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Sodium Alkyl Sulfates

Sodium alkyl sulfates were analyzed using Asahipak GF-310 HQ (an Aqueous/Organic (multi-solvent use) SEC column). Since sodium alkyl sulfates have no UV absorption, an RI detector should be used for the detection.

Sample : 0.5%, 20μL
1. Sodium decyl sulfate
2. Sodium lauryl sulfate



Column : Shodex Asahipak GF-310 HQ (7.5mmI.D. x 300mm)
Eluent : 50mM NaNO3 aq./CH3CN=50/50
Flow rate : 0.6mL/min
Detector : Shodex RI
Column temp. : 40°C