Table 4: Results of recovery study for BHA, BHT, and OMC by RP-HPLC-UV/Vis at = 280 nm.

Relative recovery (%, )
Spiked (mg/L)BHARSD%BHTRSD%OMCRSD%

1105.92.64108.97.69103.72.53
5102.33.72102.84.0294.61.95
1099.71.6595.93.1393.31.45
2592.11.1883.22.2487.31.27