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- W1978214371 abstract "A HPLC method has been developed that permits the sensitive determination of beta adrenergic blocking drugs, including acebutolol, metoprolol, oxprenolol, pindolol, and propranolol. These compounds were converted to their chromophoric dabsyl derivatives and were separated by a reversed phase chromatographic column (μ.-Bondapak C18) with methanol-water (75:25) as isocratic mobile phase. The derivatives were detected by a variable wavelength dedector operating at 430 nm. The method was applied to commercial pharmaceutical preparations and the results were statistically compared with those obtained by official methods using t- and F-tests. HPLC-Bestimmung einiger Betablocker als Dabsyl-Derivate Es wurde eine empfindliche HPLC-Methode zur Bestimmung von Beta-Blockern einschl. Acebutolol, Metoprolol, Oxprenolol, Piodolol und Propranolol entwickelt. Dabei wurden die Substanzen in ihre chromophoren Dabsyl-Derivate überführt und durch Umkehrphase-Hochdruckflüssigkeitschromatographie auf der μ, Bondapak C-18 Säule mit Methanol-Wasser (75:25) getrennt. Die Detektion erfolgte mittels Fixwellenlängendetektor bei 430 nm. Die Methode wurde auch für die Bestimmung handelsüblicher Arzneiformen verwendet. Die Ergebnisse wurden mit den offiziellen Methoden über t- und F-Tests verglichen." @default.
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- W1978214371 date "1990-01-01" @default.
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- W1978214371 title "Determination of Some β-Blockers as Dabsyl Derivatives by HPLC" @default.
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- W1978214371 doi "https://doi.org/10.1002/ardp.19903230906" @default.
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