分子印迹固相萃取技术-高效液相色谱法测定奶制品和饲料中三聚氰胺含量; HPLC Determination of Melamine in Dairy Products and Feed with Molecularly Imprinted Solid Phase Extraction | |
黄华斌 ; 庄峙厦 ; 赵丽 ; 吕靖 ; 陈咏芹 | |
2014-10-18 | |
关键词 | 高效液相色谱法 分子印迹固相萃取 三聚氰胺 奶制品 饲料 HPLC Molecular imprinted polymer Sdid phase extraction Melamine Dairy products Feed |
英文摘要 | 以三聚氰胺为模板分子制备了三聚氰胺分子印迹聚合物(MIP),并将此聚合物装入自制的漏斗型固相萃取柱(SPE),制成对三聚氰胺有特异分子识别能力的SPE小柱。称取样品溶液10Ml,以0.5Ml·MIn-1速率流经SPE小柱,依次用水和甲醇-水(1+1)混合液各5Ml淋洗小柱后,用甲醇-氨水(95+5)混合液8Ml自然洗脱,将洗脱液吹氮蒸干,用甲醇1Ml溶解残渣,所得溶液用于高效液相色谱分析。选用InErTSIl OdS-SP C18色谱柱及(A)PH 3.0的10MMOl·l-1辛烷磺酸钠-10MMOl·l-1柠檬酸混合溶液和(b)乙腈以90比10比例相混的混合液作为流动相进行色谱分离。检测波长为240nM。在3个浓度水平进行回收试验,测得回收率在89.0%~97.0%之间。; Melamine was used as pattern plate in the preparation of melamine moleculary imprinted polymer(MIP),which was packed into the self-made funnel-like solid phase extraction(SPE)micro-column,to form a MIPSPE microcolumn having selective adsorptive property toward melamine.10 mL of the sample solution was passed through the micro column at a flow-rate of 0.5mL·min-1.After rinsing the column with 5mL each of H2 O and mixture of CH3 OH and H2O(1+1)in succession,the column was eluted with 8mL of mixture of CH3 OH and aq.NH3(95+5),and the eluate was evaporated to dryness by N2-blowing.The residue was dissolved with 1.00 mL of CH3 OH,which was used for HPLC analysis.LC separation was performed by using Inertsil ODS-SP C18 column as stationary phase,and using a mixture of(A)mixed solution of 10 mmol·L-1 sodium octane sulfonate and10mmol·L-1 citric acid(pH 3.0)and(B)acetonitrile(mixed in the volumic ratio of 90+10)as mobile phase.UV-detection at 240 nm was adopted in the determination.Recovery was tested by standard addition method at 3concentration levels,values of recovery found were ranged from 89.0%to 97.0%.; 厦门市科技计划项目(3502Z20110018) |
语种 | zh_CN |
内容类型 | 期刊论文 |
源URL | [http://dspace.xmu.edu.cn/handle/2288/106959] ![]() |
专题 | 化学化工-已发表论文 |
推荐引用方式 GB/T 7714 | 黄华斌,庄峙厦,赵丽,等. 分子印迹固相萃取技术-高效液相色谱法测定奶制品和饲料中三聚氰胺含量, HPLC Determination of Melamine in Dairy Products and Feed with Molecularly Imprinted Solid Phase Extraction[J],2014. |
APA | 黄华斌,庄峙厦,赵丽,吕靖,&陈咏芹.(2014).分子印迹固相萃取技术-高效液相色谱法测定奶制品和饲料中三聚氰胺含量.. |
MLA | 黄华斌,et al."分子印迹固相萃取技术-高效液相色谱法测定奶制品和饲料中三聚氰胺含量".(2014). |
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