These vials are made from Wheaton-33 low extractable borosilicate glass and they safeguard against any change of product pH caused by alkali, which can be extracted from ordinary glass. Wheaton V-Vials® are exceptionally sturdy vials with a conical interior bottom. Their special features ensure maximum security and economy in handling, storing and shipping of costly micro and semi-micro samples.
This item is on pre-order and will take between 1-2 weeks to arrive.