תאונות מחכימות

HF lecture bottle

HF lecture bottle explosion

Recently an old gas lecture bottle cylinder of anhydrous hydrogen
fluoride spontaneously exploded within a gas cabinet in the  Chemistry building...

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flask

Lab Worker Nearly Killed While Working Alone

Two years ago a senior researcher was nearly killed at University of Wisconsin - Milwaukee while he worked alone in a laboratory the evening of July 4th. His distillation flask exploded.

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Chemical Stored on Floor Causes Fire

A simple mistake caused this incident. During an experiment in the fume hood, the users temporarily set a 4 liter glass bottle of cyclohexane on the floor beside the hood.

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lab worker

נתז KOH לעין בפקולטה להנדסה כימית

במסגרת אחת משלבי הניסוי במעבדת המימן הותזרו מספר טיפות של תמיסת KOH לעינו של הסטודנט...

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דליקה באמבט אתנול בפקולטה לביולוגיה

במהלך יצירת "ספריות חיידקים" בפקולטה לביולוגיה, במהלך אחד ממחזורי זריעת החיידקים טיפות אתנול בוערות מהמסרק ניתזו והדליקו את אמבט האתנול המצוי בקירבת עמדת הניסוי.

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eye splash

An Eye Splash

A student was working on a bench in a biological-chemical lab with a filter inserted into a 50 ml Falcon tube. While closing the tube’s lid, a chemical was splashed into the student’s eye...

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Lentivirus II splash on hand

While working in a biosafety cabinet an overfilled capped Eppendorf was opened and a solution containing lentivirus vectors was splashed onto bare skin...

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Bursting of a PVC pipe

Three students were working at the lab on a late afternoon while hearing a loud bursting sound. The students immediately evacuated the lab, shutting the door behind them...

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Pressurized liquid nitrogen dewar outburst

While entering the cold room, a student was hit by a pressure safety valve projected from a pressurized liquid nitrogen dewar...

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פליטת אדים בלתי צפויה מריאקציה

במהלך יצירת "ספריות חיידקים" בפקולטה לביולוגיה, במהלך אחד ממחזורי זריעת החיידקים טיפות אתנול בוערות מהמסרק ניתזו והדליקו את אמבט האתנול המצוי בקירבת עמדת הניסוי.

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Skin Exposure to beta-Mercaptoethanol

 A student was working in a fume hood with beta-mercaptoethanol (β-ME). The bottle’s cork was broken and glued with parafilm. The bottle was not placed in a secondary container. The student lifted the bottle by its cork, the β-ME bottle fell,  the liquid spilled through the front ventilation opening in the chemical hood onto the student's hand.

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Uncontrolled exothermic reaction

 In a trial to improve an established polymerization reaction, the catalyzing agent was added in a different order than in previous procedures consisting of the same reactants. The reaction resulted in a minor explosion...

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Waste Splash Causing a Chemical Burn

During a waste handling in the lab, a student took a 5 liters waste container out of the chemical hood. While slightly tilting the container out through the sash, liquid waste spilled onto the student’s arm, penetrated through the lab coat and thick clothing, and contacted his skin, causing a chemical skin burn.

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An Acetonitrile Eye Splash

In a reflux reaction of acetonitrile, while the main medium was heated to 80°C, the condenser spontaneously disconnected from the system, and the reaction medium shot out onto the researcher’s
forehead, reaching his eye...

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An Eye Exposure to Class 4 Femtosecond Laser

A student was working in a laser lab along with his lab manager and PI. The student had to connect two plus and minus cables to a power supply. The cables are in red and black colors for plus and minus, respectively.  Then...

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Fire in Bin due to Pyrophoric Material

During the transfer of an organometallic reagent into an inert gas-filled reaction flask, the designated syringe with the remains of the pyrophyric material was accidentally thrown to the bin without purging. The bin had tissue paper waste inside...

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