Toluenesulfonic Acid Isomers on Ultisil XS-C18

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Sample

No.Rt (min)Area (mAU*min)Height (mAU)Asymmetry (A|A)R(EP)Plate(EP)
110.2635.76237.8512.04n.a.29392
211.1073.99026.7681.443.5836552
311.5970.3332.3981.042.1643100
421.98326.059100.0881.7034.2052008
523.8131.9756.1122.254.4145469
639.25321.41870.3371.0433.26105182
740.32016.30552.000n.a.2.20109286
840.7571.1365.339n.a.n.a.n.a.
Total 76.977300.8939.5179.81 
ColumnUltisil® XS-C18(4.6×250mm,5μm)
Detection222
Temperature30 ℃
Flow Rate1 ml/min
Injection Volume10 µL

Mobile Phase

A: phosphoric acid solution( pH 2.0)

B: acetonitrile

Time(min)A(%)B(%)
0955
507228
50.1955

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