| http://www.w3.org/ns/prov#value | - If the porous reagent materials corresponding to FIG. 1 are fixed, together with the drop absorbers described, on a test strip mounting and are immersed in aqueous test solutions, test strips are obtained a few seconds after withdrawal in which the reagent area no longer exhibits any supernatant film of liquid on its surface and in which the drop absorber also appears dry on the surface a few seco
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