Research Article
A Human Oral Fluid Assay for D- and L- Isomer Detection of Amphetamine and Methamphetamine Using Liquid-Liquid Extraction
Table 8
Stability testing. QC samples were tested for stability after 3 freeze-thaw cycles. They were also tested overnight at the indicated temperatures. A 3- and 7- day postextraction study were also performed at 2–8°C.
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Indicates high QC of 800. |