Haiping Qi

Two new organic reference materials for <i>δ</i> ¹³ C and <i>δ</i> ¹⁵ N measurements and a new value for the <i>δ</i> ¹³ C of NBS 22 oil

Haiping Qi, Tyler B. Coplen, Heike Geilmann et al. · Rapid Communications in Mass Spectrometry · 2003 · 254 citations

Natural Sciences, Biochemistry, Chemistry +13

Comprehensive inter‐laboratory calibration of reference materials for <i>δ</i> ¹⁸ O versus VSMOW using various on‐line high‐temperature conversion techniques

Willi A. Brand, Tyler B. Coplen, A.T.M. Aerts et al. · Rapid Communications in Mass Spectrometry · 2009 · 189 citations

Natural Sciences, Chemistry, Analytical Chemistry +15

Organic Reference Materials for Hydrogen, Carbon, and Nitrogen Stable Isotope-Ratio Measurements: Caffeines, <i>n</i>-Alkanes, Fatty Acid Methyl Esters, Glycines, <scp>l</scp>-Valines, Polyethylenes, and Oils

Arndt Schimmelmann, Haiping Qi, Tyler B. Coplen et al. · Analytical Chemistry · 2016 · 187 citations · Full text

Natural Sciences, Biochemistry, Chemistry +14

A ratiometric fluorescent probe for fluoride ion employing the excited-state intramolecular proton transfer

Xiao‐Feng Yang, Haiping Qi, Liping Wang et al. · Talanta · 2009 · 119 citations

Natural Sciences, Biophysics, Chemistry +14

On-Line Hydrogen-Isotope Measurements of Organic Samples Using Elemental Chromium: An Extension for High Temperature Elemental-Analyzer Techniques

Matthias Gehre, Julian Renpenning, Tetyana Gilevska et al. · Analytical Chemistry · 2015 · 101 citations · Full text

Natural Sciences, Chemistry, Analytical Chemistry +15