Wheaton* Large Sample Vials

Ideal for the storage of reagents and standards. Excellent for small derivation reactions and are well-suited for applications in which the stability of the glass is of prime importance. Clear vials are manufactured from Wheaton-33* low extractable borosilicate glass to protect against changes in pH and to maintain purity of contents. Meets ASTM Type I, Class A and USP Type I standards. Amber vials are manufactured from Wheaton "320"� amber glass to protect light-sensitive samples and maintain purity of contents. Meets ASTM Type I, Class B and USP Type I standards. Packaged in convenient Lab File* cases. Closure size is 24-400.