DS/EN 20-2:1994
Wood preservatives-Determination of the protective effectiveness against Lyctus brunneus(Stephens)-Part 2:Application by impregnation (laboratory method)

Standard No.

DS/EN 20-2:1994

Release Date

1994

Published By

Danish Standards Foundation

Latest

DS/EN 20-2:1994

Scope

This Part of EN 20 specifies a method for the determination of the protective effectiveness or the toxic values of a wood preservative against infestation by Lyctus brumieus (Stephens) in wood which has been treated previously by full impregnation. This method is applicable to: — water-insoluble chemicals which are being studied as active insecticides, or, — organic formulations, as supplied or as prepared in the laboratory by dilution of concentrates. This method is not applicable to water-based perse rvatives. NCTTE. This method may be used in conjuction with ageing procedures, which do not remove the added nutrient.

DS/EN 20-2:1994 history

• 1994 DS/EN 20-2:1994 Wood preservatives-Determination of the protective effectiveness against Lyctus brunneus(Stephens)-Part 2:Application by impregnation (laboratory method)