Elimination of interferences caused by simultaneous use of deuterated and carbon-13 standards in GC-MS analysis of polycyclic aromatic hydrocarbons (PAHs) in extracts from passive sampling devices
期刊论文
摘要:
Two types of isotope-labelled reference compounds are typically used for the passive sampling of pol...
Chromatographic fingerprint coupled with hierarchical clustering analysis and principal component analysis for quality evaluation and original discrimination of rhizomes of Helleborus thibetanus Franch by HPLC-DAD
期刊论文
摘要:
We developed an HPLC-based fractionation procedure coupled with hierarchical clustering and principa...
Extraction and determination of parabens in water samples using an aqueous two-phase system of ionic liquid and salts with beta-cyclodextrin as the modifier coupled with high performance liquid chromatography
期刊论文
摘要:
In this study, two methods have been applied to the extraction of parabens from aqueous solution the...