AELAB Fraction Collectors – Automated Collection & UV Detection Series

What Does This Equipment Category Include?

The AELAB Fraction Collector / UV Analyzer category covers laboratory equipment used to detect compounds during liquid separation and collect selected portions of the eluent into individual tubes or collection vessels.

Equipment Type	Main Function
Fraction Collection System	Automatically directs separated liquid portions into individual collection vessels according to the selected operating method.
UV Detection System	Monitors changes in ultraviolet absorbance as compounds pass through the chromatography flow path.
Combined Detection and Collection Workflow	Supports coordinated compound monitoring and fraction recovery during laboratory separation procedures.

How Fraction Collection and UV Detection Work

During a chromatography process, the liquid mobile phase carries separated sample components through the system. As the components leave the separation column, a UV detector can monitor changes in absorbance and indicate the passage of compounds through the flow path.

The fraction collector then distributes the outgoing liquid into a sequence of tubes or other collection vessels. Collection may be organized according to time intervals, liquid volume, drop count or an external detection signal, depending on the system configuration.

This workflow allows laboratories to divide the chromatographic output into separate fractions for further analysis, purification, concentration, identification or storage.

Typical Laboratory Workflow
Typical Applications

• Protein and peptide separation workflows
• Nucleic acid purification and biochemical research
• Collection of chromatographically separated compounds
• Isolation of target fractions for further laboratory analysis
• Purification process development in biotechnology laboratories
• Pharmaceutical research and compound separation
• Natural product and plant extract research
• Food, chemical and environmental sample analysis
• University chromatography teaching laboratories
• Research involving enzymes, biomolecules and other liquid samples

Benefits of Automated Fraction Collection

Benefit	Laboratory Advantage
Reduced Manual Handling	Automated vessel positioning reduces the need to transfer collection containers manually during a run.
Organized Sample Recovery	Separated liquids are collected systematically for easier identification and subsequent processing.
Improved Reproducibility	Programmable collection conditions help laboratories repeat separation and recovery procedures more consistently.
Better Workflow Efficiency	Multiple fractions can be collected continuously without changing each vessel by hand.
Support for Downstream Analysis	Individual fractions can be selected for concentration, purity testing, identification or additional separation.

How to Select a Fraction Collector or UV Analyzer

Selection should be based on the complete laboratory workflow rather than only the number of collection positions. The sample characteristics, chromatography method, tubing arrangement, flow conditions and required collection control should all be considered.

Selection Factor	Questions to Consider
Application Type	Will the system be used for protein purification, nucleic acid work, chemical separation, teaching or general chromatography?
Collection Capacity	How many individual fractions normally need to be collected during one laboratory run?
Collection Vessel	What tube, vial, bottle or other collection-container size is required?
Collection Method	Should fractions be collected according to time, volume, drop count or an external detector signal?
Flow Conditions	What liquid flow rate and total sample volume are expected during routine operation?
UV Detection Requirement	Which target compounds must be monitored, and what detection wavelength is suitable for the application?
System Compatibility	Can the equipment connect correctly to the existing column, pump, tubing and chromatography setup?
Available Bench Space	Is the installation area suitable for the collector, detector, vessels and related chromatography components?
Cleaning Requirements	Can the liquid-contact components and collection area be cleaned conveniently between different samples?

Information Required for Equipment Recommendation

Providing complete application information helps the technical team evaluate the required collection arrangement and UV detection configuration more accurately.

• Type of chromatography or separation procedure
• Target compound or sample type
• Expected number of fractions per run
• Required tube or collection-vessel dimensions
• Approximate liquid flow rate
• Typical fraction volume
• Preferred collection control method
• Required UV detection wavelength, when applicable
• Existing pump, column and tubing configuration
• Laboratory power-supply requirement
• Destination country and delivery location

Operation and Routine Care

• Confirm that all collection vessels are correctly positioned before starting the run.
• Use tubing suitable for the solvent, buffer and sample being processed.
• Inspect the liquid path regularly for blockage, leakage or contamination.
• Clean the tubing and collection area after processing biological or chemical samples.
• Avoid allowing salts, proteins or residues to dry inside the liquid-contact pathway.
• Verify the collection sequence before processing valuable samples.
• Follow laboratory procedures for storage and identification of collected fractions.
• Perform inspection and maintenance according to the applicable operating instructions.

Why Choose AELAB Fraction Collection Solutions?

• Solutions for automated collection of separated laboratory samples
• Equipment suitable for chromatography and biochemical research workflows
• Different collection configurations for varying laboratory requirements
• Support for selecting equipment according to vessel capacity and application
• UV monitoring options for chromatography-related detection
• Technical information and quotation support before ordering
• International supply, export packaging and shipping assistance
• Configuration and power-supply support according to destination requirements

Frequently Asked Questions

bio-equip.cn