Aluminum Skimmer Cone for x-lens – For Agilent 7700x/7800/7850/8800 ICP-MS. For lowest nickel background and laser ablation applications. Not for samples containing hydrofluoric acid (HF). Use 10x Magnifier Inspection Tool with Built-In LED Illumination (NC2042261) to inspect cone orifice condition. Use Skimmer ConeGuard (70-803-1008) to protect cone threads during cleaning. When not in use, keep cones stored in original packaging for protection.For routine samples use Nickel Skimmer for x-lens, P/N 501907579. For corrosive acids, including HF, use Pt Skimmer with Cu Base for x-lens, P/N 501907590, must be mounted on brass adaptor skimmer base. For organic analysis, use Pt Skimmer with Ni Base for x-lens, P/N 501907591, which must be mounted on brass adaptor skimmer base.Glass Expansion is ISO 9001:2015 certified by AB Certification, No. AU4501-9001