Posts tagged 'Welch-Ilmvac'

Vacuum Pumps
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Comparing vacuum pumps - how to tell which provides a stronger vacuum?

Comparing vacuum pumps - how to tell which provides a stronger vacuum? When choosing a vacuum pump for any lab or industrial process such as vacuum filtration, rotary evaporators or for a vacuum oven, you may want to compare different models. Since vacuum can be expressed in so many different units (mbar, bar, Torr, mm Hg, Pa, psi...) this can be difficult to do! Looking at the ultimate vacu...
Vacuum Filtration
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What equipment do I need to perform a vacuum filtration?

Filtration under vacuum, also known as Büchner filtration, is commonly used to isolate the solid precipitate from a solution. This technique is used in syntheses, for example when a reaction has yielded a solid, or in analyses including gravimetric analysis of suspended solids. Although performing the filtration is simple, several pieces of equipment are needed which must all fit together, so...
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How can I safely dispose of my liquid lab waste and PCR waste?

Safely disposing of liquid waste in the lab, especially liquids in PCR multiwell plates, can be an awkward task. The Handvac units from Welch Ilmvac allow you to quickly, easily and safely draw up waste liquid from used PCR plates to collect it in a waste vessel for later disposal. The specialised attachments available make vacuum aspiration from any container quick and simple, while the ...

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How can I extend the life of my rotary vane vacuum pump?

Rotary vane vacuum pumps are a popular choice in laboratories when a strong vacuum application is needed, but they do need maintenance to keep them running smoothly. However, there are some simple steps you can follow to extend the life of your pump and the pump oil [caption id="attachment_6273" align="aligncenter" width="294"] Rotary Vane Vacuum pumps are used in the lab for a range of a...

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What is the difference between Rotary Vane and Diaphragm vacuum pumps?

Most laboratories will have a vacuum pump. They are widely used across labs of all disciplines for a range of tasks from basic filtrations or evacuating a desiccator right up to use with large equipment such as vacuum ovens or rotary evaporators. The two most common types are rotary vane or diaphragm pumps - but what do these mean and what is the difference? [caption id="attachment_5483" ...

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Choosing a Vacuum Pump for your lab

Vacuum Pumps are found in every laboratory for a huge range of uses, but how do you decide which one is suitable for the task? Laboratory vacuum pumps can have a lot of different features, which makes them suitable for different jobs. For example, "chemical duty" pumps have better chemical resistance, for working with organic solvents or corrosive substances. Others can apply pres...

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