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What is the main use of a COA for raw material?

Answer and explanation

Correct answer: To confirm quality and test results

A Certificate of Analysis, or COA, is a documented record supplied with a raw material that reports specified identity, purity, strength, composition, and test results, often against approved limits. The governing quality-control principle is incoming-material verification: the manufacturer reviews the certificate and may perform or schedule additional testing before material use. Therefore option C is correct because a COA supports confirmation that the raw material meets requirements. It does not color the medium, package the fermenter, or stop air; those are unrelated activities and cannot establish material quality.

Related tags

CoaRaw MaterialQuality ControlBioprocess EngineeringPrinciples Of BiotechnologyBiotechnologyClass 11 Mcq

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