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High speed Amino Acid Analyser : Model L-8900
Hitachi's New Amino Acid Analyzer, Model L-8900, is the culmination of the technology and expertise earned from our extensive experience in manufacturing amino acid analyzers during the past 40 years. It is dedicated and optimized for one and only one type of analysis i.e. analysis of amino acids with high precision, speed and sensitivity.
Features :
High sensitivity and high speed : Unparalleled detection limits can be achieved - 3 pmol of aspartic acid using ninhydrin reaction methods. Standard amino acid determination takes just 30 minutes (net) and physiological fluid determination can be carried out fully automatically in just 110 minutes.
Optimized for analysis of amino acids : System is fully automatic based on post-column Nin-Hydrin derivatization method. Since all the parameters of the integrated modules are optimized for analysis of amino acids only, even a learner can operate it without any fuss and get the results quickly and accurately. It is very useful for clinical use where physiologigal fluids (blood, urine, serums, etc.) are analysed for providind quick treatment to the patients.
Specifications :
| Performance (results of measuring 5 samples by protein hydrolyzate assay (standard) method) | |
| Analysis time | Approx. 30 minutes (net) |
| Reproducibility of peak retention time | CV0.3%(Arg), 0.5%(Ala) |
| Reproducibility of peak area | CV1.0%(Gly, His) |
| Detection | 3 pmol(S/N = 2, Asp) |
| Analyzer | |
| Column | 4.6 mm I.D. × 60 mm L.*1 Packed with Hitachi custom ion exchange resin |
| Pump | Delivery pressure; 0 to 30 MPa (0 to 306 kgf/cm2) Flow rate range; 0.000 to 0.999 mL/min |
| Autosampler | Injection methods; Direct injection method Sample vial capacity; 1,500 µL No. of vials accommodated; 200 (200 when optional cooler installed) Sample injection volume; 1 to 100 µL |
| Column oven | System; Peltier Temperature setting range; 20 to 85°C (in 1 °C steps) |
| Reaction unit | System; Electronic heating (reaction column) Temperature setting; 50 to 140°C (in 1°C steps) |
| Photometer | Spectrophotometer; Aplanatic concave diffraction grating Wavelength; 570 nm, 440 nm Analyzer |
Applications : L-8900 is suitable for amino acid analysis in Protein Hydrolysate samples (Food, Drugs, etc.) and Physiological Fluids (Blood, Urine, etc.).
Following are few of its applications -
• Analysis Desmosine and Isodesmosine in Elastin Peptide
• Analysis of tryptophan (Trp) in rice
• Physiological Fluids Analysis of an Octopus
• Physiological Fluids Analysis of Cuttlefish
• Analyses of Free Amino Acids in Sugarcane, Cucumber, Watermelon and Supplement Drink using Method for Physiological Fluids
• Amino Acid Analysis of Hydrolysis Products (Peptides) of a Collagen Sample
• Analysis of ?-Amino-N-Butyric Acid in germinated Soybean Milk
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