Xanthan) and several of its hydrolytic intermediates

Soil Science and Plant Nutrition

Volumn 42, Issue 3, 1996, Pages 637-644

  He, Ming ^a   Horikawa, Yukiya ^a  

^a KOCHI UNIVERSITY   (Japan)

Author keywords

Allophane; Electrophoretic mobility; Gum xanthan; Microbial polysaccharide; Polymeric stability

Indexed keywords

EID: 0029827849     PISSN: 00380768     EISSN: 17470765     Source Type: Journal    
DOI: 10.1080/00380768.1996.10416332     Document Type: Article

References (12)

1. Dubois, M., Gills, K.A., Hamilton, J.K., Rebers, P.A., and Smith, F. 1956: Colorimetric method for determination of sugars and related substances. Anal. Chem., 28, 350-356
2. He, M. and Horikawa, Y. 1996: Stability of allophane, allophanic clay, and allophane-halloysite floc in aqueous solutions of an anionic exocellular heteropolysaccharide (gum xanthan) from Xanthomonas campestris. Soil Sci. Plant Nutr., 42, 603-612
3. Holzwarth, G. and Prestridge, E.B. 1977: Multistranded helix in xanthan polysaccharide. Science, 197, 757-759
4. Horikawa, Y. 1975a: Electrokinetic phenomena of aqueous suspensions of allophane and imogolite. Clay Sci., 4, 255-263
5. Horikawa, Y. 1975b: Effects of ionic surface active agents on the floatability and electrophoretic mobility of selected clays. Clay Sci., 4, 281-290
6. Horikawa, Y. and Hirose, K. 1975: Spectrophotometric measurement of flocculation rate of selected clays. Clay Sci., 4, 271-280
7. Horikawa, Y. and Kitamura, T. 1990: Gas chromatographic determination of allophane and imogolite in the clays from volcanic ash soils by using trimethylsilylation reaction. In Trans. 14th Int. Congr. Soil Sci., Kyoto, Vol. 7,. p. 447-448
8. Horikawa, Y., Terai, T., and Ogura, H. 1979: Mutual flocculation between selected clay minerals and some kinds of asexual spores from soil-borne fungi. Soil Sci. Plant Nutr., 25, 357-364
9. Hunter, R.J. 1981: Zeta Potential in Colloid Science, p. 219-257, Academic Press, London
10. Stokke, B.T., Smidsrqid, O., and Elgsaeter, A. 1989: Electron microscopy of native xanthan and xanthan exposed to low ionic strength. Biopolymers, 28, 617-637
11. Theng, B.K.G. 1979: Formation and Properties of Clay-Polymer Complexes, p. 37-61, Elsevier Sci. Publ. Co., Amsterdam
12. Wada, K. 1989: Allophane and imogolite. In Minerals in Soil Environments, 2nd ed., Ed. J.B. Dixson and S.B. Weed, p. 1051-1087, Soil Sci. Soc. Am. Inc., Wisconsin