Table 2. Operating conditions of amino acid auto-analyzer

Instrument	S430 (SYKAM)
Column	Cation separation column (LCA K07/Li)
Column size	4.6×150 mm
Column temperature	37-74℃
Flow rate	Buffer 0.45 mL/min, reagent 0.25 mL/min
Buffer pH range	2.90-7.95
Wave length	440 nm and 570 nm