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Table 2 Recovery of fluridone, limit of quantification, and limit of detection on rotavapor and QuEChERS based analysis

From: Development of extraction and detection method for fluridone in water and sediment by HPLC-UV

  Sample name Spiked fluridone concentrations in samples (ppb) Detected signal area (CC) Observed fluridone concentrations by HPLC Recovery percentage (%)
Rotavapor R1 500 94,965 203.485 40.7
R2 500 177,633 396.377 79.3
R3 500 146,492 323.715 64.7
R4 500 141,065 311.052 62.2
R5 500 116,953 254.790 51.0
R6 500 141,997 313.226 62.6
R7 500 138,216 304.404 60.9
QuEChERS Q1 500 31,208 301.204 60.2
Q2 500 34,901 348.637 69.7
Q3 500 32,750 321.009 64.2
Q4 500 31,746 308.114 61.6
Q5 500 28,687 268.824 53.8
Q6 500 30,911 297.389 59.5
Q7 500 32,553 318.479 63.7
  Slope (S) Std. deviation (σ) LOD (3.3σ/S) LOQ (10σ/S)  
Rotavapor 521.66 25,666.23 162.36 492.00  
QuEChERS 77.86 1911.22 81.00 245.45