使用水/有機(jī)溶劑兩用型色譜柱asahipak gf-310 hq(4.6 mm i.d. x 100 mm)進(jìn)行陰離子表面活性劑的微量分析。sample : (a); 5 μm each, (b); 0.5 μm each1. dtma+, n-dodecyltrimethylammonium ion2. ctma+, cetyltrimethylammonium ion3. tddba+, tetradecyldimethylbenzylammonium ion4. 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 ℃