Abstract: A headspace gas chromatography-mass spectrometry (HS-GC-MS) method was developed for the determination of 10 residual volatile organic compounds (VOCs) in toys. The experimental conditions such as headspace temperature, headspace time and the analytical conditions of GC-MS were optimized. Toy samples were treated at 140 ℃ for 45 min, and then the evolved products were separated on a DB-624 column, determined by MS and quantified by external standard method. The recoveries were from 79% to 106% and the relative standard deviations (RSDs) were from 0.4% to 5.6%. The linear range was 0.001-2.0 μg with a good linear correlation coefficient (r＞0.9940) and the limits of quantification (LOQ) were less than 0.66 mg/kg. The method is accurate, simple, rapid, and is suitable for the analysis of residual VOCs in various toys.

Key words: toys, volatile organic compound, headspace gas chromatography-mass spectrometry (HS-GC-MS)