Page 8 - Filtration Resources
A compilation of application notes, case studies, white papers and other technical papers for various filtration applications.
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March 09, 2021
Usually, researchers start with bench-scale feasibility testing.
That means using a membrane sample from a large-scale membrane module offered by commercial manufacturers and testing that in a bench-scale filtration setup.
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February 04, 2021HPLC and solvent purification applications will often involve samples that contain a combination of solvents and acids that other vacuum pumps just can’t handle, making them prone to faster wear and tear. On top of that, labs also have to grapple with and spend money on time-consuming maintenance tasks such as regular oil changes to keep their vacuum pumps in good working condition.
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January 04, 2021An overflow of liquid is unavoidable during vacuum filtration. However, this excess in liquid can potentially damage your vacuum pump’s motor and internal components as the overflow is sucked into the pump. Sterlitech constantly aims to simplify your lab processes and provide innovative lab solutions, which is why we are proud to introduce a brand new line of filtration products featuring built-in Prote Overflow Protection.
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December 21, 2020Thin film track etched membranes, commonly referred to as polycarbonate (PCTE) and polyester (PET) filters, feature a unique pore structure and optical clarity unlike most filters. A complex, two step manufacturing process involving ion bombardment of the film followed by a chemical bath results in this attractive membrane exhibiting a smooth surface interrupted with the appearance of wrinkles, or rather waves, which may be concerning to first time users.
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September 11, 2020Vacuum pumps are a versatile piece of laboratory equipment for suctioning via negative pressure. They are routinely used in biological sciences for filtration, distillation and concentration of volatile solvents, solid phase extraction, freeze drying, and more. Even though vacuum pumps share a common function, there are many considerations to take into account when choosing a new pump. The following article will explain some important attributes to look for when comparing different vacuum pumps.
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July 30, 2020We have had customers say that they aren't getting any or very little suction from their Rocker Oil Free Vacuum pumps. These pumps are designed to be operated upright, if they get turned on their side or upside down during operation the Float protector will be engaged. Note: The float protector is to protect the pump from liquid being sucked into the sytem and destroying your pump.
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July 28, 2020Choosing a new vacuum pump for your lab requires balancing important considerations including cost/longevity, performance/versatility, and power/size, but it can be simple. This article compares two of Sterlitech’s leading chemically resistant pumps: the Chemker 300 and the Rocker 300C. Both pumps are manufactured by Rocker Scientific Co. and used for widespread applications in filtration technology.
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June 25, 2020Sterlitech is offering 2 new space-saving, all-in-one vacuum suction systems from Lafil. The Lafil series suctions system is a line of unique integrated suction systems that combines a vacuum source with a suction kit. Its compact design saves more bench space than other traditional ones. With a fence-like platform design, it can prevent a user from tipping over the suction bottle.
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May 15, 2020“Who lives here now? and “Who lived here previously” are fundamental questions of biology, but observing living things in their natural habitats is not always so straightforward. Tracking down rare, elusive, and microscopic species through harsh or inaccessible environments has challenged biologists for centuries.
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May 15, 2020The Rocker Lafil 200 vacuum suction system integrates a vacuum source with a 4L waste bottle and suction kit, saves 50% space and is ideal for large volume cell culture aspiration and reduces the number of times you have to empty the waste bottle.
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