Whatman Puradisc Syringe Filters – Aqua 30 for DOC
Whatman Puradisc Aqua 30 from Cytiva's business is specifically designed for environmental sample filtration prior to dissolved organic carbon (DOC) and chemical oxygen demand (COD) analysis.

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From the Puradisc FP 30 range
Low protein binding, hydrophilic cellulose acetate syringe filter media
Prewashed cellulose acetate (CA) syringe filter for reduced organic carbon extractables
Designed for sample preparation in support of dissolved organic carbon and chemical oxygen demand analysis
Standard inlet and outlet luer connectors
The art behind good filtration: How to get the best out of filtration
Drug dissolution testing measures the rate an active pharmaceutical ingredient (API) is released from a solid dosage form, as it dissolves. Pharmaceutical laboratories routinely use drug dissolution during quality control testing to assess the consistency of batches of tablets, pills, and capsules before market release.
This application eBook provides detailed advice to help pharmaceutical laboratories avoid common setbacks and produce accurate and reliable results more efficiently. Explore this expert guide on drug dissolution testing, and discover how to choose the best filter for your workflows.
This eBook will also cover:
- The extensive portfolio of Whatman™ filters from Cytiva
- How to effectively remove impurities from your sample
- How opting for the right filter can save time and reduce costs
- The basics of dissolution testing
Meeting the standards for wastewater testing
In this infographic, Cytiva explores international standards for wastewater testing.
Filtering out inconsistencies: The simple answer for reproducible results and increased productivity in water testing
In this application note, Cytiva discusses the importance of filtration in water testing, and how an informed approach to filter selection can save laboratories time and money, and contribute to consistent results.


















