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Why does aggregation accelerate at minus 80 °C rather than proceeding linearly?

Asked 12 Sept 2024Modified 23 months agoViewed 32k times
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Setup, so nobody has to ask: aggregation · minus 80 °C.

I keep seeing this stated as a fact with no explanation attached, and unexplained facts make me suspicious.

My background is quantitative but not chemical, so I can follow an equation more easily than a hand-wave.

Why does this happen, and what would falsify the usual explanation?

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askedeoin_mcgarry16k1812 Sept 2024
3I have seen exactly this failure mode twice and both times it was the diluent. – e_dziedzic 7 months ago
4The distinction between purity and content cannot be repeated often enough here. – priya_menon 8 months ago
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