1. Distribution ratio of some chlorinated hydrocarbon insecticides between hexane and water

   • S. Voerman

   OriginalPaper 24 August 2013 Pages: 64 - 67

2. Gas chromatographic characteristics of chlordane I. effect of an aqueous environment on the heptachlor component

   • Arthur Bevenue
   • Chee Yee Yeo

   OriginalPaper 24 August 2013 Pages: 68 - 76

3. Conversion of heptachlor to its epoxide

   • Joginder Singh

   OriginalPaper 24 August 2013 Pages: 77 - 79

4. A simple starch-gel electrophoretic method to investigate esterase inhibition by common organic insecticides

   • A. M. Kadoum

   OriginalPaper 24 August 2013 Pages: 80 - 87

5. The fate of phenyl N,N′-dimethylphosphor-diamidate in soil

   • R. W. Meikle
   • P. H. Christie

   OriginalPaper 24 August 2013 Pages: 88 - 103

6. Degradation of p³²-bromophos by microorganisms and seedlings

   • J. Stenersen

   OriginalPaper 24 August 2013 Pages: 104 - 112

7. Delayed lethal effect of 2,4-Dichlorophenoxyacetic acid on bacteria

   • C. A. Lamartiniere
   • L. T. Hart
   • A. D. Larson

   OriginalPaper 24 August 2013 Pages: 113 - 119

8. Activation and standardization of purified silica gel for column chromatographic cleanup of pesticide residue extracts

   • A. M. Kadoum

   OriginalPaper 24 August 2013 Pages: 120 - 127