ČSN EN 20-2

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

Verfügbare Sprachen: Englisch

Verfügbare Ausführung: Gedruckt

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Detailinformationen

Bezeichnung: ČSN EN 20-2

Ausgabedatum: 01.06.2024

Seiten: 28

Land: Tschechische technische Norm

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Erhältlich auf www.technormen.de

Annotation

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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