PREMIER Lab Supply - Micro XRF Sample Cup

Product Features: Unique oversize ring delivers true tautness of thin film attachments for smooth plane Includes collar for thin film attachment stability. Bi-directional ring ensures ease of use and efficient ring-to-cup assembly. Thermoplastic ventable recessed seal for venting/pressure equalization. Handling of liquids, volatiles, powders and slurries in air or helium.