Table 1: Chromatographic parameters of the pesticides: retention factors (k), efficiencies (N), and asymmetry factors (B/A) for carbaryl and 1-naphthol in selected micellar mobile phases at pH 3 containing different surfactants (SDS, NCPC, or Brij-35) in the absence or presence of the organic solvent pentanol.

Mobile phaseCarbaryl1-naphtol
kNB/AkNB/A

SDS 0.05 M-pH 31625001.54140001.5
SDS 0.10 M-pH 31022001.52535001.5
SDS 0.15 M-pH 3620001.41835001.5

NCPC 0.02 M-pH 3523002702502.5
NCPC 0.10 M-pH 3412002.2581503.0

Brij-35 0.05 M-pH 345120026310002.0
Brij-35 0.10 M-pH 31640001.32337001.3

SDS 0.05 M-2% pentanol (v/v)-pH 3936001.72148001.6
SDS 0.05 M-6% pentanol (v/v)-pH 3843001.21432001.4
SDS 0.15 M-2% pentanol (v/v)-pH 3828001.51436001.5
SDS 0.15 M-6% pentanol (v/v)-pH 3445001.27.745001.2