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IEC/TR 61946-ed.1.0
Mineral insulating oils - Characterization of paraffinic/naphthenic nature - Low temperature differential scanning calorimetry (DSC) test method
STANDARD published on 23.2.2007
The information about the standard:
Designation standards: IEC/TR 61946-ed.1.0
Publication date standards: 23.2.2007
SKU: NS-407782
The number of pages: 27
Approximate weight : 81 g (0.18 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC/TR 61946-ed.1.0 :
Describes a test method for the classification of mineral insulating oils as either paraffinic or naphthenic, by means of low-temperature differential scanning calorimetry (DSC). For the purpose of this technical report, the typical operating temperature range extends from -100 °C to +100 °C. The temperature range can be extended, depending upon the instrumentation used. The method is applicable to mineral insulating oils obtained from petroleum crudes. It may be also applied to mineral oils containing pour point depressants, as these additives do not prevent the formation of paraffin crystals but only the growing of such micro-crystals. Couvre une methode dessai pour la classification des huiles minerales isolantes telles que paraffiniques ou naphtheniques, au moyen de lanalyse calorimetrique differentielle a balayage a basse temperature (DSC). Dans le cadre du present rapport, la plage typique de temperatures de fonctionnement setend de -100 °C a +100 °C. La plage de temperatures peut etre etendue en fonction des appareils de mesure utilises. La methode est applicable aux huiles minerales isolantes obtenues a partir de petroles bruts. Elle peut egalement etre appliquee aux huiles minerales contenant des ameliorants de point decoulement, car ces additifs nempechent pas la formation de cristaux de paraffine mais uniquement le developpement de micro-cristaux.
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