Eppendorf 2226720-5 (0030069225) Combitips Plus 0.5 ml Dispenser Tips The Eppendorf 2226720-5 is a 0.5 ml precision dispenser tip engineered for use with the Eppendorf Multipette® (Repeater®) series. Utilizing a positive-displacement principle, these tips feature an integrated piston that makes direct contact with the liquid, ensuring a complete and accurate dispense regardless of the fluid's physical properties. This design eliminates the air cushion found in standard pipettes, making the Combitips Plus the industry standard for handling volatile solvents, viscous oils, and radioactive or infectious samples. Manufactured from high-purity virgin polypropylene, these tips provide high-precision serial dispensing (up to 48 steps per filling) for increased laboratory throughput and reproducible results. Technical Performance and Design Positive Displacement Technology: The internal piston wipes the cylinder walls clean during every dispense, ensuring 100% liquid recovery and preventing aerosol contamination of the pipette body. Multipette® Compatibility: Specifically designed for a perfect fit with the Eppendorf Multipette® 4780, Repeater® Plus, and Repeater® M4. These tips also fit most other industry-standard repeating pipettes. Precision Graduations: Features clear, easy-to-read volume markings that allow for rapid visual confirmation of the remaining liquid volume during long dispensing series. High Chemical Resistance: Constructed from medical-grade polypropylene, offering broad compatibility with common laboratory reagents, acids, and organic solvents. Product Specifications Catalog Number: 2226720-5 (International Part: 0030069225) Volume Capacity: 0.5 ml Minimum Dispensing Volume: 10 µl (depending on pipette setting) Material: Virgin Polypropylene (PP) Purity Grade: Eppendorf Quality (Non-sterile) Packaging: 100 Tips per Box Key Benefits & Applications Viscous & Volatile Liquids: The primary tool for accurate pipetting of 100% Ethanol, Glycerol, Chloroform, and other fluids that cause inaccuracies in standard air-displacement pipettes. Serial Aliquoting: Significantly reduces manual effort and time when filling microplates or microtubes by allowing multiple dispenses from a single aspiration. Cross-Contamination Control: The hermetically sealed piston ensures that no liquid or aerosol ever enters the pipette, making it ideal for handling hazardous or radioactive materials. Reliability: The "Plus" design features a reinforced tip and optimized piston movement for smooth, consistent operation during high-throughput routine laboratory work. All product names, logos, and brands are property of their respective owners.
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