Abstract
A very simple gradient elutionTlc system for the separation of some common fatty excipients of rather varying polarities in one run is presented. WhenHptlc precoated plates are used, run times are as short as 10 minutes. The system is useful as a simple quality control for fatty excipients, ointment bases and complete ointments. Een eenvoudig dunnelaag-chromatografisch systeem met gradient-elutie voor de bepaling van enkele veel gebruikte vette hulpstoffen wordt beschreven. MetHptlc precoated plates kunnen Stoffen van uiteenlopende polariteit in een gang, binnen 10 minuten, worden gescheiden. Het systeem is bruikbaar voor eenvoudige kwaliteitscontrole van vette excipienten, zalfbases en zalven.
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