9mm Vial at Thomas Scientific 9mm Plastic R.A.M.™ Screw Thread Vials. 12 x 32mm Vial with a 40% larger opening Available in Polypropylene, Clear Polypropylene and TPX Ideal for ion Chromatography, capillary electrophoresis, atomic absorption, pH sensitive samples, sodium and heavy metals analyses and aqueous samples Specifically designed to work in robotic.