All glass ampoules that can be hermetically sealed to preserve sample purity and extend sample shelf life. Ideal for standards packaging, environmental and diagnostic standards, lyophilisation and cryogenic storage.
- Tamper-evident seal
- For biological sample preservation in glass
- Can be used in the vapour phase of liquid nitrogen
- Special design allows for storage at low temperatures as well as rapid thawing
Made from low extractable borosilicate glass, conform to USP Type I and ASTM E438 Type I, Class A requirements.
A gold band on the stem of the ampoule indicates that it is pre-scored to facilitate snapping off the top eliminating the need to file the ampoule.