Applications

Pharmaceutical Formulations

Ultrapyrin, ethoxybenzamine, d-propoxyphene, HCI, NAPAP

	Operating Conditions Sample Dissolved in: iso-octane/methylene chloride Adsorbent Used: DAI Alumina Stationary Phase: 5% water Eluent: iso-octane: methylene chloride = 9:1 + 20% acetic acid Sample Volume: 1 ml Flow rate: 20 ml/min Operating Pressure: 31 psi Column Size: 9mm x 300 mm Temperature: 20ºC Detection: UV detector 251 nm
	Substances Separated Sample (mg) Retention Volume (ml) 1. o-ethoxybenzamide 0.5 15 2. dextro-propoxyphene-HCI 2.0 40 3. NAPAP (n-acetyl para-aminophenol) 0.2 280

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