Evaluation of GC-ICP-MS/MS as a New Strategy for Specific Hetero-Atom Detection of Phosphorus, Sulfur, and Chlorine Determination in Foods Jenny Nelson, Helene Hopfer, Fabio Silva, Steve Wilbur, Jian-min Chen, Kumi Shiota Ozawa, and Philip Wylie Journal of Agricultural & Food Chemistry 2015 63(18): 4478–4483