Over deze norm
NEN-EN 49-2 specifies a method for the determination of the protective effectiveness or the toxic values of a wood preservative against Anobium punctatum (De Geer) by egg-laying and larval survival 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; - 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, and - water-soluble materials, for example salts.
|Nederlandse titel||Houtverduurzamingsmiddelen - Bepaling van de preventieve werking tegen Anobium punctatum (De Geer) (kleine houtworm) aan de hand van het aantal gelegde eieren en de hoeveelheid overlevende larven - Deel 2: Toepassing door middel van impregneren (Laboratoriummethode)|
|Engelse titel||Wood preservatives - Determination of the protective effectiveness against Anobium punctatum (De Geer) by egg-laying and larval survival - Part 2: Application by impregnation (Laboratory method)|