UNIT FOR PREPARING AT LEAST ONE CONCENTRATES SOLUTION FOR HEMODIAL YSIS AND METHOD FOR PREPARING SUCH SOLUTION

The invention relates to a unit (10) for preparing at least one hemodialysis concentrates solution (CH), said solution being composed of solid water-soluble materials comprising at least sodium chloride (NaCI), potassium chloride (KCI), calcium chloride (CaCl2) and magnesium chloride (MgCl2). This unit has a modular structure and includes the following modules: - a sampling module (MPRE) to take at least a sample of each of said raw materials to be dissolved in said volume of purified water, - a laboratory module (MLAB) arranged to analyze each of said raw material samples to control its compliance and quality, - a weighing module (MPES) to determine the quantity in weight of said raw materials to be introduced in said predetermined volume of purified water, - a solution preparation module (MPRE) to introduce and dissolve said quantity in weight of said raw materials in said predetermined volume of purified water, and - at least one module (MCON) for packaging said hemodialysis concentrates solution obtained.