Nickel Skimmer Cone for s-lens (G3280-67066) ¿ For Agilent 7700s/7900/8800 ICP-MS. Optional cone used with s-lens and suitable for most common applications (e.g., routine aqueous environmental samples, <5% acid matrix, non-HF, non-organic). 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 (70-803-1004) to protect cone threads during cleaning. When not in use, keep cones stored in original packaging for protection.For corrosive acids, including HF, use Pt Skimmer with Cu Base for s-lens, P/N 501907588, must be mounted on brass adaptor skimmer base. For organic analysis, use Pt Skimmer with Ni Base for s-lens, P/N 501907589, which must be mounted on brass adaptor skimmer base.Glass Expansion is ISO 9001:2015 certified by AB Certification, No. AU4501-9001