The unique 4ml Screw Top Vials guarantee a consistent seal and are not volatile and can be reused for easy to use.
If the sample is sensitive to light that may damage certain chemicals, use an a-color vial,like 4ml Screw Top Vials.If you need to see color changes, transparent vials are the best choice.
Chemists and researchers ask experts many times whether chromatographic vials and closures can be reused after proper cleaning using an experimental dishwasher for cleaning experimental glassware.
4ml Screw Top Vials and caps are less evaporated, more reusable than crimp seals, and less damage to the hands during operation, eliminating the need for special tools. All threaded vials and caps are distinguished by the thread finish, as defined in GPI's Glass Packaging Institute.
All 4ml Screw Top Vials appear to be created in the same way, but when analyzing important samples, the quality and performance make a difference. MicroLiter vials are cleaned and packed in a certified class 10,000 cleanrooms according to a design process developed to eliminate chromatographic errors associated with vials.
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