ISO 16181-1:2021
Footwear — Critical substances potentially present in footwear and footwear components — Part 1: Determination of phthalate with solvent extraction
This document specifies a test method to determine the qualitative and quantitative presence of phthalate compounds (see Annex A) in footwear and footwear components.
NOTE 1 A list of relevant materials potentially containing phthalates can be found in ISO/TR 16178:2012, Annex A or in CEN/TR 16417.
NOTE 2 This test method can also be used to determine phthalates other than those listed in Annex A, subject to validation.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
5.1 Chemicals
5.2 Standard solutions
5.2.1 Target phthalates — Stock solution
5.2.2 Internal standard — Stock solution
5.2.3 Calibration solutions
5.2.4 Extraction solution with internal standard (optional)
6 Apparatus
7 Sampling
8 Test procedure
8.1 Extraction
8.1.1 Ultrasonic extraction
8.1.2 Alternative extraction procedure for PVC materials
8.1.3 Preparation of a method blank
8.2 Determination with GC-MS
9 Expression of results
9.1 Calibration curve
9.2 Determination of the phthalates content
9.2.1 For each phthalate
9.2.2 When a sum of phthalates is requested
9.3 Performance of the test method
10 Test report
Annex A (informative) Information on some identified phthalates
Annex B (informative) Information on some identified phthalates
Annex C (informative) Suitable gas chromatography-mass spectrometry (GC-MS) apparatus and detection limits for determination of phthalates
Annex D (informative) Results of the interlaboratories tests – Method using toluene extraction (8.1.1)
Annex E (informative) Example of a chromatogram for selected phthalates
Annex F (informative) Comparison of extraction of phthalates by using toluene and THF
Bibliography
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
5.1 Chemicals
5.2 Standard solutions
5.2.1 Target phthalates — Stock solution
5.2.2 Internal standard — Stock solution
5.2.3 Calibration solutions
5.2.4 Extraction solution with internal standard (optional)
6 Apparatus
7 Sampling
8 Test procedure
8.1 Extraction
8.1.1 Ultrasonic extraction
8.1.2 Alternative extraction procedure for PVC materials
8.1.3 Preparation of a method blank
8.2 Determination with GC-MS
9 Expression of results
9.1 Calibration curve
9.2 Determination of the phthalates content
9.2.1 For each phthalate
9.2.2 When a sum of phthalates is requested
9.3 Performance of the test method
10 Test report
Annex A (informative) Information on some identified phthalates
Annex B (informative) Information on some identified phthalates
Annex C (informative) Suitable gas chromatography-mass spectrometry (GC-MS) apparatus and detection limits for determination of phthalates
Annex D (informative) Results of the interlaboratories tests – Method using toluene extraction (8.1.1)
Annex E (informative) Example of a chromatogram for selected phthalates
Annex F (informative) Comparison of extraction of phthalates by using toluene and THF
Bibliography