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BS EN 47:2016 – TC:2020 Edition

BS EN 47:2016 – TC:2020 Edition

$186.33

Tracked Changes. Wood preservatives. Determination of the toxic values against larvae of Hylotrupes bajulus (Linnaeus). (Laboratory method)

Published By Publication Date Number of Pages
BSI 2020 54
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This document specifies a method for the determination of the toxic values of a wood preservative against the larvae of Hylotrupes bajulus (Linnaeus), introduced into wood treated previously by full impregnation. This method is applicable to: ¾ water-insoluble chemicals which are being studied as active insecticides; ¾ organic formulations, as supplied or as prepared in the laboratory by dilution of concentrates; ¾ organic water-dispersible formulations as supplied or as prepared in the laboratory by dilution of concentrates; ¾ water-soluble materials, for example salts. The method is applicable whether or not the test specimens have been subjected to appropriate ageing procedures.

PDF Catalog

PDF Pages PDF Title
33 1 Scope
2 Normative reference
3 Terms and definitions
4 Principle
34 5 Test materials
5.1 Biological material
5.1.1 Hylotrupes bajulus (Linnaeus) larvae
5.1.2 Source of larvae
5.1.3 Provision of larvae
5.1.4 Choice of larvae in Category 2
5.1.5 Number of larvae
35 5.2 Products and reagents
5.3 Apparatus
36 6 Sampling
37 7 Test specimens
7.1 Species of wood
7.2 Wood quality
7.3 Provision of test specimens
7.4 Dimensions of test specimens
7.5 Number of test specimens
38 8 Procedure
8.1 Preparation of test specimens
8.1.1 Conditioning of test specimens before treatment
8.1.2 Treatment of the test specimens
8.1.2.1 Preparation of the treatment solutions
8.1.2.2 Impregnation
39 8.1.3 Drying and conditioning of the test specimens after treatment
8.2 Exposure of the test specimens to the insects
8.2.1 Use of larvae in Category 1
40 8.2.2 Use of larvae in Category 2
41 8.3 Conditions and duration of the test
8.4 Examination of the test specimens
8.4.1 Examination without radiography
8.4.2 Examination with radiography, (larvae in Category 2)
8.4.3 Verification of the state of the larvae
8.4.4 Validity of the test
42 9 Expression of results
10 Test report

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BS EN 47:2016 - TC
$186.33