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07-09-2017
Chemistry

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How should a stopper be handled after is has been removed from a reagent bottle?

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Kalahira Kalahira

19-09-2017

The stopper should be held until it can be safely re-inserted. Placing it on any other type of surface or table could run the risk of cross-contamination. This could cause issues with the reagent when the stopper is replaced.

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