Extended Data Fig. 3: Mass chromatograms and spectra for six OPFR transformation products in OFR laboratory samples and GAPS–MC field samples.
From: Uncovering global-scale risks from commercial chemicals in air
This information is used in the identification of: a, TCEP-1; b, TCEP-10; c, TCEP-21; d, TCPP-9; e, TCPP-21; and f, TCPP-38. Detailed product information—including chemical formulae, retention times, measured m/z values, isotopic ratios, detection frequencies and concentrations—is summarized in Supplementary Tables 2, 4.
