For small sample volumes, Chromatography Direct now offers robotic 9-mm thread screw-top vials (ARV). If users only have a small amount of sample, they can use the latest Absolute Recovery Vial ...

Oxygen rushes in, and as such, open bottles fare better under a screw-top's airtight closure. Screw-top caps are typically made from aluminum and lined with a thin plastic interior. The sides are ...