Laboratory Equipment and Lab Product News

Consistent Consumable Quality Improves CHN Microanalysis Results

Exeter Analytical

28/10/2014

Exeter Analytical reports on how the consistency and quality of routine microanalysis consumables can have a significant effect on the variability of determined percentage carbon, hydrogen and nitrogen (CHN) results.An existing user of an Exeter Analytical Model 440 CHN analyser, driven by tight budgetary considerations, elected to try to save some money by buying consumables from a non-certified supplier. However after a few weeks they noticed that blank carbon and...

Determining Percentage Carbon, Hydrogen & Nitrogen in Liquid Samples

Exeter Analytical

09/10/2014

Exeter Analytical has published an application note demonstrating the utility of its Model 440 CHN microanalysis system for precise determination of percentage Carbon, Hydrogen and Nitrogen content of often demanding liquid samples.The analysis of liquid samples, including volatile liquids, can be done quite easily on the Exeter Analytical Model 440 system without sacrificing accuracy or precision and without the need for expensive liquid autosamplers.The new application...

Measuring the Organic Content in Geological Materials

Exeter Analytical

07/04/2014

Exeter Analytical reports that its Model 440 CHN Analyser provides a precise and accurate tool for determining the organic content of geological samples including soils, sediment and fossil fuels. As the Model 440 provides complete control over combustion parameters it is able to reproducibly achieve 100% combustion with the widest range of geological sample types. Though incorporation of extensive automation in the Model 440 and intuitive software – the percentage...

Determining the Value of Waste Materials as Fuel Feedstock

Exeter Analytical

18/03/2014

Exeter Analytical Inc. has announced how their Model 440 CHN Elemental Analyzer is being widely used to determine the suitability of a waste material for use as a fuel in waste to energy plants.Key to assessing the value of a waste material as a potential fuel feedstock is in determining its Carbon (C) and Hydrogen (H) content. The Carbon concentration when measured in conjunction with calorific value gives a measure of the energy content and therefore the usefulness...

Entry Level System Provides Top CHN Microanalysis Performance

Exeter Analytical

25/02/2014

Exeter Analytical has introduced an entry-level manual version of their high performance Model 440 Elemental Analyser for determining percentage levels of carbon, hydrogen and nitrogen (CHN) quickly, easily and reliably across the widest range of sample types.Competitively priced, the manual Model 440 offers labs running smaller numbers of samples a no-compromise entry point into high performance CHN analysis.The manual Model 440 is based upon Exeter Analytical’s...

Accurate Analysis of Carbon Fibre Composites

Exeter Analytical

03/12/2013

Exeter Analytical, specialists in elemental microanalysis, has developed proprietary techniques based on their Model 440 CHN analyser to enable accurate determination of percentage Carbon (C) and Hydrogen (H) in Carbon fibre composite materials.Carbon fibre analysis is of great interest to developers of products that benefit from the unique strength to weight ratio and rigidity of Carbon fibre reinforced materials - often referred to as carbon fibre composites. ...

Fast & Precise Biomass Analysis Tool

Exeter Analytical

12/09/2013

Exeter Analytical reports that its Model 440 Elemental Analyser provides a fast and precise analytical tool for the biomass industry.Identifying a particular tree, crop, grass, or algae with the chemical composition to make it an optimal biofuel candidate has traditionally been laborious and painstaking. The Exeter Analytical Model 440 Elemental Analyser can analyse a sample in as little as 6 minutes to provide precise percentage Carbon (C), Hydrogen (H) and Nitrogen...

Elemental Analyser Assists Monitoring of the Carbon Cycle

Exeter Analytical

29/04/2013

Exeter Analytical reports that a growing number of laboratories are using its Model 440 CHN elemental analyser to accurately determine percentage organic and inorganic carbon levels at different parts of the carbon cycle.The carbon cycle is the biochemical process by which carbon is exchanged among the biosphere, pedoshere, geosphere, hydrosphere and atmosphere of the Earth. Along with the nitrogen cycle and the water cycle, the carbon cycle comprises a sequence of events...

Percentage Carbon, Hydrogen and Nitrogen Determination in Volatile Samples

Exeter Analytical

07/02/2013

Exeter Analytical Inc. has developed a reliable sample preparation technique that enables accurate determination of the percentage Carbon (C), Hydrogen (H) and Nitrogen (N) in difficult to analyze volatile samples. The same sample preparation technique has been found to also generate excellent results from air sensitive and hygroscopic samples.Knowledge of the CHN content of volatile petroleum products and lubricants can be useful in determining their performance...

Optimised CHN Analyser for Service Labs

Exeter Analytical

29/01/2013

In an environment where time is money - service laboratories worldwide trust the Exeter Analytical Model 440 CHN analyser because of its proven capability to accurately analyse the widest range of sample types - quickly, easily and reliably. Operating across a wide linear range the Model 440 is capable of routinely analysing almost any sample type including organic compounds, pharmaceuticals, petrochemicals, polymers, refractory, environmental or natural materials (soil,...