Keyphrases
High Performance Liquid Chromatography-tandem Mass Spectrometry (HPLC-MS/MS)
100%
Natural Water
100%
Pterosin
100%
Ptaquiloside
100%
Preconcentration
40%
Bracken
40%
Degradation Products
20%
Ammonium Acetate
20%
Plant Material
20%
Buffer System
20%
Water Leaching
20%
Groundwater Samples
20%
Storing Conditions
20%
Liquid Chromatography
20%
Method Detection Limit
20%
High Purity
20%
Solid-phase Extraction
20%
Sample Preparation
20%
Analytical Standards
20%
Environmental Water Samples
20%
1H nuclear Magnetic Resonance (1H NMR)
20%
Mobile Phase
20%
Repeatability
20%
MS Method
20%
Carcinogen
20%
Chemical Analysis
20%
In Situ
20%
Gradient Elution
20%
Water Samples
20%
Raw Water
20%
Chemistry
Tandem Mass Spectrometry
100%
Ptaquiloside
100%
Preconcentration
40%
1H NMR Spectroscopy
20%
Mobile Phase Composition
20%
Gradient Elution
20%
Ammonium Acetate
20%
Buffer Solution
20%
Solid-Phase Extraction
20%
Degradation Product
20%
Liquid Chromatography
20%