Nonylphenol Ethoxylates (1) (GF-310 HQ)

Nonylphenol ethoxylate was analyzed using Asahipak GF-310 HQ ( an Aqueous/Organic (multi-solvent use) SEC column ). The elution pattern is completely different according to the acetonitrile concentration.
Please refer to Analysis Method for Surfactants


Sample : 200 mg/L Nonylphenol ethoxylate (Polyethylene glycol mono-4-nonylphenyl ether n=5), 50 μL


Column       : Shodex Asahipak GF-310 HQ (7.5 mm I.D. x 300 mm)
Flow rate    : 0.6 mL/min
Detector     : UV (220 nm)
Column temp. : 40 °C

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