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- W4232127002 abstract "Automated analysis of methamphetamine (MA) and amphetamine (AP) in human urine was made by using PrepStation® with gas chromatograph / mass spectrometer (GC / MS). Using “an extraction-derivatization solution”, which was made up of chloroforrn, isopropylalcohol and propylchloroformate (150:50:1, v/v/v), it was possible to extract and derivatize MA and AP simultaneously. This method was applied to actual urine specimens. The analysis time for 1 sample was approximately 30 minutes. Linear calibration curves, using the internal standard method, were obtained throughout the concentration range from 0.25 to 5 μg/ml in either the scan or selected ion monitoring (SIM) mode. Using a scan mode the detection limits were 1 μg/ml for both MA and AP and using a SIM mode the limits were 0.25 μg/ml for both MA and AP. The system studied here appeared simple and useful towards its application in daily duties." @default.
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- W4232127002 date "2000-01-01" @default.
- W4232127002 modified "2023-10-18" @default.
- W4232127002 doi "https://doi.org/10.3408/jasti.4.91" @default.
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