Research Article

Development and Validation of a HPLC-UV Method for Simultaneous Determination of Five Sulfonylurea Herbicide Residues in Groundnut Oil Followed by Matrix Solid-Phase Dispersion

Table 2

Storage stability details ( 𝑛 = 6 ).

Fortified concentration Storage period ReplicationRecovery in %
in 𝜇 g/mL in DaysNicosulfuronPyrazosulfuron ethylMetsulfuron methylChlorsulfuronAzimsulfuron

0.1 0R19293919192
R29494939393
R39592959195
R49292929593
R59394949294
R69292919292
Mean9393939293
RSD1.361.251.761.631.25
30R19091908991
R28990898989
R39092909191
R49189919091
R590929191
R69191929189
Mean9191919190
RSD1.081.051.341.141.03