Chromatography 7 Maximising yields in preparative LC
Accurate, real-time fl ow monitoring is now more accessible for chemists working at preparative scale, thanks to the Prep Flowmeter from Testa Analytical. Designed to handle fl ow rates of up to 650 ml/min, the instrument helps optimise compound recovery and enhance the effi ciency of fraction collection.
In preparative liquid chromatography, fractions are typically collected based on volume. However, fl uctuations or inaccuracies in fl ow rate can compromise both purity and yield. By continuously measuring absolute fl ow rates, the Prep Flowmeter enables tighter control of the separation process - improving both the quality and quantity of collected fractions.
Beyond process optimisation, the device is also a valuable tool for troubleshooting and routine performance validation of chromatography systems.
Compact and USB-powered, the Prep Flowmeter integrates easily into most setups. It employs a non-invasive thermal fl ow sensor that delivers high-resolution, high-sensitivity readings without interfering with the process stream. Its wide dynamic range makes it suitable for a variety of preparative applications.
Flow data can be monitored in real time using an intuitive PC-based app, which supports continuous recording and secure data storage. A bright OLED display shows the current fl ow rate locally, while onboard communication buffering ensures no data is lost - even if the PC connection is briefl y interrupted. More information online:
ilmt.co/PL/bwyY
64897pr@reply-direct.com
Ready-to-use disposable vacuum fi ltration unit
The SOLVFIL X™ from Microsolv is a ready-to-use disposable vacuum fi ltration device designed for glass bottles with a 45 mm neck diameter. It features a unique pleated cartridge fi lter built into the cap, allowing for high-speed fi ltration and enhanced throughput with organic solvents and chemicals.
Delivering high-speed performance, the unit can fi lter more than 1000 ml per minute at a vacuum pressure of 500 mm Hg, making it ideal for busy lab environments. The built-in Nylon 66 membrane ensures effi cient fi ltration while maintaining low extractables in accordance with USP <661> standards, contributing to the purity of fi ltered solutions.
A conical cartridge design promotes smooth operation by directing air bubbles away from the membrane surface, helping to prevent blockages and ensuring consistent fl ow. Suitable for use with organic solvents and mobile phase buffers, the SOLVFIL X™ offers a versatile solution for a wide range of liquid preparation needs in chromatography workfl ows.
More information online:
ilmt.co/PL/vR6n 64511pr@reply-direct.com
Automation module adds compatibility with OpenLab CDS
The Molnár-Institute for Applied Chromatography is excited to announce the launch of a new version of its groundbreaking DryLab®
Automation Module,
now fully compatible with Agilent’s OpenLab CDS chromatography data system software. This new release expands the module’s capabilities, previously available exclusively for the Waters Empower CDS, and brings enhanced functionality to a broader user base.
Previously, Empower CDS users could leverage DryLab® set method creation, facilitate the acquisition of DryLab®
to automate sample input and verifi cation
experiments, and retrieve processed chromatograms and key peak data directly from the CDS database, all without manual export steps. Now, Agilent OpenLab CDS users can experience these same benefi ts and more with this seamless integration.
The integration between DryLab® by enabling automated data import directly into DryLab®
and OpenLab CDS signifi cantly increases effi ciency . This streamlines the
workfl ow, accelerates method evaluation, and reduces the risk of manual transfer errors, ultimately improving data consistency throughout the process.
It also enhances reproducibility. The direct connection between the two platforms ensures a smooth, uninterrupted workfl ow that consistently delivers highly reproducible results during method development and optimisation.
In addition, the integration is designed for seamless network compatibility. It requires only a straightforward DryLab®
update on the Agilent OpenLab client,
allowing the automation module to be quickly incorporated into existing network infrastructure and providing effortless access across the laboratory system.
This new release brings the power of DryLab® ’s cutting-edge analytical software to
Agilent OpenLab CDS users, empowering them with increased productivity, better accuracy, and enhanced method development. The integration highlights Molnár- Institute’s ongoing commitment to advancing chromatographic science through innovative, user-friendly software solutions.
More information online:
ilmt.co/PL/Nwlk 64567pr@reply-direct.com
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