Designed to use separating organic and inorganic compounds for analysis, chromatography vials come in different finishes to guarantee chemical compatibility 

When separating organic and inorganic compounds for analysis, chromatography vial closures protect compound mixtures from contamination. The caps feature 

Worldwide Glass Resources offers a large selection of HPLC and GC 2ml vials available in 8-425, 9mm, 10-425, 11mm crimp, and 11mm Snap Ring finishes.

Crimp Top 11mm Clear Glass 1.5mL HPLC Autosampler Vials - 100/pk, CV1926. Tisch 11mm crimp Important Ordering Information: Caps & septa sold separately.

Jan 26, 2021 Should vial caps be used for multiple injections in the same batch (i.e. blank injections)?; If vials/ samples are reused, is it common practice ...

UHPLC; Sample Storage. Ensure a proper seal with a our collection of crimp-cap and septa. Also available in a convenience pack. Technical Specifications: Model 

11 mm Crimp Top Closures feature pre-assembled caps and septa to minimize contamination from handling. They are compatible with most HPLC and GC 

Honestly I could have crimped them 3x faster using hand crimping tools. The only advantage screw caps would have over crimp ones would be if you 

Chrom Tech carries a complete offering of GC vials, otherwise known as crimp style vials, for use with most gas chromatography autosamplers.

Fisherbrand™'s 11 mm crimp caps with pre-assembled septa are convenient, minimize contamination from handling and are compatible with most HPLC and GC