PREN 717-1 : DRAFT 2002
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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-BASED PANELS - DETERMINATION OF FORMALDEHYDE RELEASE - PART 1: FORMALDEHYDE EMISSION BY THE CHAMBER METHOD
01-10-2004
12-01-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
5.1 General
5.2 Acetylacetone solution
5.3 Ammonium acetate solution
6 Apparatus
6.1 Test chamber
6.2 Air sampling system
6.3 Equipment for chemical analysis
6.4 Equipment for verification of air exchange rate
7 Test pieces
8 Procedure
8.1 Test conditions
8.2 Verification of test conditions
8.3 Chamber preparation
8.4 Preparation of test pieces
8.5 Loading and starting procedure
8.6 Air sampling and analysis
8.7 Test duration
9 Determination of formaldehyde emission
9.1 General
9.2 Principle
9.3 Procedure
9.4 Calibration curve
9.5 Calculation of the amount of formaldehyde trapped in the
gas washing bottles
9.6 Calculation of the formaldehyde emission
10 Determination of test result
11 Expression of results
12 Test report
Annex A (normative) Test chambers
A.1 Option 1: Large test chamber
A.2 Option 2: 1 cubic meter test chamber
A.3 Option 3: 0,225 cubic meter test chamber
Annex B (normative) Determination of air exchange rate
B.1 Principle
B.2 Equipment for measurement
B.3 Procedure
B.4 Evaluation
Annex C (normative) Determination of the steady-state emission value
C.1 Principle
C.2 Determination of the steady-state emission value
C.3 Exceptional feature
Annex D (informative) Analytical procedure for the fluorimetric
determination of formaldehyde content
D.1 Hantzsch reagent
D.2 Air sampling and analysis
D.3 Equipment for chemical analysis
D.4 Calibration curve
D.5 Calculation of the amount of formaldehyde trapped
in the gas washing bottles and calculation of the
formaldehyde emission
Annex E (informative) Bibliography
Specifies a chamber method with three options of test chambers for the determination of the formaldehyde emission from wood-based panels in terms of the steady-state concentration in a climatic chamber under defined conditions, which relate to typical conditions in real-life.
| Committee |
TC 112
|
| DocumentType |
Draft
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| 02/100084 DC : DRAFT MAY 2002 | Identical |
| NEN EN 717-1 : 2004 | Identical |
| 04/30113724 DC : DRAFT MAY 2004 | EN 300 - ORIENTED STRAND BOARDS (OSB) - DEFINITIONS, CLASSIFICATION AND SPECIFICATIONS |
| EN 326-1:1994 | Wood-based panels - Sampling, cutting and inspection - Part 1: Sampling and cutting of test pieces and expression of test results |
| CR 213:1984 | Particle boards - Determination of formaldehyde emission under specified conditions - Method called: formaldehyde emission method |
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