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Bottle-Top Dispensers
Categories
- All Pipettes, Dispensers & Automated Liquid Handlers
- Mechanical Pipettes
- Electronic Pipettes
- Multi-Channel Pipettes
- Positive Displacement Pipettes & Dispensers
- Pipette Tips
- Bottle-Top Dispensers
- Pipette Controllers
- Dispenser & Pipette Accessories
- Automated Pipetting
- Automation Consumables
- Automation Accessories
- Liquid Handler & Pipette Services
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Why choose an Eppendorf bottle-top dispenser?
Which Eppendorf bottle-top dispenser should you choose?
Eppendorf bottle-top dispenser price information
Resources
Why choose an Eppendorf bottle-top dispenser?
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Versatility
Eppendorf Varispenser 2 and Varispenser 2x bottle-top dispensers are universally applicable and are available in six different sizes, with dispensing volumes ranging from 0.2 – 100 mL. Also, the Eppendorf Top Buret can dispense volumes from 0.01 – 999.9 mL. The wide dispensing volume range, robust build, and high chemical resistance of the Varispenser 2, Varispenser 2x, and Top Buret make these instruments suitable for a wide range of applications.
Controlled and safe liquid handling
For precise control during titrations, the Eppendorf Top Buret allows for the dropwise addition of diluted salt solutions, acids, or bases. Small volumes can be accurately dispensed and measured, with slow dosing minimizing the risk of the buffer exceeding its capacity.
For other dispensing tasks, including when handling potentially harmful liquids, protection from accidental spills or leaks is a must. Eppendorf bottle-top dispensers Varispenser 2 and Varispenser 2x have several built-in features to ensure safety, including superior sealing with a wide range of liquid temperatures and viscosities, and high chemical resistance. This means these bottle-top dispenser pumps can be safely used with a variety of reagents, including:
- Corrosive and inflammable liquids1
- High viscosity liquids1
- Detergent solutions1
- Foaming liquids1
- Liquids with high vapor pressure or density1
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Wide choice of accessories
Various accessories are available for the Varispenser 2 and Varispenser 2x and Eppendorf Top Buret, giving you the freedom to adapt the instrument to your bottle sizes, liquids and general lab needs. Our bottle-top dispenser accessories include drying tubes, filters, flexible discharge tubes, and ETFE bottle thread adapters.
Which Eppendorf bottle-top dispenser should you choose?
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Varispenser 2 or Varispenser 2x?
Both the Varispenser 2 and Varispenser 2x are excellent bottle-top dispenser options, featuring safe, ergonomic, and user-friendly features . However, if you’re looking to maximize precision while minimizing reagent loss, choose the Varispenser 2x. This model has an additional recirculation valve that can be used to prime the dispensing system without losing any reagent. This makes the Varispenser 2x ideal for costly or limited reagents or chemicals.
Choosing the right accessories for your application
To maximize the safety, speed, and reliability of your liquid handling, it’s important you choose the right accessories to support your Eppendorf bottle-top dispenser or burette. Our accessories and their benefits include:
- Bottle adapters made from chemically resistant materials, including EFTE, to prevent corrosion or damage
- Drying tubes to protect fuming acids from dilution, or alkaline solutions from the formation of carbonates
- Flexible discharge tubes to fill multiple reagent tubes or small glass vials for HPLC
- Flexible ColorTag marking rings to easily and flexibly label and identify your bottle-top dispensers in the lab
Our White Paper 38 provides more information on how to select the most appropriate accessories for your application.
Eppendorf bottle-top dispenser price information
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Resources
Our Pipetting System Finder: Your lab’s matchmaker
Unsure about the right pipetting system for your application? Is it a standard pipette, a multi-dispenser, or perhaps even a pipetting robot?
Find out with our web app and receive recommendations for instrument and suitable consumables.
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