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See Chinese contents: GB/T 34436-2023 GB/T 34436-2023: Determination of formamide in toy materials -- High performance liquid chromatography-mass spectrometry
This document describes a method for the determination of formamide in toy materials using high performance liquid chromatograph-mass spectrometer. This document is applicable to the determination of formamide in foam materials such as ethylene-vinyl acetate copolymer (EVA), polyethylene (PE), chemically cross-linked polyethylene (XPE), and polyvinyl chloride (PVC) in toy products. It is used as a reference for the determination of formamide in other foam materials.
