BS EN 351-2-2007 Durability of wood and wood-based products - Preservative-treated solid wood - Part 2 Guidance on sampling for the nanalysis of preservative-treated wood《木材和木基制品的耐.pdf
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1、Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 16/04/2008 08:29, Uncontrolled Copy, (c) BSIg49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58s
2、olid wood Part 2: Guidance on sampling for the analysis of preservative-treated woodICS 71.100.50; 79.040Durability of wood and wood-based products Preservative-treated BRITISH STANDARDBS EN 351-2:2007BS EN 351-2:2007Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 16/04/2008 08:29, Uncontroll
3、ed Copy, (c) BSIThis British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 January 2008 BSI 2008ISBN 978 0 580 55479 7Amendments/corrigenda issued since publicationDate CommentsThis publication does not purport to include all the necessary provisions
4、 of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.National forewordThis British Standard is the UK implementation of EN 351-2:2007. It supersedes BS EN 351-2:1996 which is withdrawn.The UK participation
5、in its preparation was entrusted by Technical Committee B/515, Wood preservation, to Subcommittee B/515/2, Durability, treatment, performance and environment issues.A list of organizations represented on this committee can be obtained on request to its secretary.EUROPEAN STANDARDNORME EUROPENNEEUROP
6、ISCHE NORMEN 351-2July 2007ICS 79.040; 71.100.50 Supersedes EN 351-2:1995 English VersionDurability of wood and wood-based products - Preservative-treated solid wood - Part 2: Guidance on sampling for theanalysis of preservative-treated woodDurabilit du bois et des produits base de bois - Boismassif
7、 trait avec produit de prservation - Partie 2 : Guidedchantillonnage pour lanalyse du bois trait avec unproduit de prservationDauerhaftigkeit von Holz und Holzprodukten - MitHolzschutzmitteln behandeltes Vollholz - Teil 2: Leitfadenzur Probenentnahme fr die Untersuchung des mitHolzschutzmitteln beha
8、ndelten HolzesThis European Standard was approved by CEN on 21 June 2007.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliograp
9、hical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN
10、 member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy
11、, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Bru
12、ssels 2007 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 351-2:2007: ELicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 16/04/2008 08:29, Uncontrolled Copy, (c) BSIEN 351-2:2007 (E) 2 Contents Page Foreword3 1 Scope 4 2 Normat
13、ive references 4 3 Terms and definitions .4 4 Selection of batch5 5 Selection of sampling units from a batch .6 6 Selection of test samples from a sampling unit .6 7 Test samples for determining penetration6 8 Test samples for determination of retention 10 Annex A (informative) Selection of number o
14、f sampling units 13 Bibliography 15 Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 16/04/2008 08:29, Uncontrolled Copy, (c) BSIEN 351-2:2007 (E) 3 Foreword This document (EN 351-2:2007) has been prepared by Technical Committee CEN/TC 38 “Durability of wood and wood-based products”, the secre
15、tariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by January 2008, and conflicting national standards shall be withdrawn at the latest by January 2008. This document s
16、upersedes EN 351-2:1995. Significant technical differences between this edition and EN 351-2:1995 are as follows: a) introduction of terms with their definition in clause 3; b) addition of clause 4 “Selection of batch“; c) deletion of the sub-clause “Longitudinal sections“ for sampling to determine
17、the axial penetration. This document consists of two parts. Part 1 is concerned with defining the penetration requirements and gives guidance on the retention requirements for preservatives in preservative-treated solid wood. Part 2 gives guidance on the general procedures to be followed in the samp
18、ling for analysis of preservative-treated solid wood. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, Franc
19、e, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 16/04/2008 08:29, Uncontrolled Copy, (
20、c) BSIEN 351-2:2007 (E) 4 1 Scope This part of EN 351 provides guidance on the general procedures used in obtaining samples of preservative-treated wood to determine the penetration and retention of wood preservative. This part of EN 351 is applicable for the production of preservative-treated solid
21、 wood, including glued laminated timber, suitable for use in those service conditions defined by the use classes in EN 335-1. However, the sampling guidance provided within this part of EN 351 may be applied for the subsequent examination of treated wood in service. 2 Normative references The follow
22、ing referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 1001-2:2005, Durability of wood and wood-based products
23、Terminology Part 2: Vocabulary ISO 2859-1:1999, Sampling procedures for inspection by attributes Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 1001-2:2005 a
24、nd the following apply. 3.1 active ingredient(s) individual chemical compound or compounds included in a wood preservative product to give it specific activity against biological agents of deterioration NOTE Adapted from EN 1001-2:2005, 4.01. 3.2 analytical zone part of the treated wood that is anal
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