Author

Wei-Tun Chang

Observed names: W T Chang, W. T. Chang, W.-T Chang, W.-T. Chang, W.T. Chang, WEITUN CHANG, Wei-Tun CHANG

Institution: Central Police University

Observed institutions: Central Police University, Chung Yuan Christian University, University of Alabama at Birmingham

ORCID: 0000-0002-4932-5565

Observed ORCID: 0000-0002-4932-5565

OpenAlex ID: A5068214322

Surface Modifications of Expanded Poly(tetrafluoroethylene) Sheets Assisted by CO2 Antenna Coupling Microwave Plasma

2000 · Y. W. Chen-Yang, J. D. Liao, et al. · Macromolecules · 36

Studies on the Concentrations of Arsenic, Selenium, Copper, Zinc and Iron in the Hair of Blackfoot Disease Patients in Different Clinical Stages

1994 · C. T. Wang, W. T. Chang, et al. · Clinical Chemistry and Laboratory Medicine (CCLM) · 34

Concentrations of calcium, copper, iron, magnesium, potassium, sodium and zinc in adult female hair with different body mass indexes in Taiwan

2005 · Chin-Thin Wang, Wei-Tun Chang, et al. · Clinical Chemistry and Laboratory Medicine (CCLM) · 33

Isotopic analogs as internal standards for quantitative analyses by GC/MS — evaluation of cross-contribution to ions designated for the analyte and the isotopic internal standard

2001 · W.-T Chang, D.-L Lin, et al. · Forensic Science International · 27

Chemical Derivatization and the Selection of Deuterated Internal Standard for Quantitative Determination—Methamphetamine Example*

2000 · Dong-Liang Lin, Wei-Tun Chang, et al. · Journal of Analytical Toxicology · 24

Isotopic Analogues as Internal Standards for Quantitative Analyses of Drugs and Metabolites by GC-MS--Nonlinear Calibration Approaches

2001 · T. C. Whiting, R. H. Liu, et al. · Journal of Analytical Toxicology · 19

Concentrations of Calcium, Copper, Iron, Magnesium, and Zinc in Young Female Hair with Different Body Mass Indexes in Taiwan

2005 · Chin-Thin Wang, Wei-Tun Chang, et al. · Eisei kagaku · 13

A novel approach to evaluate the extent and the effect of cross-contribution to the intensity of ions designating the analyte and the internal standard in quantitative GC-MS analysis

2008 · Bud-Gen Chen, Chiung Dan Chang, et al. · Journal of the American Society for Mass Spectrometry · 12

Concentrations of Potassium, Sodium, Magnesium, Calcium, Copper, Zinc, Manganese and Iron in Black and Gray Hairs in Taiwan

2000 · Yung-Yueh Tsai, Chin-Thin Wang, et al. · Eisei kagaku · 11

Isotopic Analogs as Internal Standards for Quantitative GC/MS Analysis—Molecular Abundance and Retention Time Difference as Interference Factors

2002 · Wei-Tun Chang, Jaimie Smith, et al. · Journal of Forensic Sciences · 9

Concrete at temperatures above 1000°C

1994 · Wei-Tun Chang, Chen-Then Wang, et al. · Fire Safety Journal · 8

A critical evaluation of spectral library searching for the application of automotive paint database

2003 · Wei-Tun Chang, Chi-Chung Yu, et al. · 7

Comparison of Embedding Methods used in Examining Cross-sections of Automotive Paints with Micro-Fourier Transform Infrared Spectroscopy

2002 · Wei-Tun Chang · 7

Mechanistic Studies on the Use of 2H- and 13C-Analogues as Internal Standards in Selected Ion Monitoring GC-MS Quantitative Determination—Butalbital Example

2001 · Wei-Tun Chang, Ray H. Liu · Journal of Analytical Toxicology · 7

Methanol concentration as a preceding eliminative marker for the authentication of Scotch Whiskies in Taiwan

2022 · Hsiao-Wen Huang, Wei-Tun Chang · Forensic Science International · 5

δ13C-Ethanol as a Potential Exclusionary Criterium for the Authentication of Scotch Whiskies in Taiwan: Normal vs. 3-Parameter Lognormal Distributions of δ13C-Ethanol Found in Single Malt and Blended Scotch Whiskies

2023 · Hsiao-Wen Huang, Wei-Tun Chang · Beverages · 4

The use of calibration approaches for quantitative GC/MS analysis-secobarbital example

2006 · Yu‐Hung Wu, Wei-Tun Chang, et al. · 4

Analyte/Internal Standard Ion-Pair Intensity Ratio in the Quantitative Determination of Methamphetamine in Urine-The Intensity Factor

2002 · Wei-Tun Chang, Chin-Then Wang, et al. · Analytical Sciences/Supplements Proceedings of IUPAC International Congress on Analytical Sciences 2001 (ICAS 2001) · 3

Determination of Trace Elements in Hair Specimens of Workers in Paint Factory.

1997 · Yung-Yueh TSAI, Chin-Thin WANG, et al. · Analytical Sciences · 3

Determination of Organic Acids in Natural and Processed Foods by Isotacophoresis.

1994 · CHINETHIN WANG, WEITUN CHANG, et al. · Eisei kagaku · 3

Variations in the Concentrations of Cu and Zn and in the Ratio of Cu to Zn in Whole Blood and Hair Samples from Hepatocellular Carcinoma Patients and from Healthy Controls in Taiwan

2008 · Chin-. Thin. Wang, K. C. Huang, et al. · Spectroscopy Letters · 2

Looking into Some Basic Properties of Accelerants in Fire Residures for Higher Performance in Arson Analysis

2003 · Yun‐Seng Giang, Wei-Tun Chang, et al. · 2

A novel application of pyrolysis-gas chromatography to the differentiation of photocopiers

2003 · W.-T. Chang, C.-W. Huang, et al. · 2

The Identification of Burnt Matches by Scanning Electron Microscopy/Energy Dispersive X-ray Spectrometry

2007 · Yueh-Hsiang Chen, Wei-Tun Chang · 1

Two Pretreatment of Expanded Polytetrafluoroethylene Sheet for the Cross-section Determination of Grafted Structures by SEM and FTIR Microscopy

2002 · Wei-Tun Chang, Jenn-Yu Kau, et al. · Analytical Sciences/Supplements Proceedings of IUPAC International Congress on Analytical Sciences 2001 (ICAS 2001) · 1

Works count: 31

Citation count: 277

H-index: 9

I10-index: 9