|本期目录/Table of Contents|

[1]胡阳,倪辉,吴光斌,等.高效液相色谱法测定乳制品中三聚氰胺的含量[J].集美大学学报(自然科学版),2010,15(1):36-38.
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高效液相色谱法测定乳制品中三聚氰胺的含量(PDF)
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《集美大学学报(自然科学版)》[ISSN:1007-7405/CN:35-1186/N]

卷:
第15卷
期数:
2010年第1期
页码:
36-38
栏目:
水产科学与生物工程
出版日期:
2010-01-25

文章信息/Info

Title:
-
作者:
胡阳倪辉吴光斌彭爱红蔡慧农
(集美大学生物工程学院,福建 厦门 361021)
Author(s):
-
关键词:
高效液相色谱三聚氰胺乳制品
Keywords:
high-performance liquid chromatographic methodmelaminedairy products
分类号:
-
DOI:
-
文献标志码:
-
摘要:
]为建立乳制品中三聚氰胺含量的高效液相色谱测定方法,通过超声提取,离子交换萃取小柱净化,结合高效液相色谱进行样品测定.色谱条件:Eclipse XDB-C18柱(5 μm,4.6 mm×150 mm,Agilent);流动相:A为离子对缓冲液(1.05 g柠檬酸和1.01 g辛烷磺酸钠定容至500 mL,pH值为2.6),B为乙腈,配制比例为90 %A+10 %B,流速1.0 mL/min,柱温30 ℃,进样量20 μL,检测波长240 nm.结果表明:三聚氰胺标准曲线为y=0.009 x+0.362 7,相关系数R=0.999 8,在0.17~110.0 mg/L范围内线性关系良好,方法检出限为0.12 mg/L,两个样品三个水平的加标回收率分别为96.34 %(RSD=4.76)、84.86 %(RSD=7.21)、104.29 %(RSD=7.63)和95.31 %(RSD=4.39)、89.25 %(RSD=3.88)、92.59 %(RSD=5.27)
Abstract:
To set up a quantitative high-performance liquid chromatographic method for the simultaneous determination of melamine in dairy products,an RP-HPLC method was set up,using Eclipse XDB-C18 column(5 μm,4.6 mm×150 mm,Agilent),ion-pair buffer(pH=2.6):acetonitrile =90∶10 as mobile phase with a flow rate of 1.0 mL/min at the detection wavelength of 240 nm.The calibration curve was linear in the range of 0.17~110.0 mg/L for melamine (R=0.999 8).The addition recoveries of two samples were 96.34 %(RSD=4.76), 84.86 %(RSD=7.21),104.29 %(RSD=7.63) and 95.31 %(RSD=4.39),89.25 %(RSD=3.88),92.59 %(RSD=5.27)respectively

参考文献/References:

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更新日期/Last Update: 2014-06-28