HR2-917-16/Natrix 2 #16 (F04), 185 ml - 0.08 M Strontium chloride hexahydrate, 0.04 M Sodium cacodylate trihydrate pH 6.0, 35% v/v (+/-)-2-Methyl-2,4-pentanediol, 0.012 M Spermine tetrahydrochloride. Please note items from this supplier are non-returnable.