Table 4.

Evaluated analytical columns for the LC-MS/MS method.

Supplier	Brand Name	Dimensions (mm)	Particle Size (µm)
Agilent	ZORBAX RRHD Eclipse Plus C18	2.1 × 50	1.8
Agilent	ZORBAX RRHT Extend-C18	2.1 × 50	1.8
Thermo	Hypersil GOLD C18	2.1 × 50	1.9
Waters	ACQUITY UPLC BEH C18	2.1 × 50	1.7
Agilent	ZORBAX RRHD StableBond C18	2.1 × 100	1.8
Agilent	ZORBAX RRHD Eclipse XDB-C18	2.1 × 100	1.8
Phenomenex	Kinetex C18	2.1 × 100	2.6
Waters	ACQUITY UPLC HSS T3 (C18)	2.1 × 100	1.8
Agilent	InfinityLab Poroshell 120 EC-C18	2.1 × 150	2.7
Phenomenex	Kinetex F5	2.1 × 100	2.6
Sigma-Aldrich	Discovery HS F5	2.1 × 100	5.0
Daicel	CHIRALPAK AD-3R	2.1 × 150	3.0
Daicel	CHIRALCEL OJ-3R	2.1 × 150	3.0