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The humidity indicator card is also specified for use in J-STD-033, which is the standard for handling, packing, shipping and use of moisture/reflow sensitive surface-mount devices. This is a joint standard developed by the Joint Electron Device Engineering Council and IPC and is used in semiconductor packaging.
Precautionary statements form part of the Globally Harmonized System of Classification and Labelling of Chemicals (GHS). [1] They are intended to form a set of standardized phrases giving advice about the correct handling of chemical substances and mixtures, which can be translated into different languages.
It relates to the packaging and handling precautions for some semiconductors. The MSL is an electronic standard for the time period in which a moisture sensitive device can be exposed to ambient room conditions (30 °C/85%RH at Level 1; 30 °C/60%RH at all other levels). Increasingly, semiconductors have been manufactured in smaller sizes.
Experts recommend repotting any plants in those containers into lighter ones. Moving vulnerable container plants out of direct sunlight can be another way to prevent dehydration, especially at midday.
The moisture requirement of iron-based scavengers makes them ineffective in moisture sensitive applications. The performance of oxygen scavengers is affected by ambient temperature and relative humidity. [9] Newer packaging technologies may use oxygen scavenging polymers to prevent accidental ingestion of oxygen scavengers. [8]
Hygroscopy is essential for many plant and animal species' attainment of hydration, nutrition, reproduction and/or seed dispersal. Biological evolution created hygroscopic solutions for water harvesting, filament tensile strength, bonding and passive motion – natural solutions being considered in future biomimetics. [1] [2]