
Handling
Cold chain: why packaging decides your purity
A 99% lot that spends nine days in a warm depot is not a 99% lot when it arrives. What we do about that.
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Practical guidance on reading certificates of analysis, handling lyophilised material and keeping assay results reproducible.

A 99% lot that spends nine days in a warm depot is not a 99% lot when it arrives. What we do about that.

None of these produce a visible signal. All of them degrade material before it reaches your assay.