Applications

Analgesics, Pharmaceutical Formulations

Mandelic Acid Benzyl Ester, Ortho Ethoxybenzamide, Isopropylphenazone - Silica

	Operating Conditions Sample Dissolved in: iso-octane/methylene chloride Adsorbent Used: DAI Silica 32-63 Stationary Phase: 10% water Eluent: iso-octane: methylene chloride = 3:7 + 10% water Sample Volume: 1 ml Flow rate: 10 ml/min Operating Pressure: 28 psi Column Size: 9mm x 300 mm Temperature: 20ºC Detection: UV detector 251 nm
	Substances Separated Sample (mg) Retention Volume (ml) 1. benzene 3.5 10 2. mandelic acid benzyl ester 1.0 30 3. o-ethoxybenzamide 1.0 60 4. isopropyl phenazone 0.1 240

 

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