HR2-917-39/Natrix 2 #39 (H03), 185 ml - 0.08 M Potassium chloride, 0.02 M Barium chloride dihydrate, 0.04 M Sodium cacodylate trihydrate pH 7.0, 40% v/v (+/-)-2-Methyl-2,4-pentanediol, 0.012 M Spermine tetrahydrochloride. Please note items from this supplier are non-returnable.