Chapter 12 Extraction Based on Dispersive Assisted by Ionic Liquids

1. Introduction

2. Ionic liquid ferrofluid based dispersive solid phase extraction of lead from water, soil and rice samples

2.1. Lead; the occurrence, toxicity and methods of determination

2.2. Experimental

2.2.1. Instrumentation

2.2.2. Reagents

2.2.3. Preparation of Ionic liquid ferrofluid and extraction procedure

2.3. Result and discussion

2.3.1. Selection of ionic liquid for preparation of the ferrofluid: type and volume

2.3.2. Selection of eluent

2.3.3. Screening and optimization strategy

2.3.4. Effect of potentially interfering ions

2.3.5. Figures of merit and comparison of IL-FF-D-SPE with other methods

2.3.6. Analysis of real samples

3. Selective ionic liquid ferrofluid based dispersive-solid phase extraction for simultaneous preconcentration/separation of lead and cadmium in milk and biological samples

3.1. Lead and Cadmium; the occurrence, toxicity and methods of determination

3.2. Experimental

3.2.1. Instrumentation

3.2.2. Reagent

3.2.3. Preparation of Ionic liquid ferrofluid and extraction procedure

3.3. Result and discussion

3.3.1. Selection of ionic liquid for preparation of the ferrofluid

3.3.2. Selection of eluent

3.3.3. Screening and optimization strategy

3.3.4. Effect of potentially interfering ions

3.3.5. Figures of merit and comparison of selective IL-FF-D-SPE with other methods

3.3.6. Analysis of real samples

4. Conclusion and future work

Author details

References