The choice of ultrasound assisted extraction coupled with spectrophotometric for rapid determination of gallic acid in water samples: Central composite design for optimization of process variables
Zn: CuS-NPs-AC was applied for fast UA-DNSPME-UV-Vis of Gallic acid.
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A response surface methodology (RSM) was used for modeling and optimization.
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A high efficient method for analyzing Gallic acid with good linearity, high recovery and low LODs.
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Efficient and rapid determination of analyte achieved in short time (<5 min) under ultrasound.
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Validation of the method and application to real sample analysis.
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