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Homepage>BS EN 20-2:2023 Wood preservatives. Determination of the protective effectiveness against <i>Lyctus brunneus</i> (Stephens) Application by impregnation (Laboratory method)

sklademVydáno: 2023-12-08

BS EN 20-2:2023

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

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Označení normy:	BS EN 20-2:2023
Počet stran:	26
Vydáno:	2023-12-08
ISBN:	978 0 539 21446 8
Status:	Standard

DESCRIPTION

BS EN 20-2:2023

This standard BS EN 20-2:2023 Wood preservatives. Determination of the protective effectiveness against Lyctus brunneus (Stephens) is classified in these ICS categories:

71.100.50 Wood-protecting chemicals

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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