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See Chinese contents: GB/T 2912.1-2009 GB/T 2912.1-2009: Textiles -- Determination of formaldehyde -- Part 1: Free and hydrolyzed formaldehyde (water extraction method)
This Part of GB/T 2912 specifies a method for determining the amount of free formaldehyde extracted through water extraction method and partly through hydrolysis. This Part is applicable to the textile samples in any form. This Part is applicable to the textiles with free formaldehyde content between 20mg/kg~3500 mg/kg. The lower limit is 20 mg/kg. Below this limit the result is reported as.
