Solfrid Hegstad

Publication Activity (10 Years)

Years Active: 2020-2024
Publications (10 Years): 7

Top Topics

Solid Phase Extraction

Gas Chromatography

Ultra High Performance Liquid Chromatography

Top Venues

Drug testing and analysis

Analytical and bioanalytical chemistry

This page only lists publications with an associated author ORCID identifier.

Publications

Miriam Hansen, Hilde Havnen, Trine Naalsund Andreassen, Olav Spigset, Solfrid Hegstad
Quantitative determination of R/S-methadone in human serum using ultra-high performance supercritical fluid chromatography-tandem mass spectrometry: A method for routine use. Drug testing and analysis (2024)
Miriam Hansen, Hilde Havnen, Trine Naalsund Andreassen, Olav Spigset, Solfrid Hegstad
Quantitative determination of R/S-methadone in human serum using ultra-high performance supercritical fluid chromatography-tandem mass spectrometry: A method for routine use. Drug testing and analysis 16 (7) (2024)
Miriam Hansen, Hilde Havnen, Trine Naalsund Andreassen, Olav Spigset, Solfrid Hegstad
Quantitative determination of R/S-methadone in human serum using ultra-high performance supercritical fluid chromatography-tandem mass spectrometry: A method for routine use. Drug testing and analysis 16 (7) (2024)
Tonje Gottenberg Skaalvik, Elisabeth Leere Øiestad, Stig Pedersen-Bjergaard, Solfrid Hegstad
Determination of amphetamine enantiomers in urine by conductive vial electromembrane extraction and ultra-high performance supercritical fluid chromatography tandem mass spectrometry. Drug testing and analysis (2023)
Tonje Gottenberg Skaalvik, Chen Zhou, Elisabeth Leere Øiestad, Solfrid Hegstad, Roger Trones, Stig Pedersen-Bjergaard
Conductive vial electromembrane extraction of opioids from oral fluid. Analytical and bioanalytical chemistry (2023)
Tonje Gottenberg Skaalvik, Elisabeth Leere Øiestad, Stig Pedersen-Bjergaard, Solfrid Hegstad
Determination of amphetamine enantiomers in urine by conductive vial electromembrane extraction and ultra-high performance supercritical fluid chromatography tandem mass spectrometry. Drug testing and analysis (2023)
Hilde Havnen, Miriam Hansen, Olav Spigset, Solfrid Hegstad
Enantiomeric separation and quantification of R/S-amphetamine in serum using semi-automated liquid-liquid extraction and ultra-high performance supercritical fluid chromatography-tandem mass spectrometry. Drug testing and analysis 12 (9) (2020)