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At what stage should retesting occur?

19/09/2021 | 2744

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Reply:

Retesting occurs at phase II of the investigation. The initial hypothesis testing can involve re- measurement of the original preparation or working solutions, however retesting is when the original sample or composite sample is used to perform analysis. Hypothesis testing and retesting are part of the phase II investigation. Only if the original sample is depleted or compromised should a new sample be used.

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