Division 5.2 Eluent solution, pH 6,0F1

Dissolve 1,74 g of dipotassium hydrogen phosphate (K ₂ HPO ₄ ), 12,37 g of potassium dihydrogen phosphate (KH ₂ PO ₄ ) and 21,41 g of sodium sulphate (Na ₂ SO ₄ ) in about 700 ml of water. Adjust, if necessary, to pH 6,0, using a solution of phosphoric acid or potassium hydroxide.

Make up to 1 000 ml with water and homogenise.

Filter the eluent solution, prior to use, through a membrane filter with a 0,45 μm pore diameter.