Effect of some environmental ligands and fertilizers on humic acid complexation with strontium

A. A. Helal, H. F. Aly, D. M. Imam, S. M. Khalifa, J. Radioanal. Nucl. Chem., 227 (1997), No. 1.

M. Schnitzer, S. U. Khan, Humic Substances in the Environment, Marcel Dekker, New York, 1972.

V. V. Stepanov, Soviet Soil Sci., (English translation) 16 (1969) 167.

M. R. Lindbeck, J. L. Young, Anal. Chim. Acta., 32 (1965) 73.

W. Flaig, B Z. Pflanzenernahr. Dungodenk., 51 (1950) 93.

K. Valdmaa, Lantbrhogsk. Annlr., 35 (1969) 199.

S. Mitsui, H. Takatoh, Soil Sci. Plant Nutr., (Japan), 9 (1963) 103.

P. K. Pal, B. K. Banerjee, Technology, 3 (1966) 87.

S. K. Ghosh, A. K. Chakravorty, P. K. Pal, Technology, 4 (1967) 71.

A. A. Helal, H. F. Aly, Interaction of Amricium with Lake Quaroun Humic Acid, Proc. 3rd. Arab. Conf. on Peaceful Uses of Atomic Energy, Damascus, Syria 9–13 Dec. 1996 to be published.