内标物(Internal Standard)是分析化学中用于提高检测精度和可靠性的重要参照物质。其核心作用在于校正误差、消除基质效应,并通
The Pyridinoline Internal standard (Int-Pyd) is designed for thedetermination of the recoveries of bone collagen crosslinks, pyridi-noline (PYD) and deoxypyridinoline (DPD) in the pretreatment of the samples prior to analysis by HPLC. The recoveries of PYD and DPD after pretreatment vary greatly...
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An internal standard reversed phase hplc method for the analysis of propoxur is described. Analysis is accomplished in 15 minutes. The propoxur content is determined by comparing the response for the propoxur peak to the response of n-butyrophenone which is incorporporated as an internal standard...
METHODS HPLC method with xenol as the internal standard was established to determine the content of KTP in receiver diffusion cell. 方法建立以联苯酚为内标的HPLC,测定接收液中酮洛芬的含量; www.zgyxzz.com.cn:8080 6. Die internal standard can be used for all of thermoplastic materials and rubber...
产品名称: Quidel 8006 HPLC Internal Standard 产品型号: 8006产品展商: Quidel产品文档: 无相关文档 简单介绍 Quidel 8006 HPLC Internal StandardQuidel 8006 HPLC Internal Standard 的详细介绍 购买Quidel产品请选择上海拜力。上海拜力生物科技有限公司是美国Quidel公司的中国区**代理商。我们将为您提供专业技术指导,...
本实验用HPLC内标法测定提取物中斑蝥素含量。 色谱条件: 色谱柱为Hypersil OSD2柱(250mmx4.6mm,5um大连伊利 特科学仪器有限公司)流动相为甲醇,浓度0.04mol/L的磷酸二 氢钾溶液(用磷酸条PH至3)=30:70,流速为1ml/min,检测波 长为230nm,柱温30摄氏度,进样量10um 试剂与仪器: Agilent1200高效液相...
1、内标法(Internal Standard Method)PPT主讲:袁诗芬 PPT制作:聂长钰 资料收集:丁凯达 何承蓉 左嫱目录123456分类内标物、校正因子注意事项内标法的特点内标法的应用实例概念与原理1.内标法的概念与原理 内标法是将一定重量的纯物质作为内标物加到一定量的被分析样品混合物中,根据测试样和内标物的质量比及其...
HPLC analysisblood serumA modified method for a qualitative and quantitative analysis of theophylline in small blood serum volume (40 l) was developed. According to this method, blood serum samples containing theobromine, as internal standard and caffeine from coffee consumption of the patients are ...
1.Determination of seven preservatives in foods by HPLC internal standard method;HPLC内标法同时测定食品中7种防腐剂的含量 2.Determination of DHA and EPA in milk powder and milky products by internal standard method and gas chromatography;气相色谱内标法测定奶粉及乳饮料中的DHA和EPA 3.Determina tion...