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Table 2 Determination of D4 in urine samples (n = 3)

From: RETRACTED ARTICLE: Citrate stabilized Fe3O4/DMG modified carbon paste electrode for determination of octamethylcyclotetrasiloxane in blood plasma and urine samples of cement factory workers

Sample

Added (ng/mL)

Found (ng/mL)

Recovery (%)

Standard methoda (ng/mL)

Urine

50.0

46.9

93.8

48.4

100.0

101.0

101.0

99.4

150.0

148.0

98.6

150.3

200.0

197.1

98.5

201.0

250.0

244.3

97.7

246.9

  1. aGC-mass