建立了防火涂料中阻燃剂六溴环十二烷(HBCD)的气相色谱-质谱(GC-MS)分析方法.样品用二氯甲烷进行萃取,萃取液经有机滤膜过滤后,用气相色谱-质谱联用仪进行测定.在选择离子检测模式下以m/z 157、239、319、401为定性离子,m/z 239为定量离子进行结构确证和定量检测.在优化的实验条件下,六溴环十二烷标准溶液在5 ~ 100 mg/L的质量浓度范围内线性关系良好,相关系数大于0.999.对市售的空白丙烯酸树脂涂料样品及环氧树脂涂料样品进行加标回收试验,结果表明本方法的平均回收率为92.9%~116.3%,RSD不超过8%.方法的检出限(S/N=3)为30μg/g,定量限(S/N=10)为100μg/g.本方法简便、快速、准确性好、精密度高,能够满足检测工作的实际要求.
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