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2-Hydroxybiphenyl (BSTFA derivatized) detected in biphenyl oxidation by Fe/Pd NP immobilized PVDF-PAA membranes (peak 1). (A) Mass spectrum (Selected ion: 227); (B) Chromatograph of BSTFA/Pyridine; (C) Chromatograph of sample; (D) Chromatograph of 2-hydroxybiphenyl standard. Peak 2 and 3 indicate 3- and 4- hydroxybiphenyl, respectively (see supporting information Figure S2).
