From: Electrochemical behavior of anticancer drug 5-fluorouracil at carbon paste electrode and its analytical application
Urine spiked (10−5 M)
Detecteda (10−5 M)
Recovery (%)
RSD (%)
Urine sample 1
0.1
98.5
2.9
Urine sample 2
0.2
92.8
3.1
Urine sample 3
0.5
99.5
Urine sample 4
0.8
99.9
Urine sample 5
1.0
96.6
3.0