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.