This standard specifies the gas chromatography-mass spectrometry detection method for 1,4-butanediol in toy materials. This standard is applicable to the detection and confirmation of 1,4-butanediol in toy plastics.
SN/T 3251-2012 history
2012SN/T 3251-2012 Determination of 1,4-butanediol in toy material.Gas chromatography-mass spectrometry method