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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

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



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