Nickel Skimmer Cone (W1026356) ¿ Standard skimmer cone for PerkinElmer NexION 1000/2000/300/350 ICP-MS. Suitable for most common applications (e.g., routine aqueous samples, <5% acid matrix, non-HF, non-organic). Not recommended for samples containing HF. Use 10x Magnifier Inspection Tool with Built-In LED Illumination (NC2042261) to inspect cone orifice condition. When not in use, keep cones stored in original packaging for protection. Use skimmer ConeGuard to protect cone threads during cleaning, 70-803-1026.For corrosive samples, including HF, we recommend Platinum Skimmer Cones, see catalog number 501907688.Glass Expansion is ISO 9001:2015 certified by AB Certification, No. AU4501-9001