AS/NZS 4357.4:2005
Structural laminated veneer lumber - Determination of formaldehyde emissions
Specifies a method for the determination of formaldehyde emissions from plywood. This test method is based upon the Japanese Agricultural Standard (JAS) method specified in MAFF Notification No. 233 but has been adapted to suit products commonly manufactured and sold in Australian and New Zealand.
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AS/NZS 4357.4:2005 STRUCTURAL LAMINATED VENEER LUMBER - DETERMINATION OF FORMALDEHYDE EMISSIONS
PREFACE
CONTENTS
1 SCOPE
2 REFERENCED DOCUMENTS
3 DEFINITIONS
4 PRINCIPLE
5 APPARATUS
5.1 Desiccator
5.2 Collection dish
5.3 Spectrophotometer
5.4 Water bath
5.5 Balance
5.6 Flasks
5.7 Volumetric flasks
5.8 Volumetric pipettes
5.9 Micro-burette
6 REAGENTS
6.1 General
6.2 Acetyl-acetone ammonium acetate solution
7 TEST PIECES
7.1 Preparation of test pieces
7.2 Conditioning
8 PROCEDURE
8.1 Preparing and loading the desiccator
8.2 Test conditions
8.3 Test duration
8.4 Background formaldehyde (blank test)
9 DETERMINATION OF FORMALDEHYDE
9.1 Collection and storage of formaldehyde test solution.
9.2 Procedure
9.3 Calculation of results
9.3.1 Formaldehyde concentration in the test solution
9.3.2 Formaldehyde air concentration in the desiccator
10 REPORT
APPENDIX A - ESTABLISHING THE FORMALDEHYDE CALIBRATION CURVE
A1 REAGENTS
A2 STANDARDIZATION OF FORMALDEHYDE STOCK SOLUTION
A2.1 Stock solution
A2.2 Standardization of stock solution
A3 ESTABLISHMENT OF THE STANDARD CALIBRATION CURVE
APPENDIX B - FORMALDEHYDE AIR CONCENTRATION IN THE DESICCATOR
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Related Information
Best Practice Guideline For Scaffolding In New Zealand
Ministry: Scaffolding and Rigging New Zealand
Section: 4.2.3 Planks
Citation context:Scaffolding platforms, erected to support workers and/or material are often made of planks. Refer to the following plank standards for quality criteria: … AS/NZS 4357 Structural laminated veneer lumber (LVL planks… Horizontally laminated planks should be
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AS/NZS 4357.4:2005 STRUCTURAL LAMINATED VENEER LUMBER - DETERMINATION OF FORMALDEHYDE EMISSIONS
PREFACE
CONTENTS
1 SCOPE
2 REFERENCED DOCUMENTS
3 DEFINITIONS
4 PRINCIPLE
5 APPARATUS
5.1 Desiccator
5.2 Collection dish
5.3 Spectrophotometer
5.4 Water bath
5.5 Balance
5.6 Flasks
5.7 Volumetric flasks
5.8 Volumetric pipettes
5.9 Micro-burette
6 REAGENTS
6.1 General
6.2 Acetyl-acetone ammonium acetate solution
7 TEST PIECES
7.1 Preparation of test pieces
7.2 Conditioning
8 PROCEDURE
8.1 Preparing and loading the desiccator
8.2 Test conditions
8.3 Test duration
8.4 Background formaldehyde (blank test)
9 DETERMINATION OF FORMALDEHYDE
9.1 Collection and storage of formaldehyde test solution.
9.2 Procedure
9.3 Calculation of results
9.3.1 Formaldehyde concentration in the test solution
9.3.2 Formaldehyde air concentration in the desiccator
10 REPORT
APPENDIX A - ESTABLISHING THE FORMALDEHYDE CALIBRATION CURVE
A1 REAGENTS
A2 STANDARDIZATION OF FORMALDEHYDE STOCK SOLUTION
A2.1 Stock solution
A2.2 Standardization of stock solution
A3 ESTABLISHMENT OF THE STANDARD CALIBRATION CURVE
APPENDIX B - FORMALDEHYDE AIR CONCENTRATION IN THE DESICCATOR
AS/NZS 4357.4:2005
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.