| abstract |
The use as a molluscicide of a chelate of aluminium (III) with a ligand of formula I or of iron (III) with a ligand of formula II nI: [R¹COCHCOCR²]⁻ nII: [R³NO.N=O]⁻ nin which formulae: nR¹ and R², which may be identical or different, represent: nmethyl, ethyl, propyl, methoxyethyl, ethoxyethyl, dimethoxy methyl or diethoxymethyl and nR³ represents: nC₁-C₆ alkyl, provided that when the alkyl group contains more than four carbon atoms the group is a branched chain alkyl group. |