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Posted: Feb 11, 2011

Oil and Moisture Measurement Time Dramatically Reduced for Cellulose Acetate Fibres

(Nanowerk News) Oxford Instruments Magnetic Resonance, the supplier of intelligent NMR, announces that it has developed a method for using its MQC benchtop NMR instrument to simultaneously measure both oil and moisture in cellulose acetate fibres. Getting two measurements in one sample run will greatly increase throughput.
Cellulose acetate fibres are widely used in synthetic fabrics, membranes, and various types of filters. Their use in fibre manufacturing and processing requires the proper amounts of both spin finish oils and moisture. Textile manufacturers' quality control laboratories working with cellulose acetate fibres have previously performed two separate measurements to obtain oil and moisture content.
The Oxford Instruments MQC-23 NMR Analyser can now measure both the spin finish oil and moisture content in the cellulose acetate fibres. One measurement covering both spin finish oil and moisture takes approximately 2 minutes, compared to standard techniques that take about the same amount of time for the moisture sample alone.
"Combining the NMR moisture measurement with the spin finish oil measurement on the Oxford Instruments MQC-23 results in significant time savings over the course of many samples," said Barry Jones, Director of Sales.
The analytical technique is based on direct measurements of NMR response from the spin finish oil and moisture in the fibre samples and quantification of the oil and water content by appropriate calibrations. The calibrations are generated using NMR data acquired for samples with known oil and moisture concentrations. Sample preparation does not require any special equipment or skills and the software application and MQC analyser can be easily operated by a user who is not an NMR expert.
About Oxford Instruments Magnetic Resonance
Oxford Instruments Magnetic Resonance is committed to the development and manufacture of cost-effective instrumentation for industrial quality control and research based on Nuclear Magnetic Resonance (NMR) technology. With leading products and a global sales and service network, Oxford Instruments Magnetic Resonance continues to explore innovative ways to use benchtop NMR for faster and easier measurements. Visit www.oxford-instruments.com for more information on the company and its products.
About Oxford Instruments
Oxford Instruments aims to pursue responsible development and deeper understanding of our world through science and technology. We provide high technology tools and systems for industrial and research markets based on our ability to analyze and manipulate matter at the smallest scale. Innovation has been the driving force behind Oxford Instruments' growth and success ever since the business spun out from Oxford University over 50 years ago, and its strategy is still to effect the successful commercialization of these ideas by bringing them to market in a timely and customer-focused fashion. Oxford Instruments is now a global company with over 1,300 staff worldwide and a listing on the London Stock Exchange (OXIG).
Source: Dais Analytic Corporation (press release)
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