摘要
采用GB／T21926—2008《辐照含脂食品中2-十二烷基环丁酮测定气相色谱／质谱法》对辐照肉制品中的2-十二烷基环丁酮进行测定，鉴别辐照肉制品。样品用索氏抽提，经冷冻离心和弗罗里硅土层析净化，用气相色谱质谱联用法测定。2-十二烷基环丁酮的浓度在0．01～0．5mg／L与色谱峰面积呈良好的线性关系，r=0．9996。对未经辐照的样品进行加标回收试验，加标回收率为83．1％～94．0％，测定结果的相对标准偏差小于6％（n=6）。
Identification of irradiated meat products through the quantitative determination of 2-dodecylcyclobutanone by GB/ T 21926 was introuduced. The sample was pretreated by series of procedures such as soxhlet extraction, frozen centrifugation, purifica- tion by florisil chromatography, and then determined by GC - MS. In the range of 0.01 to 0.5 ms/L, the linear coefficient was 0.9996. The recovery rate was 83.1% -94.0% with RSD less than 6% （n =6）.
出处
《化学分析计量》
CAS
2010年第4期29-31,共3页
Chemical Analysis And Meterage
