In LDS-DLLME (Fig. 1(c)), a mixture of 30 L of extraction solvent and 350 L of the acetonitrile extract (from the VA--SPE step) was rapidly injected into a 10% NaCl solution (5 mL) in a soft plastic Pasteur pipette, to form an emulsion.
In LDS-DLLME (Fig. 1(c)), a mixture of 30 L of extraction solventand 350 L of the acetonitrile extract (from the VA--SPE step)was rapidly injected into a 10% NaCl solution (5 mL) in a soft plasticPasteur pipette, to form an emulsion.