A range of products used on Clinical Diagosis but not related to Histology but other applications as Benedict's Reagent for determination of glucose in urine, Buffer Solution pH 7.2 for for hematology, according to Weise, Copper(II) Sulfate solution d.1.053 for determination of blood density, Fehling's A Reagent for determination of glucose in urine and reducing sugars, Trichloroacetic Acid solution 20% as deproteinizer.