Waters has introduced a new line of sample vials for high performance liquid chromatography and gas chromatography analysis. The vials are certified to be contaminant-free.
The newly launched glass vials are made from Type I, 33 expansion glass with a low detectable free ion content, the company said. The septum is tested for residual levels of low molecular weight silicone polymer by head space gas chromatography. In addition, each lot of vials, with cap and septum, is tested with gradient HPLC to verify cleanliness.