How to collect the mercury from a broken thermometer
Despite the fact that modern man in the house is firmly established a modern digital equipment, some household use remain unchanged helpers in everyday life. These include a thermometer to measure body temperature, or, if you call it right, mercury medical thermometer. Using them can even a child, but what to do and how to behave correctly when the thermometer broke, few know.
Advantages and disadvantages of a mercury thermometer
In fact, a mercury thermometer measures temperature accurately enough and has a very small error (no more than 0.1 degrees). Therefore, in many hospitals still prefer it to ordinary thermometer. Furthermore, using a mercury thermometer body temperature can be measured in several ways (in the armpit, rectally, orally), the surface of the thermometer is easily disinfected and the device does not require power from the mains or replacement of batteries. With careful handling mercury thermometer can last for decades, and its relatively low cost (only 20-25 rubles.) Makes it attractive for a buyer.
Along with the undeniable advantages of mercury thermometers have several significant drawbacks, the main and most serious of which is its fragility. Split mercury thermometer is very easy, and it will inevitably lead to the poisoning of the air of toxic mercury vapors.Why is dangerous broken thermometer
It is necessary to break or break the thermometer on the floor will be instantly microscopic glass shards and mercury bulbs. And if the glass can cause trouble in the form of cuts, the mercury vapor, as the strongest poison, are more serious danger. Due to its properties, ejected from the thermometer mercury is broken into many small droplets, which are rolled into hard to reach places (under the sofa, wardrobe, behind baseboards, in cracks of flooring), and evaporates, poison the air. If time does not remove all the mercury itself broken thermometer, you can get severe poisoning. Accumulating in the kidney, liver, lung Human harmful metal vapor causes chronic intoxication, which is manifested by skin rash, stomatitis, diarrhea, vomiting, chills the body. A prolonged exposure to mercury vapor can affect the human psyche and even cause madness.
Therefore, it is important to quickly and accurately collect the contents of a broken thermometer. To ensure purification facilities, call MOE specialists, but it is possible to carry out this procedure on their own, taking all necessary precautions.How to collect the mercury
If it so happened that accidentally broke a thermometer, do not panic. Before starting to clean up the mercury beads, you must withdraw from the premises of all the people who will not participate in the harvesting, as well as animals. It is very important to open the windows in the house to ventilate the room and close the door to the adjacent room to mercury vapor from a broken thermometer did not apply. Collect mercury need to be sure to wear rubber gloves for feet is best to wear shoe covers, and cover your mouth and nose wet gauze bandage.
In no event it is impossible to collect the mercury with a vacuum cleaner or broom. In the first case, once inside, toxic fumes will be blown out together with the air cleaner. In the second, the rods may split broom small balls into even smaller that complicate their collection.
The surest way to collect mercury if broken thermometer - use an ordinary syringe. This cleaning takes a lot of time and quite laborious, but the mercury bulbs are guaranteed to fall into the cavity of the blower and do not fall apart into smaller pieces.
The mercury also help cleaning soaked in water newsprint as mercury bulbs easily stick to it. If the thermometer broke and flowed mercury, you can use adhesive tape or adhesive tape, cotton balls soaked in water or vegetable oil, as well as two pieces of paper, which according to the principle of a broom and dustpan careful movements going to the contents of a broken thermometer.
Another simple way to collect mercury - use medical syringe. After cleaning it, too, need to plug into the jar and dispose with a broken thermometer.
If it so happened that the thermometer has broken on the carpet, the carpet should take out and knock in a place where there are no people. The concentration of a hazardous substance from one broken thermometer is not very large, for three days, it will evaporate without causing harm to people and the environment.
After the contents of the broken thermometer safely collected and prepared for recycling, should be treated the place of "emergency" solution of potassium permanganate (per liter of water - 2 g). But since it means you can not apply in all cases because of the stains left by them, it is possible to fill the entire area, which could get mercury from a broken thermometer bleach or any disinfectant, it contains. For example, in a bucket of water taken desyatilitrovoe glass of "white" and this solution is treated with a surface for the transfer of mercury in non-evaporable compound. Then wipe with soapy water once again, completely removing mercury from the outskirts to the center (in a bucket of water - 100 g of soap powder and 100 g of soda).
The collected mercury in no case should be disposed of in the garbage disposal or drain. Balls collected mercury thermometer broken, and all of its contents should be placed in a glass container filled with water, after which the cork tightly the lid and transfer to the Ministry of Emergency Situations. It should be remembered that a few grams of mercury contained in a thermometer, can poison up to 6000 m3 of air!