Maintaining high quality CHN microanalytical data

Exeter Analytical, leading specialists in high precision elemental microanalysis of a wide range of analytical samples, has launched a new scheme whereby customers receive free-of-charge training for the lifetime of a newly purchased Model 440 CHN analyser. Determining the Carbon, Hydrogen, Nitrogen, Oxygen and Sulphur content of unknowns is one of the most basic and essential needs for any chemist. Removing sources of variability from these analyses is a critical step in ensuring data quality. As a company dedicated to elemental microanalysis, Exeter Analytical's 25 years of involvement with CHNOS instruments, consumables and supplies has allowed them to better understand the whole problem facing microanalysts. The aim of Exeter Analytical's scheme is to empower new customers with training in every aspect of running their samples thereby enabling laboratories to routinely achieve the highest quality of data irrespective of sample type. Not only does the scheme enable new customers to get up and running as soon as possible - but the lifetime pledge covers you also if staff change. In such circumstances Exeter Analytical will retrain new users at no extra cost. Designed to give accurate, reliable results, over the widest range of sample types presented for analysis the Model 440 is proven to deliver unmatched operating accuracy and precision. The Model 440 uses thermal conductivity detection to measure Carbon, Hydrogen and Nitrogen, after combusting and reducing a sample. Inherently more stable than gas chromatographic based systems the Model 440 delivers superior performance and sampling precision over a very wide range of elemental content. Horizontal sample injection enables automatic removal of sample residue after each analysis, avoiding memory effects and gas flow problems. Low gas and reagent consumption combined with higher reduction tube life allows the Model 440 to deliver the lowest operating costs of any CHN elemental analyser available. The Model 440 is a fully automated analyser. Intuitive Windows based operating software reduces human errors through incorporation of extensive automation, comprehensive customer help and diagnostic facilities.

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