These vials have a black cap with PTFE/Silicone (Ultra Low Bleed) Septa for GC. All our vials are packed in a clean environment to ensure you receive contaminant free product every time.
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About 90% of all drinking water comes from surface and groundwater sources which are susceptible to pollution by the chemicals used in industry and agriculture. Laboratories today are challenged with maintaining compliance with evolving regulations, technologies, and methods. We empower this critical analysis with our GC/MS and Headspace technologies. Coupled with our support expertise, we are a trusted innovator at the forefront of drinking water testing. Have confidence in your water testing with PerkinElmer solutions.