Skip to main content

Table 4 Results of precision, repeatability and stability of the three analytes, expressed as RSD (%)

From: Quality assessment on Polygoni Multiflori Caulis using HPLC/UV/MS combined with principle component analysis

Analyte

Precision

Repeatability (n = 5)

Stability (n = 6)

Intra-day RSD (%) (n = 5)

Inter-day RSD (%) (n = 9)

RSD (%)

RSD (%)

 

tRa

PAb

tR

PA

tR

Contents (%)

tR

PA

1

0.58

1.24

2.29

1.98

0.78

1.25

1.69

2.85

2

0.62

0.88

1.98

2.01

0.51

1.69

0.96

2.31

3

0.49

1.58

1.86

2.89

0.66

2.08

1.33

2.44

  1. a Refers to retention time.
  2. b Refers to peak area.
Back to article page

BMC Chemistry

ISSN: 2661-801X

Contact us