Simple and Rapid Determination of Linear Alkylbenzene Sulfonates by In-Tube Solid-Phase Microextraction Coupled with Liquid Chromatography

Evaluation of Efficacy of Anionic Surfactant Degradation in the Presence of Concomitant Impurities of Natural Waters

“…[3]) were below the maximum permissible concentration (MPC = 0.5 mg/dm 3 [4]), but their content in some samples exceeded the MPC by a factor of 1.5-2. In a shallow urban stream receiving untreated household wastewaters, LAS were found between 0.43 and 1.9 mg/dm 3 [5]. Strongly polar metabolic intermediates of LAS-sulfophenyl carboxylates were detected in river water (14-155 g/dm 3 ) and in drinking water (1.6-3.3 g/dm 3 ) [6].…”

Model-based three-way chemometric methods for quantitative analysis of linear alkylbenzene sulfonate and optical brightener in real samples using excitation–emission fluorescence data

“…Therefore, a simple and applicable method for the determination of LABS in water could help to determine suitability of the water for drinking purposes. 7 There are different acceptable methodologies which are used for the assessment of LABS in various real samples. These methods are classied as separative and non-separative techniques.…”

“…This method is time consuming and suffers from interferences due to the presence of phenols and inorganic thiocyanates, cyanates, nitrates and chlorides. 7 The optical brightener CBS-X is a bis-cinnamene monobiphenyl type optical uorescence brightener. It is the best uorescence brightener for detergent use and converts UV light wavelengths into visible light, which makes laundered clothes appear whiter (although it does not actually affect the cleanliness of the clothing).…”

Distribution and geochemical behaviour of anionic surfactants determined as ethyl violet active substances in Lake Biwa, Japan

“…; Hirayama et al . ), 0–264 μg/g in river sediments (Ambe ; Uchiyama ; Yoshimura et al . ) and 10–50 μg/g in lake sediments (Ambe ).…”