果汁中邻苯二甲酸酯类增塑剂的测定

Guangzhou Chemical Industry(2012)

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Abstract
建立了气相色谱质谱法(GC-MS)同时测定果汁中邻苯二甲酸酯类塑化剂的方法。用正己烷作为萃取剂萃取样品并用凝胶渗透色谱净化系统(GPC)净化,在最优条件下实现了15种邻苯二甲酸酯的同时分离与检测。回收为96.5%~103.8%,相对标准偏差为1.1%~3.3%。检出限为0.001~0.1 mg/L(RSN=3),方法操作简便,精密度高,准确性好,实用性强,用于实际样品果汁中的测定,结果满意。
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Key words
gas chromatograph/mass,plasticizer,juice,phthalate,determination
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