BufferSolution mixture = null;
//mixture = BufferSolution.createMixture(this.repos,this.bufferSolutions,factors);
mixture = BufferSolution.createMixture(this.bufferSolutions,factors);
mixture.show("Mixture");
DblMatrix concMatrix = new DblMatrix(this.BVector.getN());
HashMap spec_conc = null;
spec_conc = (HashMap)mixture.species(this.pH);