Amino Acid Analyzer

Our Amino Acid Analyzer employs continuous flow ion exchange liquid chromatography to detect amino acids in protein hydrolysates. It has a flow rate range of 0.001 to 10 ml/min. Automated procedures and makeshift ion-exchange resins speed up analysis. Due to high sensitivity, amino acid measurement uses low-concentration samples. The equipment includes reagents, buffers, and columns for analysing amino acids in food hydrolysates and physiological fluids.

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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

UV detector

Spectroscopy system	Aberration concave diffraction grating spectroscopy
Wavelength range	190 to 800 nm

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Amino Acid Analyzer