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STANDARD 14184-3
First edition
2023-12
Textiles — Determination of
formaldehyde —
Part 3:
Free and hydrolysed formaldehyde
(extraction method) by liquid
chromatography
Textiles — Dosage du formaldéhyde —
Partie 3: Formaldéhyde libre et hydrolysé (méthode par extraction)
par chromatographie liquide
Reference number
ISO 14184-3:2023(E)
© ISO 2023
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ISO 14184-3:2023(E)
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© ISO 2023
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Published in Switzerland
ii
© ISO 2023 – All rights reserved
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ISO 14184-3:2023(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Conformity . . 1
5 Principle . 1
6 Reagents . 2
7 Apparatus . 3
8 Preparation of test specimen . 3
9 Procedure .3
9.1 Formaldehyde stock solution . . 3
9.1.1 Preparation of formaldehyde stock solution . 3
9.1.2 Determination of the formaldehyde concentration in the stock solution . 4
9.2 Determination of formaldehyde . 4
9.2.1 Calibration of LC . 4
9.2.2 Extraction of the test specimen . 5
9.2.3 Derivatization with DNPH and analysis . 5
10 Expression of results . 6
10.1 Calculation of the formaldehyde content in textile test specimen . 6
10.2 Spiking — Determination of recovery rate .
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