News: NHML Acquires Differential Scanning Calorimeter (DSC)

April 3, 2006

A Differential Scanning Calorimeter (DSC) is an instrument which accurately measures the heat absorbed or given off from a sample as a function of temperature. Such thermal parameters as the Glass Transition Temperature (TG) (which is the temperature at which a glassy material begins to flow), the melting temperature, and the enthalpy of melting can all be measured by DSC. Our main interest will be the melting temperatures and glass transitions of polymer samples, however, the DSC can measure thermal properties for crystalline organic compounds and liquids as well. DSC data is most often used in conjunction with TGA data (which gives weight loss as a function of temperature) and FTIR data, which provides the identity of a polymer sample. Such thermal parameters as the glass transition, melting point, and decomposition temperature are useful to engineers who must select polymers to withstand a given thermal environment.

New Hampshire Materials Laboratory, Inc. provides chemical and material testing services with special emphasis on Chemical Testing and Analysis, Failure Analysis, Mechanical Testing and Analysis, Metallography, Professional Services for national and international clientele. For more information, contact Tim Kenney at tkenney@nhml.com or www.NHML.com

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