in previous reports a direct thin-layer chromatographic method ( tlc ) for the determination of prostaglandins ( pg ) e2 , a2 , b2 and f2 alpha and a high-performance liquid chromatographic method ( hplc ) for the determination of pge2- , pga2- and pgb2- descendants and for stability studies of pge2-descendant in pharmaceutical preparations were described in this paper the described hplc method and a newly developed technique based on ion-pair hplc are given for the simultaneous determination of pge2 , pga2 and pgb2 and for the stability studies of pge2 in pharmaceutical preparations .
C0033554
pg
C0012472
pge2