when dilute aqueous solutions of sodium dodecyl sulfate ( sds , anionic ) , cethyl trimethyl ammonium chloride ( ctac , cationic ) , and polyoxyethylene lauryl ether ( poe , non-ionic ) were irradiated with gamma-rays at a room remperature , the residual concentration , products , surface tension , and forming power were examined by colorimetric method , ir spectrophotometric method , gaschromatography , ross-miles method , and traube 's stalagnometer etc..
C0003075
anionic
C0022023
ionic