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From: RETRACTED ARTICLE: Citrate stabilized Fe3O4/DMG modified carbon paste electrode for determination of octamethylcyclotetrasiloxane in blood plasma and urine samples of cement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