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Amino Acid Analyzer

We manufacture an Amino Acid Analyzer that is an automated and reliable tool for identifying amino acids in protein hydrolysates by using continuous flow ion exchange liquid chromatography to provide qualitative and quantitative data on a protein hydrolysate's amino acid composition.

Amino Acid Analyzer LAAA-A12
Quaternary low-pressure gradient pump :
Pulsation <1% or 0.1 MPa
Flow rate 0.001 to 10 ml/min
Flow accuracy ± 0.2%
Gradient accuracy ≤ 0.06% (ASTM)
Max. withstand voltage 9000 Psi
Degassing machine Built-in four-channel online vacuum degassing machine
Other function Automatic cleaning of plunger rod, anti-salt precipitation
Auto sampler :
Sampling method Loop sampling and variable sampling
Injection volume 1 to 500 µl
Reproducibility <1% @10 µl
Memory effect < 0.01%
Sample tray 2 with 48 sample positions each, 1.5 ml sample bottle
Separation unit :
Chromatographic column Sodium ion exchange column; 4×150 mm
Derivative unit :
Derivation method Ninhydrin post-column derivatization method
Temperature setting RT to 150°C
Temperature increment 0.1°C