二羟丙茶碱的分析报告.pdf
February 15,2012LCLCLCLC ApplicationApplicationApplicationApplication Lab,Lab,Lab,Lab,ShiseidoShiseidoShiseidoShiseido ChinaChinaChinaChinaNo.31,BDA International Business Park,2 Jing Yuan Street,BeijingEconomic Technological Development Zone,Beijing,China 100176Phone 010-6785-6801,FAX 010-6785-6882二羟丙茶碱与茶碱的分离二羟丙茶碱与茶碱的分离Fig1Minutes024681012mAU-2.50.02.55.07.510.0Fig2Minutes024681012mAU0.02.55.07.510.0Column:CAPCELLPAK MG 4.6 mm i.d.x 250 mm S-5;SPOLAR 4.6 mm i.d.x 250 mm S-5Mobile phase:A:7.3 mmol/L KH2PO4;B:MeoH;A:B=72:28Flow rate:1.0 mL/minOven temp.:35CDetection:UV 254 nmSample:5g/mL in H2OInjection vol:10L结果与讨论:尝试使用资生堂不同特性的碳十八色谱柱对含有二羟丙茶碱及茶碱的供试品进行分析,都未能分离。可能需要客户更改流动相条件或者使用其他不同分离性能的色谱柱来达到分离。其中,Fig.1 为 MG 的分离结果,Fig.2 为SPOLAR 的分离结果。以上王莎城田修