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IEC TR 63025:2021

Insulating liquids - Quantitative determination of methanol and ethanol in insulating liquids

General information
Valid from 12.07.2021
Directives or regulations
None
Standard history
Status
Date
Type
Name
12.07.2021
Main
IEC TR 63025:2021(E) specifies two test methods for methanol and ethanol determination in insulating liquids. Methanol (MeOH) and ethanol (EtOH) are two light alcohols generated during the degradation process of cellulosic materials. They are soluble in insulating liquids so they can be regarded as ageing tracers whose concentrations in oil reflect the degradation of insulating cellulosic materials in liquid-impregnated transformers.
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