当前位置:首页 > 资讯 > 茶叶知识> 正文

丹参片中丹参素和原儿茶醛的HPLC测定法

2021-02-21 12:06:01热度:164°C

应用反相高效液相色谱法测定了丹参片中丹参素和原儿醛的含量。以十八烷基硅烷键合硅胶为填充剂;甲-0.5%醋酸为流动相;对羟基苯甲酸作内标;检出波长为281mm;按内标法定量。半斤茶叶宣城卖茶叶

相关文章

SQL Error: select id,classid,MATCH(title) AGAINST('21041846 18463812 38125448 54482104 21041846 18464356 43562645 26455213 52132289 22891872 18724009' IN BOOLEAN MODE) as jhc from ***_enewssearchall where (id<>206603) and MATCH(title) AGAINST('21041846 18463812 38125448 54482104 21041846 18464356 43562645 26455213 52132289 22891872 18724009' IN BOOLEAN MODE) order by jhc desc,infotime desc limit 0, 6