A new method for extracting microfluids using droplet technology
DOI:
https://doi.org/10.61132/obat.v2i4.583Keywords:
Microextraction, droplet technology, droplet premixing system, droplet extraction process, automated droplet extraction, single drop technologyAbstract
An innovative and sensitive method for extracting liquid-liquid flour using pre-mixing
with the single-drop microextraction technique. This working system is distinguished by its
ability to be applied to chemical and biological analyses. It is suitable for microfluidics, has a
short time, is free of contaminants, and has a simple design that can be installed anywhere in
the laboratory. The working system consists of several basic parts: a pump device to pump or
fall back the organic and aqueous phase from the liquid-liquid micro-system through micro-
rubber tubes and two precise micro-needles to generate drops, two mixers using two magnetic
clamps on two graduated holders, and a precise micro-mixer to complete the mixing process.
Study of the main variables in the system containing dithizone (0.0001 M). ) in CHCl₃ solvent
solution and aqueous copper chloride solution (1000 ppm) to see how they affect the
extraction performance obtained by this method. The effect of the copper concentration in the
initial sample, the speed of the mixer, and the flow rate were discussed and studied, and the
best conditions were determined: for (2 ml) sample an aqueous solution of copper (II)
chloride, the optimal concentration of copper. (II) in the analyzed sample is (0.0001M), the
speed of the micromixer is maximum, and the pump flow rate is (0.5 ml /sec). In these
optimal conditions, the degree of extraction was (97±2%).
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