Improved dispersive liquid–liquid microextraction based on the solidification of floating organic droplet method with a binary mixed solvent applied for determination of nicotine and cotinine in urine
期刊论文
摘要:
A fast, simple and environmentally friendly method to determine nicotine and cotinine in urine has b...
Analysis of N-methylpyrrolidine in cefepime hydrochloride by ion chromatography using suppressed conductivity detection with solid-phase extraction pre-treatment
期刊论文
摘要:
N-Methylpyrrolidine (NMP) is the principal hydrolysis product of cefepime hydrochloride, a 脦虏-lactam...
Qualitative and quantitative evaluation of Microctis Folium (the leaves of Microcos paniculata L.) by high performance liquid chromatography coupled with diode array detection and electrospray ionization tandem mass spectrometry
期刊论文
摘要:
Microctis Folium (MF), the leaves of Microcos paniculata L., which is widely used as a traditional C...
HPLC-UV and HPLC-ESI+-MS/MS analysis of free monomeric methylene diphenyl diisocyanate in polyurethane foams and prepolymers after stabilization with NBMA a new derivatizating agent
期刊论文
摘要:
The total amount of residual free monomeric methylene diphenyl diisocyanate, fmMDI, in polyurethane ...