9mm chromatography vial septa exporter Waters-Aijiren 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 Certified hplc micro vial hplc with patch for lab use Lab liquid Chromatography Analysis 5