Table 1 Recovery and validation of extracted pesticide residues from basmati rice using QuEChERs acetate.

From: Handheld SERS coupled with QuEChERs for the sensitive analysis of multiple pesticides in basmati rice

Pesticide

Spiked concentration (mg/kg, ppm)

Extracted concentration (mg/kg, ppm)

Recovery (%)

RSD (%)

ACE

1

1.02

102.4

14.7

2

2.30

115.0

7.4

10

10.48

104.8

3.6

CBM

0.001

0.0008

83.4

11.1

0.1

0.090

90.0

20.5

10

9.45

94.5

9.6

THI

0.001

0.0009

91.1

23.8

0.1

0.097

96.5

11.1

10

9.81

98.1

4.1

TRI

0.001

0.0011

104.5

12.3

0.1

0.0997

99.7

15.0

10

9.91

99.1

8.9