The Reactif urinalysis strips offer fast and reliable results that you need for a specific diagnosis. The brand product from nal von minden offers the highest quality and the possibility of low-cost diagnostics. The reagent strips for urinalysis are firm plastic strips on which multiple, separate reagent areas are applied. The test is a qualitative and semi-quantitative detection of multiple substances in the urine. Compare the corresponding analyte with the fields on the color scale.