ENVIRONMENTAL LABORATORY 25


Flexible TOC & TNb analyser for environmental and water samples


Elementar’s new TOC/TNb analyser, enviro TOC, features a robust, high-performance furnace, variable mode changing, real matrix separation with SALTTRAP, and the stable wide- range IR are implemented in one instrument together with a new autosampler and integrated chemiluminescence detection. This makes enviro TOC the ideal device for flexible and efficient TOC and TNb determination in environmental and wastewater samples.


The fully automated 60 position liquid sampler allows convenient high- throughput measurement of TOC, NPOC, TC, TIC, DOC, POC, and TNb. Samples that contain particles can be analysed. The integrated rinsing functions avoid carryover and contamination. Rapid mode changes allow measuring soil and waste also fully automatic with the same system.


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Revolutionary mass spectrometer detects trace VOCs in the ppq range


Ionicon recently introduced a revolution in analytical performance: the PTR3. This new generation PTR-TOF enables quantification of volatile organic compounds (VOC) and is optimised for the detection of their oxidation products typically present in the parts-per-quadrillion (ppq) range. The key to ultra- high sensitivities is the novel patent protected 3D tripole reaction chamber where long reaction times are combined with precise control of ion chemistry via electric fields. With the dual-stage core sampling inlet system, which enables analyte transfer with virtually no wall interactions, organics ranging from volatile to even extremely low volatility (ELVOC) can be measured, even at ambient sample inlet temperature. In addition, the PTR3 has the unique ability to detect and quantify RO2 radicals.


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Since the invention of the PTR3 principle by Dr. Martin Breitenlechner et al. at the University of Innsbruck, Austria, the instrument was revised and complemented with latest Ionicon technologies. Now outstanding sensitivities of more than 50000 cps/ppbv are achieved e.g. for ketones. Another innovation is the Time-of-Flight (TOF) mass spectrometer itself. Ions are analysed with the novel high-resolution ioniTOF 10K, achieving mass resolving powers of typically 10000 to 15000 m/Δm.


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Taking the headache out of sample loading for UV-Visible/NIR Spectrophotometers


HTA S.r.l. have engineered a solution to end the monotony and lost time that users of UV-Visible/NIR Spectrophotometers are all too familiar with. The HTI500U has enabled fully automated sample loading specifically for UV-Visible/NIR Spectrophotometers


This sample loading automation will not only save time from the rigours manual sample loading, but operators will also experience an increase in productivity, analytical performance and even a minimisation of the carry-over.


The on-board solvent reservoir allows the probe and the whole flow path to be cleaned before processing the next sample, with the option to program the number of washing cycles according to the sample’s physical and chemical properties. Furthermore, sample replicas and calibration curves will be performed more regularly and without complaint because the whole process is carried out unattended.


HT1500U is available in multiple configurations: it supports stainless steel as well as polymeric needle to deal with metal sensitive applications and a wide choice of fluidics to deal with different levels of flow through cells, including also nano flow through cuvettes, micro cuvettes and macro cells. Different types of tubes are supported too: open or sealed tubes can be hosted to fit any applications. Moreover, the tubes are organised in multiple racks, each of them removable, to enable continuous sample feeding and improved organisation during analyical tasks.


Regardless of the application, whether environmental analysis, routine measurements, advanced research or quality control in production lines, the HT1500U will meet and even exceed expectations in terms of quality and reliability whilst requiring no or just minimal training.


Automating a UV-Visible/NIR Spectrometer requires just a preliminary step to make the spectrophotometer suitable for automation using the HT1500U: the standard quartz cell/cuvette must be replaced with a flow cell. This flow cell will be then fully handled by HT1500U and all the samples will be automatically processed. No additional action is required: you can simply leave the HT1500U to do its work and return later for the post-production data management.


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P S Analytical – Experience, Performance, Reliability and Support


Coupling Atomic Fluorescence Spectroscopy (AFS) with either cold vapour generation or hydride generation has been P S Analytical’s (PSA) core competency for over 35 years. For the determination of mercury, arsenic, selenium, antimony and bismuth, PSA offers some of the best laboratory instrumentation available. The instruments are typified by; having a small footprint, their ease of use to run and maintain, having good reliability and robustness, as well as affordable purchase prices and running costs.


PSA works with many industries, organisations and markets to deliver industry leading


analysers. The systems are used to analyse; waters,


soils, sediments, air, stack gas, blood, urine, food and beverage, petrochemicals, polymers, minerals and many other sample types.


PSA analysers provide excellent detection performance including ultra-trace limits of detection, a linear response over several orders, and minimised interferences from other sample components. PSA’s unique flow cell design, removing troublesome glass or quartz material, results in reduced carryover and contamination for faster throughput and less re-runs.


The instruments are “speciation ready” with easy coupling of chromatographic systems to our ultimate performing analysers.


With literally thousands of systems in the field today, and support networks in Europe, USA and SE Asia, PSA offers the ideal package of performance, reliability and support. For further information visit our website at www.psanalytical.com.


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54268pr@reply-direct.com WWW.ENVIROTECH-ONLINE.COM IET JANUARY / FEBRUARY 2021


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