Laboratory Products 31
Zeta Potential Analyser Validated by Leibniz Institute for Polymer Research Dresden e.V.
Sustainable Solutions for the Modern Laboratory
In answer to growing demands to reduce carbon footprints, LTE Scientific has developed a range of sustainable eco-drying cabinets which will significantly reduce power usage (and therefore running costs) when compared to a standard glassware drying cabinet.
Complete with digital temperature controller and electronic 7-day timer, the eco-Drying Cabinet range is designed to offer market leading operational efficiencies over standard drying cabinets yet remain economically priced.
Available in 2 sizes of 100 and 180 litres, the eco-Drying Cabinet range is fully insulated on 5 sides as standard and is supplied with glass sliding doors.
In tests, the DL100E model used only 0.1kWh to get from 22°C to 60°C and then only 0.125kWh thereafter to maintain that temperature. At a constant 75°C the DL100E only used 0.188kWh.
LTE’s hygienic Sterling anti-bacterial coating is used on all the outer casings, whilst all interiors are manufactured from stainless steel. The range also comes with 2 years warranty as standard for extra peace of mind.
More information online:
ilmt.co/PL/O2gg
The zeta potential characterises the charge situation at a solid surface in solution. The new ZPA 20 zeta potential analyser from DataPhysics Instruments uses a patented method based on the analysis of the streaming potential or the streaming current. It is therefore particularly suitable for the investigation of samples in the macroscopic range. The device can be equipped with a measuring cell for solid materials such as plates, membranes, or foils, and a measuring cell for fibres, powders and granulates.
Zeta potential measurements are important in a broad range of applications, such as the investigation of fuel cell membranes, fouling processes of filter membranes, bacterial growth on food packaging, and washing of textiles.
The ZPA 20 zeta potential analyser had to meet the highest quality standards from the beginning. Thus, the manufacturer DataPhysics Instruments cooperated with a partner of worldwide renown: the Leibniz Institute for Polymer Research Dresden e.V. (IPF). Since 2017, the IPF team has accompanied the development of the ZPA 20 zeta potential analyser through several project phases.
The ZPA 20 zeta potential analyser uses a patented measuring method to achieve rapid results with high accuracy. Dr Sebastian Schaubach, Innovation Manager at DataPhysics Instruments, explained: “The ZPA 20 zeta potential analyser is the only measuring device on the market today measuring the streaming potential or streaming current in a bidirectional and oscillating fashion.” This may prevent the polarisation of the device electrodes.
Additionally, the bidirectional flow reveals asymmetries of the sample surface, such as inhomogeneous fibre or powder packages as well as insufficiently fixed flat samples. Therefore, with the oscillating, bidirectional flow of the electrolyte, error sources can be identified, and measurement errors prevented.
The ZPA 20 zeta potential analyser can be expanded with optional modules. For example, with the LDU 25 liquid dosing system, the electrolyte composition can be changed automatically. This allows to determine the isoelectric point or adsorption of surfactants quickly and accurately.
More information online:
ilmt.co/PL/Qq5p and
ilmt.co/PL/k1lo 59326pr@reply-direct.com
Automation Options for Elemental Analysis
High-capacity automated sample loading is becoming an increasingly important factor to increase the efficiency of elemental analysis.
Eltra offers various autoloaders for their combustion analysers, ranging from 32 to 130 crucible positions, allowing for unattended analyses overnight or even over the weekend.
For fast and robust O/N/H analysis in metals, the new autoloader for the ELEMENTRAC ONH-p 2 analyser features a sample carousel with 32 crucible positions, as well as a correspondingly designed crucible magazine. This combination currently represents the largest sample loader on the market for analysers with inert gas fusion and will be available end of this year. The ONH-p 2 analyser reliably measures oxygen, nitrogen and hydrogen concentrations in inorganic samples from low ppm content to high percentages.
More information online:
ilmt.co/PL/301k 58901pr@reply-direct.com Application Optimised UV Lenses
Resolve Optics is proud to announce their new application optimised UV lenses that are designed to provide inspectors with a highly effective tool for non-intrusive verification of spent nuclear fuel. The lenses have been thoroughly tested and optimised to deliver high performance measurements in the ultraviolet (UV) waveband (200-400 nanometres).
The UV Zoom lens, designed to meet the challenges of this demanding application, is capable of operating in temperatures ranging from 10 to 55ºC and can image objects from 3m to infinity. Miniature motors on the lens allow for remote setting of both zoom and focus functions and a filter slide enables the lens to be switched between UV (270 to 350 nm) and visible (400 to 700 nm) without the need for refocusing. A lockable C mount ensures the lens cannot come loose during operation and the lens achieves high image resolution with low distortion throughout the zoom range without refocusing.
Thanks to the new UV Zoom lens designed by Resolve Optics, inspectors can now make use of a Digital Cerenkov Viewing Device to capture the Cerenkov image of spent nuclear fuel from 13 metres away through 10 metres of water.
More information online:
ilmt.co/PL/BKMm 59608pr@reply-direct.com
59077pr@reply-direct.com
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