Description General description Nonylphenol monoethoxylate belongs to the class of alkylphenol ethoxylate surfactants primarily used for households, industry and agriculture. Application Nonylphenol monoethoxylate may be used as an analytical reference standard for the determination of the analyte in: • Fish and shellfish by high performance liquid chromatography-fluorescence detection (HPLC-FLD). • Wastewater and sewage sludge by gas chromatography-mass spectrometry (GC-MS). Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.