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Standard Test Method for Assignment of the Glass Transition Temperatures by Differential Scanning Calorimetry or Differential Thermal Analysis
Automaticky preložený názov:
Štandardná skúšobná metóda pre pridelenie teploty skleného prechodu diferenčnej skenovacej kalorimetrie alebo diferenčné termickej analýzy
NORMA vydaná dňa 10.5.1998
Označenie normy: ASTM E1356-98
Poznámka: NEPLATNÁ
Dátum vydania normy: 10.5.1998
Kód tovaru: NS-41474
Počet strán: 4
Približná hmotnosť: 12 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
differential scanning calorimetry (DSC), differential thermal analysis (DTA), glass transition, specific heat capacity, ICS Number Code 17.200.10 (Heat. Calorimetry)
1. Scope | ||||||||||||
1.1 This test method covers the determination of the glass transition temperature of materials using differential scanning calorimetry or differential thermal analysis. 1.2 This test method is applicable to amorphous materials or to partially crystalline materials containing amorphous regions, that are stable and do not undergo decomposition or sublimation in the glass transition region. 1.3 The normal operating temperature range is from -120 to 500°C. The temperature range may be extended, depending upon the instrumentation used. 1.4 Computer or electronic-based instruments, techniques, or data treatment equivalent to this test method may also be used. Users of this test method are expressly advised that all such instruments or techniques may not be equivalent. It is the responsibility of the user of this standard to determine the necessary equivalency prior to use. In the case of dispute, only the manual procedures described in this test method are to be considered valid. 1.5 This standard does not purport to address the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. |
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