Sodium alkylsulfonates were analyzed using Asahipak GF-310 HQ (a multisolvent GPC column). Since sodium alkylsulfonates 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 (7.6mmID*300mm)
Eluent : 50mM NaNO3 aq./CH3CN=50/50
Flow rate : 0.6mL/min
Detector : Shodex RI
Column temp. : 40°C
