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ACCLAIM oa - Cromlab

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Pharmaceutical ApplicationsPharmaceutical12mAU01Isocratic Resolution of Antihistaminesand Their Impurities on Acclaim 120 C1820 2 4 6 8Minutes341012 14Column: Acclaim 120 C18, 5 µmDimensions: 4.6 × 150 mmMobile Phase: (A) 50 mM sodium acetate(B) MethanolIsocratic: (A) 20%, (B) 80%Temperature: 25 °CDetection: UV, 249 nmPeaks: 1. Thenyldiamine HCI2. Phenothiazine3. Promethazine HCI4. Pyrrobutamine phosphate175100.18AU12345 60 5 10MinutesBeta Blockers on Acclaim PA278Column: Acclaim PA2, 5 µmDimensions: 4.6 × 150 mmMobile Phase: MeOH/0.2% NH 4 OH, pH10, v/v, 60/40Temperature: 30 °CFlow Rate: 1.0 mL/minInj. Volume: 5 µLDetection: UV, 210 nmPeaks: (40 ppm each)1. Maleate2. Labetalol3. Metaraminol4. Atenolol155. Acebutolol6. Metoprolol7. Timolol8. Oxprenolol21134Separation of Four Benzodiazepine Drugs on Acclaim 120 C18200mAU01230 1 2 3 4 5 6 7 8 9 10Minutes4Column: Acclaim 120 C18, 5 µmDimensions: 4.6 × 150 mmMobile Phase: 60% acetonitrileFlow Rate: 1.0 mL/minDetection: UV, 235 nmPeaks: 1. Oxazepam2. Clonazepam3. Temazepam4. Diazepam17511350mAU0Separation of Five Antidepressants on Acclaim PA120 1 2 3 4 5 6 7 8Minutes345Column: Acclaim PA, 5 µmDimensions: 4.6 × 150 mmMobile Phase: 80/20 v/v MeOH/30 mM phosphate, pH 6.0Temperature: 30 °CFlow Rate: 1 mL/minInj. Volume: 5 µLDetection: UV, 220 nmPeaks: 1. Protriptyline 502. Nortriptyline 253. Doxepin 504. Imipramine 405. Amitriptyline 5019299700nC0–1000Spectinomycin and Lincomycin on Acclaim PAwith Electrochemical Detection51013215 20Minutes42553035Column: Acclaim PA, 3 µmDimensions: 2.1 × 150 mmMobile Phase (A) 10 mM acetic acid,3.3 g/L pentanesulfonic acid,pH 4.0 with NaOH(B) 10 mM acetic acid,0.55 g/L pentanesulfonic acid,pH 4.0 with NaOH(C) AcetonitrileGradient: Time % A % B % C0.0 70 30 010.0 70 30 010.1 0 100 020.0 0 100 023.0 0 75 2537.0 0 75 25Flow Rate: 0.30 mL/minTemperature: 40 °CInj. Volume: 10 µLDetection: Postcolumn addition of0.5 M NaOH at 0.12 mL/min;pulsed amperometric detectionPeaks: 1. Benzyl alcohol2. Spectinomycin anomer 13. Spectinomycin anomer 24. Spectinomycin5. Lincomycin800mAU01234Venlafaxine and Related Substances5 6 70 10 20 30 40 50MinutesData courtesy of: V. Bhate of Analytical Solutions89 10 11Column: Acclaim 120 C18, 5 µm,4.6 × 250 mmPump: Summit P680AMobile Phase: (A) 10% acetonitrile; 90% water;1.0 mL/L triethylamine,adj. to pH 3.5 with phosphoric acidMobile Phase: (B) 75% acetonitrile; 25% water;1.0 mL/L triethylamine,adj. to pH 3.5 with phosphoric acidFlow: 1.0 mL/minGradient Times: 0 35 40 45 47 55%A: 95 25 10 10 95 95%B: 5 75 90 90 5 5Temperature: TCC100 thermostat at 35 °CInjection: ASI-100 autosampler; 20 µLDetector: UVD 340U; UV at 226 nmSample: “Resolution” test mixPeaks: 1. Impurity 1 10 µg/mL2. Impurity A 103. FL II 104. Venlafaxine 10005. Impurity III 106. Impurity C 107. Impurity B1 108. PMPA 109. Impurity IV 1010. FL I 1011. Impurity V 10APPLICATIONS2038422660www.dionex.com - 29 -

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