Routine assessments for total colony forming units (cfu) through filtration is an important release parameter for finished product testing when working with microbially sensitive products.

But how do you know your methods are totally reliable and provide you with accurate data?

In the fast-paced environment of quality control, practical errors such as; the wrong filter membrane being used, membrane misalignment in the filter funnel, or damage through autoclaving are common, and they can lead to incorrect analysis, delays, and ultimately costly mistakes.  

By using pre-assembled Thermo Scientific™ Nalgene™ Single Use Analytical Filter Funnels and adopting methods consistent with ISO 7704-1985 standards, you can reduce these errors, ensure maximum confidence in your microbial analysis, improve your laboratory efficiency, and ultimately safeguard your product from customer complaints.

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