Table 1.

Comparison of HPLC and MEKC experimental parameters for the analysis of estrogens and their metabolites

	HPLC	MEKC
Detection method	MS	UV/Vis (200 nm)
Injection volume	8 μL	3nL
Solution concentration	10 pg/mL	2 μg/mL
Amount injected	80 fg	6 pg
LOD	5fg	2 pg
LOQ	50 fg	20 pg
Column dimensions	15 cm ×300 μm	47 cm × 50 μm
Column type	RP	Fused-silica capillary
Derivatization	Yes	No
Analysis time	100 min	10 min