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Accident factors-unfavorable actions and irregularities

 Last Update: 2022-01-20
 Source: Internet
 Author: User

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organic carbon

organic process

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All the operation activities of the chemical laboratory have their own characteristics and norms.

Case 1

A researcher is doing catalytic hydrogenation.

Reason analysis: after putting the catalyst into the hydrogenation bottle filled with argon gas, the argon gas in the bottle is gradually replaced by air due to the long time interval and the bottle mouth is not sealed

Case 2

A research and development staff in the batching room according to the specification to add the solvent methanol, palladium carbon and substrate into the hydrogenation bottle

Cause analysis: The above catalyst fire events are representative

Lesson: Whether argon completely replaces the air in the bottle, whether there is catalyst left in the bottle mouth, if there is a pause in the middle, whether it is necessary to cover the mouth of the bottle to prevent air from displacing the argon in the bottle, etc.

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