Parameter Control Treated
T1 T2 T3 T4
Peak intensity at m/z=244 (PM) 93.45 57.42 89.16 72.87 71.08
Peak intensity at m/z=245 (PM+1) 38.17 11.47 22.58 14.51 13.81
Ration of peak intensity [(100 × (PM+1/PM)] 40.845 19.976 25.325 19.912 19.429
Carbon isotopic abundance (δ13C ‰) with respect to control   -510.9 -380.0 -512.5 -524.3
Table 3: GC-MS isotopic abundance analysis of triphenylmethane. PM: Primary molecule (triphenylmethane).