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Determination of methamphetamine in urine samples with sodium 1,2-naphthoquinone-4-sulphonate

✍ Scribed by C. Molins Legua; P. Campins Falcó; A. Sevillano Cabeza

Book ID
112291917
Publisher
Springer
Year
1994
Tongue
English
Weight
539 KB
Volume
349
Category
Article
ISSN
1618-2650

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Sodium 1,Znaphthoquinone 4-sulphonate (NQS) was tested as a reagent for amphetamine in order to develop an extractive-spectrophotometric method for the determination of the drug in urine samples. The standard additions method showed the absence of proportional bias error whereas the Youden method an

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## AIMtraCt The determination of amphetamine and methamphetamine in urine by the H-point standard additions method (HPSAM) is described. An extraction-spectrophotometric method for the determination of these drugs with sodium 1,Znaphthoquinone 4-sulphonate using n-hexane-ethyl acetate (1: 1) as th