BASE BOTTLE TOP DISPENSER ,Each

Details

These bottle-top dispensers offer convenience, high chemical resistance, and protection against contamination. They are compatible with all high-purity concentrated acids, including hydrofluoric acid (HF), and are specifically designed to fit ARISTAR ULTRA high-purity acid bottles. The precleaned dispensers are acid-cleaned pre- and post-assembly, and are assembled and packaged under ISO Class 5 (FED-STD-209E Class 100/M3.5) conditions. They also fit ARISTAR PLUS ammonium hydroxide and hydrofluoric acid bottles, dispensing reproducible volumes from 0.5 to 5.0 mL. Each dispenser is calibrated and mechanically tested to ensure it meets volume, precision, and accuracy requirements. All wetted parts, including check valves and seals, are constructed of fluoropolymer PFA or TFM resin.