1981
DOI: 10.1016/s0021-9673(00)98532-7
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Quantitation of cocaine in a variety of matrices by high-performance liquid chromatography

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Cited by 31 publications
(3 citation statements)
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“…Adulterants are commonly added to prepared cocaine, resulting in low concentrations of the actual drug [19], It was therefore necessary to purify the drug before starting the experiment. One gram of cocaine was diluted in 100 ml of 2 N ammonium hydroxide.…”
Section: Drug Purificationmentioning
confidence: 99%
“…Adulterants are commonly added to prepared cocaine, resulting in low concentrations of the actual drug [19], It was therefore necessary to purify the drug before starting the experiment. One gram of cocaine was diluted in 100 ml of 2 N ammonium hydroxide.…”
Section: Drug Purificationmentioning
confidence: 99%
“…This procedure has a relative deviation of ~2.3% and is applicable to samples containing a wide variety of diluents and adulterants. Quantitation of cocaine from a variety of matrixes has also been accomplished by HPLC (84). In this procedure a reverse-phase packing with UV detection enabled the authors to quantitate cocaine in a variety of mixtures.…”
Section: {26)mentioning
confidence: 99%
“…Η αντίστροφη φάση που χρησιμοποιείται είναι στήλη ODS, με κινητή φάση μίγμα πολικών οργανικών διαλυτών (MeOH, ACN) με υδατικό διάλυμα ρυθμισμένο σε όξινο pH. Η ρύθμιση της τιμής του pH γίνεται με προσθήκη καταλλήλων ρυθμιστικών διαλυμάτων: 2.5 με φωσφορικά [283][284][285], pH 2.7 με φωσφορικά [286][287][288], pH 3 με θειικά [289], pH 3.8 με φωσφορικά [290], ή τέλος pH 4.3 με προσθήκη μίγματος HCI/NH4NO3 [291]. Εχει επίσης αναφερθεί η χρήση αλκαλικής κινητής φάσης από MeOH και υδατικό ρυθμιστικό διάλυμα Na2HP04 και NaH2P04 με τιμή pH 8.2 [159] ή και pH 10.0 [217].…”
Section: ανάλυση κοκαΐνης με Hplcunclassified