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Evaluating the Cleanliness of Verex Polypropylene Vials
Verex polypropylene vials are made of ultra-pure, medical grade polypropylene. Compared to glass, plastic polypropylene vials also offer reduced adsorption of charged or pH-sensitive components. To determine the cleanliness of Verex vials compared to competitors, we tested for contamination of solvent after sitting in polypropylene vials.

Evaluating the Cleanliness of Verex Polypropylene Vials

Verex polypropylene vials are made of ultra-pure, medical grade polypropylene. Compared to glass, plastic polypropylene vials also offer reduced adsorption of charged or pH-sensitive components. To determine the cleanliness of Verex vials compared to competitors, we tested for contamination of solvent after sitting in polypropylene vials.
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Technical Notes
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