101350 Separation and quantitative determination of long-chain alkyltrimethylammonium ions

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Separation and quantitative determination of long-chain alkyltrimethylammonium ions

Summary

Type: HPLC
Application #: 101350
Catalog#: 720019.46 - MN HPLC Column, Nucleosil Phenyl, 100A, 7um, 4.6x250mm
Detection: UV 254nm
Conditions: a) eluent: methanol - water (75:25) containing 0.4mM sodium naphthalene-2-sulphonate and 20mM phosphoric acid.
flow rate 1ml/min

b) eluent: methanol - water (55:45) containing 5mM p-toluenesulphonic acid,
flow rate 1ml/min
Authors: Helboe P
Source: J Chromatogr 261 (1983) 117 - 122


Details


Legend: Chromatograms of approx. 16nmol each of four alkyltrimethylammonium bromides: dodecyltrimethylammonium bromide (DTMA), tetradecyltrimethylammonium bromide (TTMA), cetyltrimethylammonium bromide (