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Differential Scanning Calorimeter – DSC


Heat Flow measurements from -180°C up to 1750°C

Die Dynamische Differenz-Kalorimetrie oder Differenz-Thermoanalyse (Englisch: Differential Scanning Calorimeter – DSC) ist eine sehr weit verbreitete Methode zur Bestimmung von Umwandlungstemperaturen und Enthalpieänderungen an Feststoffen und Flüssigkeiten bei kontrollierter Temperaturänderung.

Das Funktionsprinzip ist die Messung des Wärmeflusses zwischen der Probe und einer Referenz. Dies geschieht über eine definierte Wärmeleitstrecke. Der Wärmefluss wird dabei in Abhängigkeit von einer äußeren Temperaturänderung aufgezeichnet.

Durch unsere langjährige Erfahrung konnten wir mit der Linseis Chip-DSC 10, Chip-DSC 100 und DSC PT1600 eine Modellreihe an Differenzial-Kalorimetern entwickeln um jeder Anforderung aus Forschung / Entwicklung und Qualitätskontrolle in einem Temperaturbereich von -180°C bis 1750°C und unter Drücken von bis zu 300 bar gerecht zu werden.

The following interesting physical properties of materials can be measured:
  • enthalpy
  • melting energy
  • specific heat
  • glass transition
  • crystallinity
  • reaction enthalpy
  • OIT/OOT
  • thermal stability and oxidation stability
  • aging
  • purity
  • eutectics
  • polymorphs
  • thermochromism
  • curing and
  • cure kinetics

    Products


    of Differential Scanning Calorimeter

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    Chip-DSC 1
    Chip-DSC 1

    The all new Chip-DSC 1 integrates all essential parts of DSC: furnace, sensor and electronics in a miniaturized housing. The chip-arrangement comprises the heater and temperature sensor in a chemically inert ceramic arrangement with metallic heater and temperature sensor.This arrangement allows superior reproducibility and due to the low mass outstanding temperature control and heating rates of up to 100 K/min. The integrated sensor is easily user exchangeable and available for a low cost.The integrated design of the chip-sensor delivers superior raw data, which enables a direct analysis without pre- or post-processing of heat flow data.The compact construction, leads to a significant reduction in production cost which can be passed on to our customers. The low energy consumption and unrivaled dynamic response result in unsurpassed performance of this revolutionary DSC-concept.

    Product number: GG/CHIP DSC 1

    Applications with Differential Scanning Calorimeter

    • Phase transitions – Determination of melting and crystallization points as well as phase transitions by measurement of the change of enthalpy over temperature
    • Determination of Glass Temperature – Measurement of TG with high resolution calorimetric detection
    • Measurement of specific heat CP – Determination of specific heat CP of solids and liquids with sapphire standard
    • Enthalpy measurement of chemical reactions – Determination of endothermic and exothermic enthalpy ΔH of chemical reactions
    • Measurement of thermal / oxidative stability – Determination of OIT (Oxidation Induction Time) in various gas atmospheres and at different pressures

    Possible measurement conditions of our DSC´s

    • Temperature range from -180°C up to 1750°C
    • Various gas atmospheres: air, nitrogen, helium, argon, getter gas, vacuum etc.
    • Pressure from 10-5 mbar up to 150 bar
    Our instruments operate in agreement with national and international standards such as: ASTM C 351, D 3417, D 3418, D 3895, D 4565, E 793, E 794, DIN 51004, 51007, 53765, 65467, DIN EN 728, ISO 10837, 11357, 11409.