Chemical quality monitoring programs includes data gathered from the time chemicals are received all the way to the point of process. This may involve the use of grab samples and offline particle contamination monitoring to understand chemical quality. Establishing a well-controlled sampling protocol that does not contaminate the fluid and produce false positives is critical for successful grab sampling. Best known methods to minimize external contamination in the sample are presented to support data optimization. Customers are encouraged to incorporate these concepts in their own process development.
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