HPLC法测定乳制品中三聚氰胺的质量控制图的应用.pdfVIP

比 往 国 子中 帽 口 盯 业 ILN M d - m m 盯 工 。 ; ⑩ zgrpgy@163.com HPLC法测定乳制晶中三聚氨朦的质量控制固的应用 倪睁飞，沈海丽，王雪 (元，锡市产品质量监督检验中心，江苏元，锡 214101) 摘 要:对实验室内测定乳制品中三聚氯肤的数据进行内部质量控制，保证检测结果控制在一个合适的直信水平内。采用液相色谱 仪结合国相萃取，通过分别对20 个批次的乳制品样品进行三聚氯接加标回收率的测定，然后经过数理统计，做出乳制品中三聚氯膀 的回收率质量控制圈。结果表明，三聚氯肤的受控限为回到←99.7% ，警戎限为 90.70/0-97.9，1，。质量控制图能直观和有效地控制高效 液相色谱测定乳制品中三聚氯膀的分析质量，保证分析结果的准确可靠。 关键词:质量控制图:高效液相色谱:乳制品;三聚氟成: 中固分类号:TS252.7 文献标识码:A 文章编号:1001-2230(2016)09-∞58-03 Application of quality control chart to the detection of melamine in dairy prod- ucts by HPLC NI Zheng一缸，SHEN Hai-li ,WANG Qin (Wuxi Test Center ofSupervision Inspection on Product Quality ,Wuxi 214101 ,China) Abstract: The intemal quality con缸。，1 in 也e laboratory detection of melamine in dairy products was conducted to ensure 也就也e detection resul也 could be within an appropriate confìdence level. Recoveries of standard additiQn were tested for 20 batches of dairy samples while high pe白rmance liquid chromatography(HPLC) was applied in combination with solid-phase extraction, and then mathematical statistics were used to work out 由e quality control chart of melamine. It was indicated 也就 the control limi臼 of melamine were 88助10 -99.7% with the warning limits of90.70/0-97到Ó. It revealed that the quality control chart could directly and effectively control the quality of the HPLC analy- sis in the detection of melamine in 也立y products so as to ensure its results accurate and reliable. Key words: quality control chart; HPLC; dairy products; melamine; 百