Posts tagged 'pyrex'

Reducing Spillages
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DWK Safety Blog - Reducing Spillages

Spillages are a common occurrence in the lab and can be a health and safety risk. The spilled contents themselves could be hazardous to those in the laboratory, as well as the spilled liquid being a slip hazard if on the floor which could cause injury. This blog will cover 5 ways of reducing spillages to improve safety in the lab. Image of spilled chemicals 1. DURAN® and KIMBLE® Sili...
heating laboratory glass
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DWK safety tips and tricks - heating laboratory glass

Heating glassware is an important topic as heat can change the volume of the glassware if the temperature used is too high. The maximum temperature for heating the glass depends on the specifications and what type of glass is used. For example, borosilicate glassware provides a lower coefficient of expansion than other glass types such as soda lime glass. Another note is that not all glassware...
Soxhlet extraction apparatus
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How do I set up Soxhlet extraction apparatus?

Soxhlet extraction is used for extracting a compound of low solubility from a solid sample (typically natural or environmental samples such as soil, sediment and more). It was invented by Franz von Soxhlet in 1879 for the extraction of a lipid from a solid sample and has since become widely used the world over. The Soxhlet extraction method uses a number of different glassware pieces. A Soxhlet...
Distillation apparatus
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How do I set up distillation apparatus?

Quickfit glassware is incredibly handy when setting up experiments involving a lot of individual pieces and connections as the pieces come in a range of joint sizes that easily slot together for assembly. The range has hundreds of pieces including reduction and expansion adapters for when joint sizes do not match. On top of this, if you need a custom piece and will be ordering sufficient quanti...
Quickfit® Glassware
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Q: My Quickfit® Glassware joint sizes do not match, what can I do?

A: Use one of the Quickfit® expansion or reduction adapters Quickfit® glassware comes with a range of joint sizes. When the joint size of one piece of glassware match with that of another, connecting them within your set up is easy. However, things may not be so straightforward and some items may only come in a limited choice of joint sizes. In this case, there is a handy range of reduction ...

Interchangeable Laboratory Glassware
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Interchangeable Laboratory Glassware - Quickfit® Understanding the Connections

How often have you spent time trying to find the right pieces of glassware to fit together to construct your set-up? A Flexible Interchangeable Range Quickfit® back in 1934 pioneered the idea of interchangeable laboratory glassware based on set joint sizes aimed to tackle this issue. Today this range comprises of over 1000 products, most of which feature their signature conical ground glass joi...
Laboratory Glassware
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What are the Differences Between Glass Types commonly used for Laboratory Glassware?

Glass types can be confusing to understand, however, the variation in chemical composition provides the glass with different properties.  Two types of glass commonly used for laboratory glassware  are Soda-Lime and Borosilicate glass. Glass Chemical Composition The chemical composition of each glass type varies to give rise to unique properties: Expansion borosilicate gla...
Laboratory Glassware
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What gives Pyrex glassware its advantages?

Pyrex® is borosilicate glass which differs from other glass types as it possesses unique properties of high resistance to chemical exposure, thermal expansion and thermal shock.  This has advantages in laboratory uses, a key one being where glassware is directly heated, in beakerstest tubes or flasks. Let's look at some of these properties in more detail and see their advantages.

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Sintered disc or sintered frit filtration funnels - how to care for sintered discs? When to select a sintered disc funnel? What do sintered disc grades mean?

Vacuum filtrations using a Buchner flask and funnel with a vacuum pump are commonly used to isolate a solid of interest from a liquid. Most commonly a porcelain Buchner funnel with a filter paper placed on top is used, but in some instances a sintered disc funnel is more appropriate. But when would you select a sintered disc funnel? And how should a sintered disc filter funnel be cleaned ...
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What are the temperature limits for Pyrex glassware?

Q: What is the highest and lowest temperature that Pyrex glassware should be exposed to? [caption id="attachment_11003" align="aligncenter" width="254"] Pyrex is used in lots of lab glassware - but what is the maximum temperature Pyrex should be used at?[/caption] A: Pyrex is suitable for use from -192°C to +500°C This makes it an ideal choice for lab glassware which will be directly heated. ...
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Need a large vessel to culture organisms?

Fernbach culture flasks from Scilabware are ideally suited to large volume cell cultures where a large surface area to volume ratio is required. Three baffle indents maximize oxygen transfer to the culture medium. Manufactured from Pyrex® borosilicate glass for the maximum chemical resistance and optical clarity, Fernbach flasks are available in two versions, Delong neck and screwcap. . ...

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