Cold-chain freight: difference between revisions
Diff·revision 3 → 4·10:23, 12 Nov 2024
Difference between revision 3 and revision 4 of Cold-chain freight. 2 lines changed; the page grew by 214 bytes.
| Revision 3 — 17:21, 3 Nov 2024 CustomsClarke (talk) add the reconstitution-stability sentence with its storage condition 1,900 bytes ±0 | Revision 4 — 10:23, 12 Nov 2024 DiluentDiya (talk) add the excursion tolerance with the study it derives from 2,114 bytes +214 | ||
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| 15 | The coolant matters. Gel packs conditioned to refrigerator temperature hold a chilled range; frozen packs can take contents below the intended range, and freezing is a distinct hazard for a solution. Phase-change materials formulated to melt at the target temperature avoid both extremes. | 15 | The coolant matters. Gel packs conditioned to refrigerator temperature hold a chilled range; frozen packs can take contents below the intended range, and freezing is a distinct hazard for a solution. Phase-change materials formulated to melt at the target temperature avoid both extremes. |
| 16 | 16 | ||
| + | 17 | Active systems maintain temperature by refrigeration and can hold it as long as they are powered. They are used for high-value or long-duration shipments and are uncommon in research-chemical supply.{{r|ich_q1a}} | |
| + | 18 | ||
| 17 | == References == | 19 | == References == |
| 18 | {{reflist}} | 20 | {{reflist}} |