Virtuoso™ 9mm MS Certified Amber Glass Screw Thread Vial Kits aijiren Tech™. Use certified clean, low particle, low background vials for your high sensitivity LC/MS, GC/MS and chromatography applications. The aijiren Tech™ Virtuoso™ 9mm MS Certified Amber Glass Screw Thread Vial Kit is designed exclusively for use with the Virtuoso Vial Identification System, thus