From: RETRACTED ARTICLE: Citrate stabilized Fe3O4/DMG modified carbon paste electrode for determination of octamethylcyclotetrasiloxane in blood plasma and urine samples of cement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