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The disposal of chemicals

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Introduction

M1 unit 2:- The Disposal of Chemicals. How is Mercury disposed of: - Handle the mercury carefully. Wear rubber gloves and scoop it onto a sheet of paper or suck it up with an eyedropper. Place the mercury in a medicine vial or similar airtight container. The scoop, paper or eyedropper should also be bagged and disposed properly according to guidance provided by environmental officials or your local health department. Why dispose of mercury, and what would happen if we didn't: - Otherwise it would contaminate the water, and from then onward goes down a very long chain of reactions and how it would be passed on, the fish in the sea would pick up the mercury in the water and most probably would poison the fish, and from there us human catch the fish to eat and if someone caught an infected fish and were to eat it they would become very ill and most probably die, especially if a pregnant woman ate an infected fish because usually the baby would come out deformed. ...read more.

Middle

And so if you dispose of this it would lower the risks from above from happening. But potassium iodide which is a gas can cause toxic inhalation and so when it is being disposed of you must wear a safety mask. Also as a long term effect it can cause cancer. How to dispose of a radioactive source: - The preferred long term approach to the disposal of radioactive waste is geological disposal - which means burying it underground. The waste is put deep inside suitable layers of rock to ensure no significant quantities of radioactivity ever reach the surface. A specially engineered underground containment facility is designed so that the natural geological barrier works together with the waste packaging to reduce the escape of radioactivity to an insignificant level. Why would you dispose of radioactive sources: - The reason you would dispose of radioactive sources as they are dangerous to human environment and also they could cause sickness and sometimes even cancer. How would you dispose of benzene: - Avoid generating vapours or mists. ...read more.

Conclusion

Bacterial and fungal spores in the air and on surfaces can make freshly poured plates unusable, or can obscure results on inoculated plates. Being able to recognize these contaminants before using a compromised plate can save valuable time. How to dispose of an agar plate: - The method used is simple; all you really have to do is just wash it under a hot or cold tap of water. Why would you dispose of an agar plate: - Some scientists would wash the plate and then re-use them once they have been properly sterilised. Why would you dispose of Ethanol: - This is the liquid material which you find on hospital walls inside and outside of the wards, to keep clean hands of relatives and doctors. The reason you would dispose of ethanol is because you would need to keep a fresh supply of ethanol, because you wouldn't really want to clean your hands with a dirty material. How to dispose of Ethanol: - ethanol reacts with water, when the two are combined, there is not a harmful gas that gets released but your ethanol will be disposed of. ...read more.

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