25/30528093 DC

This standard 25/30528093 DC Draft BS EN 47 Wood preservatives. Determination of the toxic values against larvae of Hylotrupes bajulus (Linnaeus). (Laboratory method) is classified in these ICS categories:

• 71.100.50 Wood-protecting chemicals

This document specifies a method for the determination of the toxic values of a wood preservative against the larvae of Hylotrupes bajulus (Linnaeus), introduced into wood treated previously by full impregnation. This method is applicable to: - water-insoluble chemicals which are being studied as active insecticides; - organic formulations, as supplied or as prepared in the laboratory by dilution of concentrates; - organic water-dispersible formulations as supplied or as prepared in the laboratory by dilution of concentrates; - water-soluble materials, for example salts. The method is applicable whether or not the test specimens have been subjected to appropriate ageing procedures.