This standard specifies the determination method for the total amount of free formaldehyde extracted by hydrolysis. This standard applies to testing of textiles in any state. This method is suitable for textiles with free formaldehyde content between 20mg/kg and 3500mg/kg.
GB/T 2912.1-1998 history
2009GB/T 2912.1-2009 Textiles.Determination of formaldehyde.Part 1:Free and hydrolyzed formaldehyde(water extraction method)
1998GB/T 2912.1-1998 Textiles--Determination of formaldehyde--Part 1: Free and hydrolized formaldehyde (Water extraction method)