PAX是以阴离子交换混合机理水可浸润型聚合物为基质的萃取小柱  在PH0-14范围内都很稳定。用于提取生物基质的酸性化合物及其代谢产物。  应用于GBT23412-2009蜂蜜中19种喹诺酮类药物残留量的测定  奶粉中香兰素的测定  有需要联系我13335089103  低价出售啦！[img=,690,920]https://ng1.17img.cn/bbsfiles/images/2018/07/201807191100461303_4463_3377906_3.jpg!w690x920.jpg[/img][img=,690,920]https://ng1.17img.cn/bbsfiles/images/2018/07/201807191100464793_7107_3377906_3.jpg!w690x920.jpg[/img][img=,690,920]https://ng1.17img.cn/bbsfiles/images/2018/07/201807191100461303_4463_3377906_3.jpg!w690x920.jpg[/img][img=,690,920]https://ng1.17img.cn/bbsfiles/images/2018/07/201807191100464793_7107_3377906_3.jpg!w690x920.jpg[/img]