Practical Food Applications of Differential Scanning Calorimetry
2 Nov 2012Differential scanning calorimetry (DSC) is a thermal analysis technique to measure the temperature and heat flows associated with phase transitions in materials, as a function of time and temperature. DSC is particularly suitable for analysis of food systems because they are often subject to heating or cooling during processing. The calorimetric information from DSC can be directly used to understand the thermal transitions that the food system may undergo during processing or storage. DSC is easy to operate and in most cases no special sample preparation is required. This application note describes a number of important food applications utilizing PerkinElmer DSC and demonstrates the versatility of the technique as a tool in the food industry.
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DSC 4000
PerkinElmerWith PerkinElmer's DSC 4000 you can expect dependable performance and quality results. This single-furnace, heat flux DSC is designed to run all your routine applications day-in and day-out. Designed with you in mind, this system has an easy-to-load vertical furnace that is rugged, resistant to oxygen and chemical corrosion to keep your lab running smoothly. Easily upgradeable to a DSC 6000, this instrument can also be fitted with an optional 45-position autosampler for unattended operation during peak and off-peak hours. Our DSC 4000 offers you the consistency, reliability and superior ease-of-use you’ve been looking for: • Integrated mass flow controller for convenient gas control and switching • Fast 45-position autosampler option for reliable unattended operation • Portable cooling device (PCD) for cost-effective operation at low temperature • Efficient, easy-to-clean nickel chromium sample plate Typical applications for the DSC 4000: • QA/QC testing • Undergraduate teaching practicals • Evaluating additives for plastic lifetime optimization • Ideal for Oxidation Induction Test (OIT)
DSC 6000
PerkinElmerSee what enhanced performance can do for you. DSC 6000 – Advanced single furnace design with MT-DSC PerkinElmer's DSC 6000 gives you all the advantages of the DSC 4000 and more. Designed for research application, the DSC 6000 comes with Modulated Temperature DSC (MT-DSC) technology for easier data interpretation, and new capabilities for product development and troubleshooting. The DSC can also be fitted with an optional autosampler and photocalorimetry accessory. MT-DSC, enabling you to separate kinetic events and interpret data with greater ease:• Optional photocalorimetry accessory for more advanced analysis of photo-initiated reactions • Scanning rates up to 0.1 ºC to 100 ºC for broad applications flexibility Typical applications for the DSC 6000: • Characterizing materials during product and process development • Trouble-shooting product quality issues • Academic research and post-graduate studies