使用水/有機溶劑兩用型色譜柱Asahipak GF-310 HQ(4.6 mm I.D. x 100 mm)進行陰離子表面活性劑的微量分析。



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