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Environmental Laboratory ICP-MS portfolio for greater customer focus announced


Analytik Jena continues to develop its PlasmaQuant MS series. In the future, customers will be able to configure every system in the ICP-MS series to suit their individual requirements. In addition to the PlasmaQuant MS and MS Elite models already available, two additional models are introduced. The PlasmaQuant MS Q is optimised for high- throughput applications, such as quality control for consumer goods, food inspection, or environmental monitoring. The second new model, the PlasmaQuant MS Elite S, was developed for routine analysis of ultratraces and offers an extremely high level of sensitivity. It is especially suitable for industries where analysis depends on the lowest detection limits and the highest recovery rates - such as applications in the semiconductor industry, quality control for high-purity chemicals, or in geochemistry and geochronology.


“With the new ICP models, the MS Q and MS Elite S, which have been specifically optimised for customer requirements in our seven key industries, we are consistently expanding the range of applications of


XPERT-TOC/TNb


Monitoring levels of Organic Carbon in seawater has become an important parameter for the understanding of the global carbon cycle. Therefore,


accurate determination of TOC concentrations in seawater is critical. Total Organic Carbon analysis in seawater matrices can be more challenging due to the composition of water, salts and other substances including dissolved inorganic as well as organic materials. The XPERT-TOC analyser is designed to analyse complex mixtures with a variety of particle sizes and wide concentration range, without using any additional options or accessories.


Introduction – The XPERT-TOC is equipped with an integrated 65 position autosampler including a vial stirrer for each location. When running NPOC analyses, the samples are automatically pretreated. Prior to the sample pick up the sampler needle is washed and the sample is homogenized. The sample will be aspirated by the internal syringe driver into a sample holding loop without contacting any valve or the internal syringe itself. Due to the internal diameter of the tubing and the injection needle, samples containing particles up to 800µm can easily be analysed.


Combustion – The sample is introduced directly into the combustion tube which is held at a temperature of 680°C in the furnace. Under constant carrier gas conditions, the Organic Carbon in the sample is converted in the combustion tube to Carbon dioxide.


Conditioning – The gasses from the combusted sample flow through the condenser where the moisture/water vapor condensates. Subsequently, halogens and acid fumes are trapped and removed by the scrubber.


Detection – The Carbon dioxide gas in the sample stream is guided through a Non-Dispersive Infrared Detector (NDIR) for quantification. The signal response from the detector is directly linear proportional to the concentration of the Carbon dioxide. The reported results can be transferred into any available LIMS environment.


Calibration – The calibration curve (>0.999 r2) is generated from standards prepared from a single stock standard of 100 mg/L. The stock standard is prepared by dissolving anhydrous potassium hydrogen phthalate in UPW. The stock standard was further diluted to generate the required standards in the range of 0 – 100 mg/L. Obtained results can be found in the table above.


For live on-site demonstrations or if you wish to receive more information, feel free to contact TE Instruments! More Information online: ilmt.co/PL/jpPn For More Info, email:


50354pr@reply-direct.com


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: Total Organic Carbon Analysis in Seawater


the ICP-MS technology. Whether for high- throughput, routine, or research applications, the technological advantages of the PlasmaQuant MS series in combination with the new application-optimised upgrade options make it possible to achieve optimal, tailor-made solutions for our customers,” explained Dr Marc Diener, Director of Product Management and Application at Analytik Jena, the expanded range of applications of the PlasmaQuant MS product series.


With the two new ICP-MS models, the company aims to serve users who require a particularly high degree of performance flexibility in their ICP-MS applications. Customers receive virtually unlimited freedom of application. Depending on the matrix load of the samples and the individual performance requirements for sensitivity and throughput, analysis of more than 80 samples per hour is possible. The continued development of the ICP-MS portfolio serves to optimise the ICP-MS technology from Analytik Jena for special and routine applications in the company’s seven key industries: pharmaceutical, chemical, oil and gas, food, environment, energy, and geology and mining.


Analytik Jena additionally offers a wide range of upgrade options to tailor all systems in the PlasmaQuant MS series for the requirements of their respective fields of application.


More information online: ilmt.co/PL/3Z5j 48244pr@reply-direct.com


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New triple-phase SPME fibres and arrows quickly


extract both volatiles


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and semivolatiles Restek first


launched solid phase microextraction (SPME) automated sample preparation fibres to reduce sample handling and solvent consumption


in many industries, such as environmental, food, and clinical. Soon after came rugged Restek PAL SPME Arrows, a revolution in microextraction that combines exceptional robustness with faster extraction times and trace-level sensitivity. Now, both fibre and Arrow lines are being expanded, including the addition of a sought- after triple-phase offering.


Of significant interest to many analysts, new triple-phase SPME fibres and Arrows provide exceptional versatility. This divinylbenzene (DVB)/ carbon wide range (WR)/polydimethylsiloxane (PDMS) combination can be used for quick and efficient extraction of a wide range of both volatiles and semivolatiles, and it is an excellent choice for decision-making during method development because it combines the characteristics of three popular phases.


More information online: ilmt.co/PL/AR0j 49683pr@reply-direct.com


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IET September / October 2019 www.envirotech-online.com


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