使用水/有机溶剂两用型色谱柱Asahipak GF-310 HQ(4.6 mm I.D. x 100 mm)进行阴离子表面活性剂的微量分析。



Sample : (a); 5 μM each, (b); 0.5 μM each
1. DTMA⁺, n-Dodecyltrimethylammonium ion
2. CTMA⁺, Cetyltrimethylammonium ion
3. TDDBA⁺, Tetradecyldimethylbenzylammonium ion
4. TMSA⁺, Trimethylstearylammonium ion

Column       : Shodex Asahipak GF-310 HQ (4.6 mm I.D. x 100 mm) *特注品
Eluent       : 0.4 mM 4,4'-Dipyridyl-0.8 mM HCl (CH3CN 27 %)
Flow rate    : 0.6 mL/min
Detector     : Suppressed conductivity
Column temp. : 40 ℃