No.

Sampling volume/g

Original amount/mg

Added quantity/mg

Measured amount/mg

Sample recovery rate/%

Average recovery rate/%

RSD/%

1

2.5140

217.98

210

86.71

99.40

99.03

1.11

2

2.5089

220.93

88.06

98.70

3

2.5147

236.75

94.15

101.02

4

2.5102

222.35

88.58

98.41

5

2.5127

229.83

91.47

97.75

6

2.5110

228.32

90.93

98.91