Disclaimer: The Lessons Learned Database includes the incidents that were voluntarily submitted. The database is not a comprehensive source for all incidents that have occurred.
On-site personnel performing treatment of reactive metals/chemicals must continue to exercise caution. Although there is an inherent risk in treating reactive metals/chemicals, personnel must adhere to conduct of operations principles to include…
In the future, the laboratory will issue a memorandum about this incident to illustrate the need to wear safety glasses with side shields, store chemicals compatibly, take care when placing chemicals in the refrigerators for storage, and keep the…
Laboratory accidents can happen despite the best preparation and careful attention to procedures. However, the lesson to be learned here is that employees must always be sure they understand the hazards of the activities, and that they know how…
1. Evaluate any change in normal procedures or conditions for storage of aluminum hydride products. In this case, the aluminum hydride material was typically stored at -35°C in the glove box freezer. However, due to a change in glove boxes, this…
As stated on the MSDS and also on the container labels, LiAlH4 should be handled under argon. LiAlH4 is advertised and sold as a powder. If the researcher had to scrape it out of the jar, then it was no longer a powder, which seems indicative of…
1. All samples with potential for hydrogen buildup should be limited to ground shipment only. (This shipment was by ground and air. If this incident were to have happened in an airplane, the consequences may have been worse.)
2. All samples…
Now, when conducting a sulfur deprivation test, vessels are ventilated to prevent over pressurization and safely facilitate the release of excess hydrogen.
In the future, this mesoporous carbon material and ammonia borane:mesoporous carbon material will be handled under anaerobic conditions (glove box) to prevent further incidents.
The project team concluded that the jar contained a sufficient vapor pressure of isopropanol to ignite when it came into contact with the decomposing hydride. The lesson learned was that hydrides react rapidly in air and can lead to combustion of…
The researcher's failure to pull the fire alarm was an oversight of required facility practice. The alarm should have been triggered in consideration of the potential for greater harm to personnel and facilities.
Hot, reacting ammonia…
The procedure for disposal of spent or partially spent AB has been modified so that it does not include the use of water. Instead, the AB is removed from containers and transferred for disposal by rinsing with mineral oil, silicone oil or other…
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