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Follow on Google News | TOC, TIC and TC Determination in Solids And Liquids In A Single InstrumentA new range of versatile catalytic combustion analysers from Analytic Jena are ideal for applications ranging from trace-level analysis of ultrapure waters to the analysis of drinking, ground and surface waters with medium TOC.
By: Analytik Jena Instruments in the range include the Multi N/C 2100, Multi N/C 3100 and Multi N/C UV HS. The novel design provides an extended dynamic range for TOC measurements from 2 ppb up to 30000 ppm without dilution. This allows the systems to be used in applications ranging from trace-level analysis of ultrapure waters to the analysis of drinking, ground and surface waters with medium TOC, or measuring highly contaminated, particulate waste waters. Direct measurement of solids is also possible with all the models in the range with the addition of the HT 1300 high-temperature solids combustion system. A click of the mouse is all that is required to change between solids and liquids mode. This HT 1300 solids module provides catalyst-free high temperature combustion in a robust ceramic combustion tube using an additional furnace which is adjustable up to 1,300 °C.. Large solid samples of up to 3 g can be accommodated, which allows for solids with low homogeneity. The large dynamic measuring range of the N/C range is particularly suited for the detection of high TOC content (up to 500 mg C absolute) in solids. High accuracy results are ensured using patented VITA® technology, which automatically determines the retention time of the sample in the analyzer. This not only leads to good accuracy and sensitivity but also excellent repeatability. VITA improves repeatability from typically 5-10% in the 0.5 – 1.0 mg/l range and 3-5% in the 1000 to 5000 mg/l range to 1-2% across the measuring ranges. In addition, VITA significantly reduces the intervals between calibrations to around 6 months, reducing running costs. Multi N/C series instruments can be calibrated across the entire detection range using a single standard sample, eliminating the need for a large number of standard reference materials. The multi N/C® series can also be used for non-direct TOC determination of samples such as sediments, soil and lime stone using the so-called suspension method with no special accessories. This permits two different methods: TOC detection using the so-called direct method and the differential method. Another option for the detection of the TOC in specific matrices (e.g. sediments, soil, lime stone) is the suspension method. Different devices and technologies can be used to detect the parameter TOC in solid samples. - end - Enquiries: Vince Phelan, Analytik Jena UK, PO Box 932, Wembley, HA0 9EH, UK, Tel: +44 (0)208 429 7466, Fax: +44 (0)208 429 7539 E-mail: sales@aj-uk.co.uk http://www.analytikjenauk.co.uk 145ANJ Wednesday, December 7, 2011 # # # Analytik Jena UK is the UK outlet for a world leader in the manufacture of high quality analytical instrumentation including atomic spectroscopy, molecular spectroscopy and combustion analysis. This diversified product portfolio ranges from classical analysis technology to the strongly growing market of bio-analytical sciences and environmental applications. End
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