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See Chinese contents: GB/T 33285-2016 GB/T 33285-2016: Leather and fur -- Chemical tests -- Determination of nonylphenol and nonylphenol ethoxylates
This Standard specifies the determination method - gas chromatography-mass spectrometry (GC-MS) for the contents of nonylphenol and nonylphenol ethoxylates in leather and fur. This Standard is applicable to the determination for octylphenol and octylphenol polyoxyethylene ether content in leather and fur. This Standard is applicable to various leathers, furs and their products.
