8Lee HB, Peart TE, Bennie DT, Maguire RJ. Determination of nonylphenol polyethoxylates and their carboxylic acid metabolities in sewage treatment plant sludge by supercritical carbon dioxide extraction[J]. Journal of Chromatography A, 1997, (785): 385-394.
9Jonkers N, Govers H, Voogt PD. Adduct formation in LC-ESI-MS of nonylphenol ethoxylates: mass spectrometrical, theoretical and quantitative analytical aspects[J]. Analytical chemical acta, 2005, (531): 217-228.
10Blackburn M A , Kirby S J , Waldock M J .Concentrations of alkylphenol polyethoxylates entering UK estuaries[J ] . Marine Pollution Bulletin , 1999 ,38 (2) :109-118.
