Table 1 Recovery of BPA in different real water samples using the proposed EWI system

From: A reusable evanescent wave immunosensor for highly sensitive detection of bisphenol A in water samples

 

BPA (μg/L)

 

Sample

Added

Founda

Recovery ± RSD(%)

Bottled pure water

0.00

0.37 ± 0.007

 
 

1.00

1.41 ± 0.04

103.7 ± 3.5

 

2.00

2.35 ± 0.06

99.1 ± 3.0

Tap water

0.00

0.09 ± 0.007

 
 

1.00

1.07 ± 0.10

98.2 ± 10.0

 

2.00

2.09 ± 0.14

100.3 ± 7.0

Lake water

0.00

0.04 ± 0.006

 
 

1.00

0.93 ± 0.08

88.3 ± 8.5

 

2.00

2.05 ± 0.10

102.3 ± 5.2

  1. an = 3.
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