Table 6: HPLC observation of test sample with standard.

Serial numberRetention time (min)Area (mV·s)Height (mV)Area (%)Height (%)WO5 (min)

012.590302.08716.5459.96.20.19
023.0832609.617247.28485.592.80.16
033.943142.2062.5234.70.91.37

Total3053.911266.352100.0100.0

Retention time of test: 2.590 min; retention time of standard: 2.600 min.