Cold chain: difference between revisions
Diff·revision 41 → 42·02:42, 27 Jan 2025
Difference between revision 41 and revision 42 of Cold chain. 2 lines changed; the page grew by 296 bytes.
| Revision 41 — 17:58, 20 Jan 2025 CDMO_Caradoc (talk) replace primary source with the review 17,681 bytes +11 | Revision 42 — 02:42, 27 Jan 2025 CustomsClarke (talk) convert prose to table for comparability 17,977 bytes +296 | ||
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| 99 | {{math|T_{MKT} = 10000 ÷ (32.9869 + 0.6590) = 10000 ÷ 33.6459 = 297.21 K = 24.1 °C}} | 99 | {{math|T_{MKT} = 10000 ÷ (32.9869 + 0.6590) = 10000 ÷ 33.6459 = 297.21 K = 24.1 °C}} |
| 100 | 100 | ||
| + | 101 | The mean kinetic temperature is 24.1 °C, some 8 °C above the arithmetic mean and only 6 °C below the maximum. Half the time at 2 °C bought almost nothing, because at that temperature almost no degradation occurred and the statistic weights by degradation, not by clock time.{{r|haynes1971}} | |
| + | 102 | ||
| 101 | == Packaging and qualification == | 103 | == Packaging and qualification == |
| 102 | Between controlled environments, the product travels inside a package that must maintain its internal temperature without external power. The performance of such a passive shipper is a designed property, qualified against defined ambient profiles, and it is specific to a payload. | 104 | Between controlled environments, the product travels inside a package that must maintain its internal temperature without external power. The performance of such a passive shipper is a designed property, qualified against defined ambient profiles, and it is specific to a payload. |