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Our content explains pharmacopoeial and regulatory requirements in our own words, for learning. For exact requirements, always refer to the current official text and your site's approved SOPs. More

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← All lab tools

Recovery % checker

FREE

Method suitability and growth promotion: is recovery within 50–200 %?

Count with product / on the test medium (CFU)

Control (inoculum) count (CFU)

Within limits

Recovery 70 %: within 50–200 % (factor of 2).

Reference: USP <61>/<62>: within a factor of 2; inoculum ≤ 100 CFU. Always follow your approved SOP and current pharmacopoeia.