1)  post-column derivation
柱后衍生系统
1.
Aflatoxin B_1 was extracted from samples by an advanced biological technique— immuno-affinity column and then determined by HPLC with post-column derivation.
采用先进的生物技术—免疫亲和柱提取样品中的黄曲霉素B1,利用柱后衍生系统和高效液相色谱法相结合,快速、准确地检测花生奶中的黄曲霉素B1的含量,检出限量可达5μg/kg,添加回收率在80%以上。
2)  Post-column derivatization
柱后衍生
1.
HPLC method by post-column derivatization and fluorometric detection for determination of an aminoglycoside residue in milk;
牛奶中氨基苷柱后衍生高效液相色谱法的建立
2.
Anion-exchange chromatography with post-column derivatization for the analysis of phytic acid in rice flour.;
柱后衍生离子色谱法分析米粉中植酸
3.
Determination of streptomycin residue in royal jelly by high performance liquid chromatography with post-column derivatization;
高效液相色谱柱后衍生法测定蜂王浆中的链霉素
3)  post column derivation
柱后衍生
1.
Determination of tetrodotoxin in aquatic products by post column derivation high performance liquid chromatography;
柱后衍生高效液相色谱法测定水产品中河豚毒素含量
4)  postcolumn reaction
柱后反应
1.
In the method the technique of fluorimetric measurement of cerium (Ⅲ) formed by a postcolumn reaction of cerium (Ⅳ) with the species of L ascorbic acid,sulfite and thiosulfate in the effluent is first used.
以离子色谱技术分离了维生素Ｃ、ＳＯ３２－和Ｓ２Ｏ３２－，并在该方法中首次采用了铈（Ⅳ）柱后反应和铈（Ⅲ）荧光检测；另给出了使用该方法的最佳实验条
5)  Kyphosis
脊柱后凸
1.
Posterior short segment fixation with pedicle screws and bone grafting in the treatment of child congenital kyphosis;
后路短节段椎弓根内固定加植骨融合治疗儿童先天性脊柱后凸
2.
Cause analysis of loss of correction after spine osteotomy in kyphosis;
脊柱后凸全脊椎截骨术后矫正度丢失原因分析
3.
The application of spinal osteotomy in kyphosis;
脊柱截骨术在脊柱后凸畸形中应用
6)  artichoke
柱后衍生
1.
A method for the separation and determination of the asparagine in artichoke by high performance liquidchromatography(HPLC) with post-column derivatization and fluorescence detection is described.
采用阳离子交换柱分离,荧光检测器检测,pH梯度洗脱,邻苯二甲醛-2巯基乙醇柱后衍生,成功分离、检测了朝鲜鲜蓟中的天冬酰胺。
2.
A method for the separation and determination of the asparagine in artichoke by high performance liquid chromatography (HPLC) with post-column derivatization and fluorescence detection is described.
采用阳离子交换柱分离,荧光检测器检测,pH 梯度洗脱,邻苯二甲醛-2巯基乙醇柱后衍生,成功分离、检测了朝鲜鲜蓟中的天冬酰胺。
参考词条
补充资料：柱后衍生光度法
分子式：
CAS号：

性质：液相色谱的一种检测方法，即在柱后流出液中加入反应试剂与待测物质反应，以便流出物可用光度法检测。要求显色反应完成速度快，流动相最好不影响反应。与其他衍生方法相比，具有反应灵敏性大的特点。但由于衍生试剂稀释了流出液，降低了检测的灵敏度。一般重金属和碱土金属离子的检出限大约为μg/L级。此法目前主要应用于金属离子和氨基酸中活性胺的检测。一般采用在线形式，适宜大量组成相同试样的例行分析。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。