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Development of a New Methodology for Determination of Vitamin B9 at Trace Levels by Ultrasonic-Assisted Cloud Point Extraction Prior to HPLC
(SPRINGER, 2017)
A new analytic methodology based on ultrasonic-assisted cloud point extraction coupled with high-performance liquid chromatography (UA-CPE-HPLC) was developed and successfully applied to determine vitamin B9 in food samples. ...
A versatile hydrogel including bentonite and gallocyanine for trace Rhodamine B analysis
(ELSEVIER SCIENCE BV, 2017)
This study presents a simple and useful method for the effective and sensitive determination of Rhodamine B in cosmetic samples. Solid phase extraction ( SPE) was applied to samples containing Rhodamine B prior to HPLC ...