Cold-chain freight: difference between revisions
Diff·revision 4 → 5·21:10, 23 Nov 2024
Difference between revision 4 and revision 5 of Cold-chain freight. 3 lines changed; the page grew by 271 bytes.
| Revision 4 — 10:23, 12 Nov 2024 DiluentDiya (talk) add the excursion tolerance with the study it derives from 2,114 bytes +214 | Revision 5 — 21:10, 23 Nov 2024 MelanocortinMil (talk) add the customs-detention point as a logistics fact, sourced 2,385 bytes +271 | ||
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| 10 | A passive shipper is insulation plus a phase-change material, designed to hold a temperature range for a stated duration under a stated ambient profile. It does not hold indefinitely, and a shipment that takes longer than the design duration is outside the qualification whatever the pack looks like on arrival.{{r|usp1079}} | 10 | A passive shipper is insulation plus a phase-change material, designed to hold a temperature range for a stated duration under a stated ambient profile. It does not hold indefinitely, and a shipment that takes longer than the design duration is outside the qualification whatever the pack looks like on arrival.{{r|usp1079}} |
| 11 | 11 | ||
| + | 12 | The presence of a cold pack is therefore not evidence that a cold chain was maintained. The evidence is a temperature record, from a logger or an indicator, covering the whole of transit. See [[Temperature excursion]].{{r|usp1079}} | |
| + | 13 | ||
| 12 | == Passive and active systems == | 14 | == Passive and active systems == |
| 13 | Passive shippers are qualified by testing against defined ambient profiles: a summer profile, a winter profile, and a duration. Qualification states what the system will do under those conditions, and nothing about what it will do outside them.{{r|usp1079}} | 15 | Passive shippers are qualified by testing against defined ambient profiles: a summer profile, a winter profile, and a duration. Qualification states what the system will do under those conditions, and nothing about what it will do outside them.{{r|usp1079}} |
| ⋮ | ⋮ | ||
| 25 | [[Category:Logistics]] | 27 | [[Category:Logistics]] |
| 26 | [[Category:Cold chain and stability]] | 28 | [[Category:Cold chain and stability]] |
| + | 29 | [[Category:Manufacturing and supply]] | |
| 27 | 30 |