Girard reagent purification coupled with hollow-fiber-based stirring liquid microextraction followed by HPLC with diode array detection for determination of naphthoquinones in Qing Long Yi
期刊论文
摘要:
Naphthoquinones all with carbonyl groups may react with the Girard reagent (GR) to form a water-solu...
Solid-phase extraction followed by gas chromatography-mass spectrometry for the quantitative analysis of semi-volatile hydrocarbons in hydraulic fracturing wastewaters
期刊论文
摘要:
A versatile method was developed for the quantitative analysis of semi-volatile linear aliphatic hyd...
Solid phase microextraction–comprehensive two-dimensional gas chromatography–time-of-flight mass spectrometry: a new tool for determining PAHs in airport runoff water samples
Mean centering of ratio spectra for colorimetric determination of morphine and codeine in pharmaceuticals and biological samples using melamine modified gold nanoparticles
期刊论文
摘要:
Driven by the need to detect narcotics, a new and simple colorimetric assay is presented for the sen...
Vortex-assisted dispersive liquid–liquid microextraction for the determination of molybdenum in plants by inductively coupled plasma optical emission spectrometry
期刊论文
摘要:
A new procedure for determining trace concentrations of Mo in plants combining dispersive liquid芒鈧€...
Headspace solid-phase microextraction (HS-SPME) coupled with gas chromatography-mass spectrometric (GC-MS) analysis of volatile profiles during the stir-frying process of malt
期刊论文
摘要:
The purpose of this study was to analyze the relationship between volatile profile variations of mal...