PCB-free transformers oil for sample dilution and analysis
Supplier: Restek
A mineral oil-based transformer oil (Exxon® Univolt® N-61), which has been tested to ensure it is PCB-free.
For ASTM methods used for determining PCB concentrations in various types of transformer oil using GC-ECD detection.
The analyst must dilute transformer oil samples in a solvent prior to injection. The oil in the sample has been shown to quench the ECD. Calibration mixtures of PCBs in transformer oil must be prepared and diluted identically to eliminate the detector quenching bias resulting when samples are analyzed.
Certifications: ASTM Method D4059-00.
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