Cloud point extraction of methylphenol in water samples with low viscosity of non-ionic surfactant Sylgard 309 coupled with high-performance liquid chromatography

Norseyrihan, M. S.; Noorashikin, M. S.; Adibah, M. S. N.; Yusoff, Farhanini

doi:10.1080/01496395.2016.1207666

Cited by 14 publications

(21 citation statements)

References 25 publications

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“…This was probably because the contact surface area between the triazine species and extraction phase was very large due to the tiny drops of the upper extraction phase that formed evenly in the solution [ 37 ]. This may have happened due to the dehydration of salt molecules where the breaking of hydrogen bonding from water molecules increased the size of micelles and enhanced the solubility of the analytes [ 12 ]. The extraction of equilibrium can be achieved in a short time when the phase transfer of the target analyte species is fast [ 38 ].…”

Section: Resultsmentioning

confidence: 99%

“…Furthermore, it can form more compact micelle structures which offer low water content in the surfactant-rich phase and are also low in density, thus, enhancing the extraction efficiency [ 11 ]. In addition, this surfactant plays an important role and is well known as a growing class of raw materials used in the cosmetic, food and pharmaceutical industries; its biocompatibility, safety to humans and environmentally friendly characteristics have been proved for a long time [ 12 ]. Moreover, the US FDA (Food and Drug Administration, USA) has permitted this OFX 0309 surfactant for internal consumption.…”

Section: Introductionmentioning

confidence: 99%

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Determination of carcinogenic herbicides in milk samples using green non-ionic silicone surfactant of cloud point extraction and spectrophotometry

et al. 2018

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A new cloud point methodology was successfully used for the extraction of carcinogenic pesticides in milk samples as a prior step to their determination by spectrophotometry. In this work, non-ionic silicone surfactant, also known as 3-(3-hydroxypropyl-heptatrimethylxyloxane), was chosen as a green extraction solvent because of its structure and properties. The effect of different parameters, such as the type of surfactant, concentration and volume of surfactant, pH, salt, temperature, incubation time and water content on the cloud point extraction of carcinogenic pesticides such as atrazine and propazine, was studied in detail and a set of optimum conditions was established. A good correlation coefficient (R2) in the range of 0.991–0.997 for all calibration curves was obtained. The limit of detection was 1.06 µg l−1 (atrazine) and 1.22 µg l−1 (propazine), and the limit of quantitation was 3.54 µg l−1 (atrazine) and 4.07 µg l−1 (propazine). Satisfactory recoveries in the range of 81–108% were determined in milk samples at 5 and 1000 µg l−1, respectively, with low relative standard deviation, n = 3 of 0.301–7.45% in milk matrices. The proposed method is very convenient, rapid, cost-effective and environmentally friendly for food analysis.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Determination of carcinogenic herbicides in milk samples using green non-ionic silicone surfactant of cloud point extraction and spectrophotometry

et al. 2018

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“…A high amount of water in the surfactant-rich phase will causes lower concentration of analytes to be extracted [21]. Thus, to have satisfactory extraction of analytes, the percentage of water content of in the surfactant-rich phase should be low.…”

Section: Resultsmentioning

confidence: 99%

An Environmentally Friendly Method for Extraction of Parabens in Various Samples Using Low Viscosity and Low Cloud Point Temperature Surfactant

2018

MJAS

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Cloud point extraction is developed using a low viscosity surfactant (Sylgard 309) coupled with HPLC-UV. It is a simple method for extraction of parabens in various samples. At the optimum conditions, the method developed achieves limit of detection and extraction recoveries in the range of 0.01 ppm -0.02 ppm and 68.5% -119.3%, respectively. Linearity of the calibration curves in the range of 0.2-1.0 mg/L. The correlation coefficient are achieved between 0.9995-0.9999. Each replicated samples are spiked with 1 mg/L of parabens. The results indicate that surfactant Sylgard 309 has a great potential for the extraction of organic pollutant in various samples.Keywords: cloud point extraction, parabens, sylgard 309, simple method for extraction Abstrak Pengekstrakan titik awan dibangunkan menggunakan surfaktan yang mempunyai kelikatan yang rendah (Sylgard 309) digabungkan dengan KCPT-UV. Ini merupakan satu kaedah yang mudah untuk pemisahan paraben dalam pelbagai jenis sampel. Pada keadaan yang optimum, kaedah yang dibangunkan ini boleh mencapai had pengesanan dan perolehan semula pengekstrakan dalam julat 0.01 ppm -0.02 ppm dan 68.5% -119.3%. Pekali korelasi yang dicapai adalah dalam julat 0.9995-0.9999. Larutan piawai yang ditambahkan dalam sampel iaitu 1mg/l paraben dalam setiap sampel replikat. Keputusan kajian menunjukkan bahawa surfaktan Sylgard 309 mempunyai potensi yang besar untuk diterokai bagi pengekstrakan pencemar 365rganic dalam pelbagai sampel.

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“…2À ion is likely to cause the decrease in the selfassociation of a water molecule by forcing more water goes into the aqueous phase and provide high extraction efficiency. 33 The CO 3 2À ion are not selected because the K 2 CO 3 and Na 2 CO 3 aqueous solution existed as basic solution (pH 11.35) which is not suitable for stability of atrazine and the addition of CO 3…”

Section: àmentioning

confidence: 99%

Performance evaluation of non-ionic silicone surfactants OFX 0309 and DC 193C as a new approach in cloud point extraction – spectrophotometry for determination of atrazine in water samples

et al. 2018

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Cloud point extraction of methylphenol in water samples with low viscosity of non-ionic surfactant Sylgard 309 coupled with high-performance liquid chromatography

Cited by 14 publications

References 25 publications

Determination of carcinogenic herbicides in milk samples using green non-ionic silicone surfactant of cloud point extraction and spectrophotometry

Determination of carcinogenic herbicides in milk samples using green non-ionic silicone surfactant of cloud point extraction and spectrophotometry

An Environmentally Friendly Method for Extraction of Parabens in Various Samples Using Low Viscosity and Low Cloud Point Temperature Surfactant

Performance evaluation of non-ionic silicone surfactants OFX 0309 and DC 193C as a new approach in cloud point extraction – spectrophotometry for determination of atrazine in water samples

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