<p>A method for determining hemoglobins is provided which is suitable for determination of stable hemoglobin A1c. A method for determining hemoglobins by cation exchange liquid chromatography wherein an eluent is used containing a chaotropic ion and further an inorganic acid, an organic acid and/or any salt thereof having a buffer capacity in the 4.0 - 6.8 pH range. <IMAGE></p>
