Environmental Analysis & Electrochemistry
Achieve Ultra-trace Analysis Using Atomic Fluorescence Spectroscopy
Coupling Atomic Fluorescence Spectroscopy (AFS) with either cold vapour generation or hydride generation has been PS Analytical’s (PSA) core competency for over 30 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 matrices.
PSA analysers provide excellent detection performance including ultra-trace limits of detection, a linear response over several orders, and minimised interferences from other matrix 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 the 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. More information online:
ilmt.co/PL/2GwL
48018pr@reply-direct.com
New Instrument Fully Automates Sample Preparation for PFAS Analysis in Drinking Water
A new instrument that fully automates sample preparation for the analysis of per- and polyfluoroalkyl substances (PFAS) in drinking water by EPA method 537.1 is designed to help laboratories overcome the challenges associated with current labour-intensive manual methods. Eliminating manual steps supports laboratory cost savings and reduces the risk of errors and re-runs - improving efficiency and enhancing reproducibility.
The Thermo Scientific Dionex AutoTrace 280 PFAS Solid-Phase Extraction Instrument is a high-throughput solid-phase extraction (SPE) system based on the established AutoTrace 280 instrument. The new AutoTrace 280 PFAS system is specifically designed for EPA method 537.1 and alleviates any need for the time-consuming rinsing steps before sample preparation. While fulfilling the stringent requirements of PFAS analysis, the instrument can also run other SPE methods, providing a versatile sample preparation solution for other workflows.
“PFAS are among the most persistent of today’s environmental pollutants and growing concern is putting environmental, municipal water and public health laboratories under increasing pressure to produce accurate, reliable detection with increased throughput,” said Tara Tereso, Vice President and General Manager, Ion Chromatography and Sample Preparation, Thermo Fisher Scientific. “The AutoTrace 280 PFAS is part of Thermo Fisher’s complete range of solutions for PFAS analysis, from water collection through sample preparation, analysis and data generation, and is designed to help laboratories automate sample preparation for greater productivity and more consistent results.”
The AutoTrace 280 PFAS Solid-Phase Extraction Instrument is designed to ensure performance in sample preparation for PFAS analysis in drinking water using the SPE and liquid chromatography/tandem mass spectrometry techniques designated in EPA method 537.1, and similar procedures. It extracts these analytes from large volume aqueous samples easily and efficiently, automating all four steps of SPE (conditioning, loading, rinsing, and eluting), and simultaneously processing up to six samples in 2-3 hours with only 15 minutes of operator involvement.
More information online:
ilmt.co/PL/wZZZ 51996pr@reply-direct.com
New, Flexible Analyser for TOC & TNb Determination in Environmental and Water Samples Introduced
Elementar’s new TOC/TNb analyser, enviro TOC, combines the technical know-how of its predecessor, the vario TOC select, with innovative technologies: The 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. Also samples that contain particles can be analysed adequately: The integrated rinsing functions avoid carryover and contamination. Rapid mode changes allow measuring soil and waste also fully automatic with the same system.
TNb determination is realised flexibly, either the proven electrochemical cell or an innovative, integrated chemiluminescence detector (CLD) can be used. The new CLD concept requires no additional lab space and delivers linearly calibrated, extremely stable measurements resulting in a simple calibration and data evaluation. The brand-new, intuitive instrument software completes the processing and evaluation package. The re-designed user interface combines easy handling with flexible operation and is the perfect solution for entering the world of TOC/TNb analysis.
The powerful furnace with temperatures of up to 1,200°C ensures full recovery and complete oxidation even of highly stable carbon compounds like humic or fulvic acids or particle-containing samples.
An additional highlight is the SALTTRAP matrix separation. It provides effective protection of the combustion tube and detector against corrosion when analysing concentrated salt solutions. SALTTRAP matrix separation and the user-friendly maintenance concept guarantee a long lifetime and low operating costs of the enviro TOC.
More information online:
ilmt.co/PL/ZJ5K 51754pr@reply-direct.com
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