GB/T 43574-2023 Determination of heavy metal content in chemical fibers by inductively coupled plasma optical emission spectrometry and inductively coupled plasma mass spectrometry (English Version)
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 43574-2023
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2023GB/T 43574-2023 Determination of heavy metal content in chemical fibers by inductively coupled plasma optical emission spectrometry and inductively coupled plasma mass spectrometry