August 30, 2026
Why cold chain matters
Some materials hold their measured properties only within a temperature band. What a break in the chain changes.
4 min read
Storage
A measured property is only as good as the conditions it has been kept under. Mapping, humidity, freeze-thaw and transit, and what each one changes.
6 entries
Newest firstJuly 21, 2026
Storage life versus expiry dating
An expiry date comes from the maker's stability data for a sealed container; a storage life is the laboratory's own limit once that container is opened.
4 min read
June 26, 2026
Shipping conditions and what carriers owe you
A label reading 2–8 °C is a request; what the shipper specified, what the carrier agreed to, and what the logger recorded decide whether it was met.
4 min read
June 10, 2026
Humidity and desiccants
The relationship between ambient moisture, container closure, and a desiccant record.
3 min read
May 26, 2026
Freeze-thaw cycles and materials
Freezing concentrates what is dissolved, thawing invites condensation, and each round trip can change a material in ways steady frozen storage would not.
4 min read
April 22, 2026
Temperature mapping a storage space
A thermostat reads one point; a mapping study measures the whole space, finds where it runs warm or cold, and decides where sensors and stock belong.
4 min read