Wood preservatives. Determination of the protective effectiveness against <i>Lyctus brunneus</i> (Stephens) - Application by impregnation (Laboratory method)
Wood preservatives. Determination of the protective effectiveness against <i>Lyctus brunneus</i> (Stephens) - Application by impregnation (Laboratory method)
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Wood preservatives. Determination of the protective effectiveness against Lyctus brunneus (Stephens) - Application by impregnation (Laboratory method)

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1   Scope

This part of the EN 20 series specifies a method for the determination of the protective effectiveness or the toxic values of a wood preservative against infection by Lyctus brunneus (Stephens) in wood which has been treated previously by full impregantion.
This method is applicable to:
  • — water-insoluble chemicals which are being studied as active insecticides; or
  • — organic formulsation, as supplied or as prepared in the laboratory by dilution of concentrates.
This method is applicable to water-based preservatives.

NOTE This method can be used in conjuction with ageing procedures, which do not remove the added nutrient.