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ALMAZ, M., ABU-ZAHW, M., NASR, I., EL-TOHAMY, M. (1995). RECOVERY OF SOME CHLORINATED HYDROCARBON AND ORGANOPHOSPHOROUS PESTICIDES ON WET AND DRY ALUMINA COLUMN CHROMATOGRAPH. Egyptian Journal of Agricultural Research, 73(2), 411-420. doi: 10.21608/ejar.1995.433835
MOUNIR M. ALMAZ; MOSTAFA M. ABU-ZAHW; ISLAM N. NASR; MAHMOUD M. EL-TOHAMY. "RECOVERY OF SOME CHLORINATED HYDROCARBON AND ORGANOPHOSPHOROUS PESTICIDES ON WET AND DRY ALUMINA COLUMN CHROMATOGRAPH". Egyptian Journal of Agricultural Research, 73, 2, 1995, 411-420. doi: 10.21608/ejar.1995.433835
ALMAZ, M., ABU-ZAHW, M., NASR, I., EL-TOHAMY, M. (1995). 'RECOVERY OF SOME CHLORINATED HYDROCARBON AND ORGANOPHOSPHOROUS PESTICIDES ON WET AND DRY ALUMINA COLUMN CHROMATOGRAPH', Egyptian Journal of Agricultural Research, 73(2), pp. 411-420. doi: 10.21608/ejar.1995.433835
ALMAZ, M., ABU-ZAHW, M., NASR, I., EL-TOHAMY, M. RECOVERY OF SOME CHLORINATED HYDROCARBON AND ORGANOPHOSPHOROUS PESTICIDES ON WET AND DRY ALUMINA COLUMN CHROMATOGRAPH. Egyptian Journal of Agricultural Research, 1995; 73(2): 411-420. doi: 10.21608/ejar.1995.433835

RECOVERY OF SOME CHLORINATED HYDROCARBON AND ORGANOPHOSPHOROUS PESTICIDES ON WET AND DRY ALUMINA COLUMN CHROMATOGRAPH

Article 12, Volume 73, Issue 2, June 1995, Page 411-420  XML PDF (2.35 MB)
Document Type: Original Article
DOI: 10.21608/ejar.1995.433835
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Authors
MOUNIR M. ALMAZ; MOSTAFA M. ABU-ZAHW; ISLAM N. NASR; MAHMOUD M. EL-TOHAMY
Central Agricultural Pesticides Laboratory, Agricultural Research Centre, Dokki, Giza, Egypt
Abstract
The effect of drying and wetting of the deactivated (6% mosi­ture) aluminium oxide column using n-hexane or benzene as eluting sol­vent was investigated in order to evaluate recovery rates of cetain hy­drocarbon and organophosphorus pesticides. The dry aluminium oxide column showed the best recovery values for chlorinated hydrocarbon pesticides when eluted with n-hexane or benzene. The wet aluminium oxide column gave the best recovery values for organophosphorous pesticides when eluted with benzene. The dry al­uminium oxide column also gave satisfactory recovery values for most of the tested organophosporous pesticides when benzene was used as an eluting solvent.
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