Table 2 Testing results of tetracycline in milk samples.

From: Ratiometric electrochemical aptasensor based on ferrocene and carbon nanofibers for highly specific detection of tetracycline residues

Milk Samples

Blank Detection(g/L)

Added (g/L)

Standard Value(lg(ICNFs/IFc))

Detection Value(lg(ICNFs/IFc))

Recovery (%)

RSD (%)

1

Not detected

5 × 10−7

0.23890

0.22930

95.98

5.6

2

Not detected

5 × 10−6

0.22406

0.23364

104.28

5.6

3

Not detected

5 × 10−5

0.22181

0.21701

97.84

4.3

4

Not detected

5 × 10−4

0.21956

0.21156

96.36

3.5