Technical Specifications for Chromatography Sample Vials T/UNP 722-2025
T/UNP 722-2025 Chromatography sample introduction bottle technical specifications
Basic Information
Scope
Main technical content: This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of chromatography injection bottles (hereinafter referred to as "injection bottles"). It is applicable to chromatography detection bottles composed of a glass bottle body, a polypropylene cap, and a polytetrafluoroethylene/silicone rubber composite gasket. The technical requirements cover appearance (smooth and free from defects, etc.), dimensional deviations (vertical axis deviation ≤1.0mm), physical properties (sealing performance, etc.), chemical properties (total organic carbon content in leachate ≤0.3mg/L, etc.), and environmental adaptability (no abnormalities under high and low temperatures). The test methods involve sample processing, etc. The inspection rules include batch sampling, factory inspection, and type inspection. It also stipulates requirements for marking, packaging, transportation, and storage.