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发表于 2019-4-2 12:44:04
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Critical Process Parameter
A process parameter whose variability has an impact on a critical quality attribute and therefore
should be monitored or controlled to ensure to process produces the desired quality.
In the case study, critical process parameters are sub-divided based on risk:
A Well Controlled –Critical Process Parameter (WC-CPP) has a low risk of falling outside the design
space.
A Critical Process Parameter (CPP) has a high risk of falling outside the design space.
Here, the assessment of risk is based on a combination of factors that include equipment design
considerations, process control capability and complexity, the size and reliability of the design
space, ability to detect/measure a parameter deviation, etc. |
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