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OIT oxidation stability as oxidation induction time or oxidation induction temperature via DSC

ISO 11357-6 Oxidation resistance as Oxidation; dynamic (OIT= oxidation induction temperature) or isothermal (oxidation induction time) by Diffential Scanning Calorimetry DSC. In the isothermal method, the sample is heated under nitrogen atmosphere at a defined temperature, then switched to oxigen or air atmosphere and the time until the onset of oxidation is determined. For the dynamic test, the sample is heated under an oxigen or air atmosphere at a constant heating rate until onset of oxidation, the temperature at which the oxidation starts is determined.

test method:Material analysis
Norms: ISO 11357-6 (2018-03)
Needed sample size:100 mg

Standardprüfungen

OIT dynamical (oxydation induction temperature)
The sample is heated under oxygen or air atmosphere at a constant heating rate to oxidation, measuring the temperature at which the oxidation starts.


OIT isothermal (oxydation induction time)
The sample is heated under nitrogen atmosphere at a defined temperature, then switched to an oxygen atmosphere and the time until the oxidation begins measured.




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