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Homepage>BS Standards>71 CHEMICAL TECHNOLOGY>71.100 Products of the chemical industry>71.100.50 Wood-protecting chemicals>22/30452939 DC BS EN 20-2. Wood preservatives. Determination of the protective effectiveness against Lyctus brunneus (Stephens). Part 2. Application by impregnation (Laboratory method)
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immediate downloadReleased: 2022-10-06
22/30452939 DC BS EN 20-2. Wood preservatives. Determination of the protective effectiveness against Lyctus brunneus (Stephens). Part 2. Application by impregnation (Laboratory method)

22/30452939 DC

BS EN 20-2. Wood preservatives. Determination of the protective effectiveness against Lyctus brunneus (Stephens). Part 2. Application by impregnation (Laboratory method)

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25.56 USD
Standard number:22/30452939 DC
Pages:23
Released:2022-10-06
Status:Draft for Comment
DESCRIPTION

22/30452939 DC


This standard 22/30452939 DC BS EN 20-2. 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.