Alumina Tapered Injector with 2.0mm ID. 2.0mm ID tapered alumina injector (N0775177). This alumina injector is for use with PerkinElmer Optima 2x00/4x00/5x00/7x00 DV ICP-OES series instruments. Alumina injectors are corrosion-resistant to all mineral acids including HF and aqua regia. They are also used with less volatile organic solvents, e.g., xylene.PerkinElmer Optima 2x00/4x00/5x00/7x00 DV ICP-OES series Injectors - Compatible with 50-190-7006 (30-808-0845), 50-190-7010 (30-808-1122), 50-190-7019 (30-808-1470), 50-190-7022 (30-808-2926), 50-904-7597 (N0772005), 50-904-3780 (N0770338, PG31016), 50-904-3781 (N0770344).Glass Expansion is ISO 9001:2015 certified by AB Certification, No. AU4501-9001