2.6. HPLC detection method of HT

XW Xiaojing Wang
MW Mengru Wang
BW Bailin Wu
SY Shengyuan Yu
ZL Zaizhi Liu
XQ Xuyang Qin
HX Huijuan Xu
WL Wei Li
SL Sha Luo
LW Lijuan Wang
CM Chunhui Ma
SL Shouxin Liu
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HPLC analysis was accomplished with a 1260–6420 Triple Quad LC/MS (Agilent, USA). The SB-C18 column (4.6 mm × 150, 5 μm, Agilent Technologies, USA) was used as the chromatographic column. The mobile phase was composed of methanol (solvent A) and 0.1 % aqueous formic acid (solvent B). The duration of analysis was 19 min at isocratic conditions when mobile phase composition was 37 % of A and 63 % of B. The temperature of the column was maintained at 25 °C and the injection volume was set to 0.5 μL. The detection wavelength was 280 nm.

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