ISO 14184-2:2011 specifies a method for determining the amount of formaldehyde released under the conditions of accelerated storage from textiles in any form by means of a vapour absorption method. The procedure is intended for use in the range of releasable formaldehyde on the fabric between 20 mg/kg and 3 500 mg/kg when determined by this method. The lower limit is 20 mg/kg. Below this limit, the result is reported as "not detectable". A method for determination of free formaldehyde and formaldehyde extracted partly through hydrolysis in aqueous solution is given in ISO 14184-1:2011.
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Sisällysluettelo
Foreword
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Preparation of standard solution and calibration
6.1 Preparation
6.2 Dilution
7 Preparation and conditioning of test specimens
8 Procedure
9 Calculation
10 Test report
Annex A Standardization of formaldehyde stock solution (normative)
Annex B Alternative procedure using chromotropic acid (informative)
Annex C Information on accuracy of the test (informative)
ISO 139:2005 Textiles -- Standard atmospheres for conditioning and testing
ISO 3696:1987 Water for analytical laboratory use -- Specification and test methods
ISO 139:2005 Textiles -- Standard atmospheres for conditioning and testing
ISO 3696:1987 Water for analytical laboratory use -- Specification and test methods