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UNI CEN/TS 839 : 2008

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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WOOD PRESERVATIVES - DETERMINATION OF THE PROTECTIVE EFFECTIVENESS AGAINST WOOD DESTROYING BASIDIOMYCETES - APPLICATION BY SURFACE TREATMENT

Superseded date

26-03-2015

Superseded by

UNI EN 839 : 2015

Published date

01-01-2008

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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Test materials and apparatus
   5.1 Biological material
   5.2 Products and reagents
   5.3 Apparatus
6 Sampling of the preservative
7 Test specimens
   7.1 Species of wood
   7.2 Wood quality
   7.3 Provision of the test specimens
   7.4 Dimensions and density of test specimens
   7.5 Number and distribution of test specimens
8 Procedure
   8.1 Preparation of the untreated test specimens
   8.2 Preparation of the treated test specimens
   8.3 Exposure to fungi
   8.4 Culture conditions and duration of test
   8.5 Assessment of test
9 Statement of results
10 Test report
Annex A (informative) - Test fungi
      A.1 General information on maintenance and acquisition
          of test strains
      A.2 Maintenance and treatment of test fungi
      A.3 Information regarding obligatory fungi
Annex B (normative) - Methods of sterilisation
      B.1 Ionising radiation
      B.2 Epoxyethane-based sterilant
      B.3 Epoxypropane-based sterilant
      B.4 Steam
Annex C (informative) - Examination of colonisation
Annex D (informative) - Example of a test report
Annex E (informative) - Environmental, health and safety
        precautions within chemical/biological laboratory
Bibliography

Describes a method of test for the determination of the protective effectiveness of a wood preservative, applied to the surface of the wood, against wood destroying basidiomycetes cultured on an agar medium.

DevelopmentNote
Supersedes UNI ENV 839. (09/2008)
DocumentType
Standard
PublisherName
Ente Nazionale Italiano di Unificazione (UNI)
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
CEN/TS 839:2008 Identical

UNI/TR 11436 : 2012 DURABILITY OF WOOD AND WOOD-BASED PRODUCTS - GUIDELINES FOR USE OF EUROPEAN STANDARDS

EN 212:2003 Wood preservatives - General guidance on sampling and preparation for analysis of wood preservatives and treated timber
EN 1001-2:2005 Durability of wood and wood based products - Terminology - Part 2: Vocabulary
EN 73:2014 Wood preservatives - Accelerated ageing of treated wood prior to biological testing - Evaporative ageing procedure
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
EN ISO 3696:1995 Water for analytical laboratory use - Specification and test methods (ISO 3696:1987)
EN 1001-1:2005 Durability of wood and wood-based products - Terminology - Part 1: List of equivalent terms

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