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EVS-EN 20-2:2023

Wood preservatives - Determination of the protective effectiveness against Lyctus brunneus (Stephens) - Part 2: Application by impregnation (Laboratory method)

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Kehtiv alates 15.12.2023
Alusdokumendid
EN 20-2:2023
Tegevusala (ICS grupid)
71.100.50 Puidukaitse kemikaalid
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Standardi ajalugu

Staatus
Kuupäev
Tüüp
Nimetus
15.12.2023
Põhitekst
01.04.2003
Põhitekst
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.
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