IEC/TR 61946-2007 矿物绝缘油.石蜡/环烷的自然特性.低温差分扫描量热测量(DSC)试验方法

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标准号:IEC/TR 61946-2007
中文标准名称:矿物绝缘油.石蜡/环烷的自然特性.低温差分扫描量热测量(DSC)试验方法
英文标准名称:Mineral insulating oils - Characterization of paraffinic/naphthenic nature - Low temperature differential scanning calometry (DSC) test method
标准类型:E38
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:E38
国际标准分类号:29.040.10
引用标准:IEC 60475
适用范围:This technical report offers 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.

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