Luke Chimuka

Combining a membrane with a solid sorbent can improve selectivity and save time in sample preparation.

Guest authors from South Africa review the application of membranes in the extraction, preconcentration, and separation of various contaminants in food.

Commercialization of the passive sampler is very important because it reflects acceptance by the wider community.

Guest authors Luke Chimuka and Ewa Cukrowska provide an in-depth look at the verious approaches to passive sampling, weighing the merits and challenges for each type.

The use of SLM extraction in speciation studies is discussed, especially for determining the form and bioavailable fractions of metals in enviromental and biological matrices.