The life of a power transformer mainly depends on the condition of the insulating paper and the most accurate method for evaluating the degradation of insulating paper in a transformer is to measure its degree of polymerization, but it is impossible to directly check the inside of the transformer in operation. Therefore, the evaluation can be conducted by analyzing Furanic compounds which are generated by the degradation of cellulosic materials used in the insulating paper to make a decision for transformer replacement and maintenance.

The precision is calculated by 10 sequence injections according to ASTM D5837 and the method detection limit (MDL) is referred by Environment Research QA/QC Handbook by National Institute of Environmental Research (2011).
The solid phase extraction was adopted as a preparation method due to its highest sensitivity with the superior extraction efficiency and the great peak shape.

ChroZen ASTM D5837 Player guarantees the reliable data for analysis of furanic compounds according to ASTM D5837.