A Method to Determination of Lead Ions in Aqueous Samples: Ultrasound-Assisted Dispersive Liquid-Liquid Microextraction Method Based on Solidification of Floating Organic Drop and Back-Extraction Followed by FAAS

<div>Effect of back-extraction solvent type. Conditions: 25 mL of 100 <i>μ</i>g·L<sup>−1</sup> Pb<sup>2+</sup>, 0.5% (w/v) CR, 0.03% (v/v) DDMAC, 0.1 g NaCl, 75 <i>μ</i>L 1-dodecanol, 4 min extraction time, and 40°C extraction temperature.</div>

Journal of Analytical Methods in Chemistry

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Figure 3: A Method to Determination of Lead Ions in Aqueous Samples: Ultrasound-Assisted Dispersive Liquid-Liquid Microextraction Method Based on Solidification of Floating Organic Drop and Back-Extraction Followed by FAAS 

Figure 3 | A Method to Determination of Lead Ions in Aqueous Samples: Ultrasound-Assisted Dispersive Liquid-Liquid Microextraction Method Based on Solidification of Floating Organic Drop and Back-Extraction Followed by FAAS 