Table 5: Accuracy results for ketorolac in wastewater.

Level% recoveryAverageSDRSD (%)Global average
()
SD
()
Global RSD (%)
()

40%100.7101.80.90.9
102.1
102.5

100%98.498.91.21.2100.01.81.8
100.2
98.0

400%101.499.41.71.8
98.3
98.5