Cayman’s Human IgA ELISA Kit is an immunometric assay (i.e. sandwich) that can be used for the quantification of the human IgA in biological fluids. The assay range is 0.78-50 ng/ml, with a lower limit of quantification of 0.78 ng/ml.Needed but not supplied: Please download the kit booklet to verify if UltraPure Water (Milli-Q or equivalent) or any other components are needed for this assay.WARNING This product is not for human or veterinary use.