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Committee endorses full validation of fentanyl GC‑FID method after methanol bias found in initial tests
Summary
Presenters told members that DEA method no. 127 showed a methanol‑related bias in the internal standard response; the committee voted to relabel the agenda item to 'quantitative' and agreed to pursue a full validation using hydrogen as carrier gas.
A committee reviewing laboratory methods voted to relabel and proceed with a full validation of a quantitative fentanyl method after presenters identified a bias related to methanol in the extraction process.
Rachel (S3) said the lab evaluated a method provided by the DEA (method no. 127) that uses hydrogen as the carrier gas for GC‑FID quantitation of heroin and fentanyl. "During the initial evaluation of that method within our laboratory, we did see some…
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