安捷伦|Agilent|顶空样品瓶和顶空瓶盖|Vial, crimp top, headspace, 10 mL, clear, flat bottom, 1,000/cs|货号 8010-0179|1000 Case

钳口顶空样品瓶是使用最广泛的一类样品瓶。对于挥发性样品基质，应使用钳口顶空样品瓶，因为它们的密封性比螺口样品瓶好。对于钳口样品瓶，您需要手动或电子封盖器来进行密封，必要时还需要启盖器来取下瓶盖。使用自动电子封盖器可以非常好地密封钳口瓶，因为这样消除了用户手动密封时导致的差异。

瓶底设计经过优化，以匹配顶空进样器的设计。如果您的进样器使用机械臂并将样品瓶提升到适当位置进行进样，则最好使用圆底样品瓶，例如部件号 5183-4475。如果顶空进样器使用针臂对自动进样器托盘中固定的样品瓶进行进样，则平底样品瓶（如部件号 5182-0837）更合适。当然，平底顶空样品瓶放置在实验台上更稳定。

For the pharmaceutical industry, residual solvents introduced throughout the production process can be harmful to humans even at low concentrations. Headspace sampling with gas chromatography can help ensure that the amount of Class 1, Class 2, and Class 3 solvents in prescription drugs are below the limits set by USP <467> and ICH Q3C.

Agilent offers crimp top headspace vials accompanied by crimp caps to provide the best seal for samples containing volatile analytes prior to injection into the ready-to-use headspace-GC analyzers.

Read the application note on residual solvents testing.