>The following question came up in a discussion related to storage of
>serum samples in the cold:
>
>The usual claim (unless checked!!) is that we store samples, chemicals
>etc. in the fridge at 4#251#C. Is there any historical root explaining why
>exactly 4#251#C has been selected?
History: this is a safe temperature for food storage.
Economic: therefore refrigerators for this temperature are mass-produced and
cheap
Practice: it seems to work adequately for our purposes
Jonathan Kay
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