摘要
应用高效液相色谱法测定生活用纸中13种丙烯酸酯类化合物的残留量。样品以甲醇-异丙醇(1+2)混合液超声提取15min,以Zorbax Extend-C18色谱柱(250mm×4.6mm,5μm)为固定相,用乙腈和水以不同比例混合的溶液为流动相进行梯度洗脱,在检测波长210nm处进行测定。13种丙烯酸酯类化合物的质量浓度均在0.1~2.0mg·L-1范围内与其峰面积呈线性关系,方法的检出限(3S/N)在0.14~0.57mg·kg-1之间。以空白样品为基体进行加标回收试验,所得回收率在80.2%~104%之间,测定值的相对标准偏差(n=6)在3.3%~7.4%之间。
HPLC was applied to the determination of residual amounts of 13 acrylic esters in living paper products.The sample was extracted ultrasonically with a mixture of methanol and isopropanol(1+2)for 15 min.Zorbax Extend-C18 chromatographic column(250mm×4.6mm,5μm)was used as stationary phase with mixtures of acetonitile and water with different mixing ratios as mobile phase in gradient elution.UV-detection at 210 nm was adopted in the determination.Linear relationships between values of peak area and mass concentration of 13 acrylic esters were kept in the same range of 0.1-2.0 mg·L-1,with detection limits(3S/N)in the range of 0.14-0.57mg·kg-1.On the base of blank sample,test for recovery was made by standard addition method;values of recovery found were in the range of 80.2%-104%,with RSD′s(n=6)in the range of 3.3%-7.4%.
出处
《理化检验（化学分册）》
CAS
CSCD
北大核心
2015年第2期168-171,共4页
Physical Testing and Chemical Analysis(Part B:Chemical Analysis)
基金
国家质检总局自筹科研项目(2013Qk140)
