Zoekresultaten - 4 results
Chemical and toxciological characterization of e-liquid cigarettes
methods were developed for the quantitative determination of nicotine and its related impurities (HPLC- DAD) and for the flavours diacetyl and acetylpropionyl (HS / GC- MS). Also, screening methods were ...
Development and validation of a ultra-high-performance liquid chromatography-UV method for the detection and quantification of erectile dysfunction drugs and some of their analogues found in counterfeit medicines.
compared to the registered HPLC method for the assay of Viagra(®) which was considered as the reference method. The method is also compatible with on-line coupling mass spectrometry and will significantly ...
Impurity fingerprints for the identification of counterfeit medicines--a feasibility study.
analysed on a HPLC- UV system. A clear distinction has been obtained between genuine and illegal tablets by the mean of a discriminant partial least squares analysis of the log transformed chromatograms. ...
A validated ultra high pressure liquid chromatographic method for qualification and quantification of folic acid in pharmaceutical preparations.
the HPLC conditions of a validated method. These start conditions were tested on four different UHPLC columns: Grace Vision HT ™ C18-P, C18, C18- HL and C18-B (2 mm × 100 mm, 1.5 μm). After selection of ...