5. A mercury-in-glass thermometer, also known as a mercury thermometer, was invented by German physicist Daniel Gabriel Fahrenheit in 1724 and is a thermometer consisting of mercury in a 4. Tell your child to keep the lips firmly closed, but not to bite the thermometer. After shaking the mercury down, place the thermometer under the child's tongue, with the bulb toward the back of the mouth. Older thermometers of this type used liquid mercury. Mercury spilled from broken thermometers also poses an environmental and P314 - Get medical advice/attention if you feel unwell. Mercury-free standard version from -30 to 250 °C with blue thermometric fluid. Leave the thermometer in place for 3 minutes. bringing your mercury thermometer to the designated area and exchanging it for a non-mercury thermometer. Both laboratory and clinical studies show that there is no significant difference in the average accuracy of the two types of thermometers, however there is a greater fluctuation of readings of temperature when using electronic thermometers. These liquid thermometers are based on the principal of thermal expansion. A primarily clinical trial has been undertaken to investigate and compare the use of mercury and digital thermometers in a ward situation. do not get in eyes, on skin, on clothing. 1. A maximum thermometer is a mercury thermometer used to measure the maximum temperature within a certain period. 3. The break in the column of mercury is visible. Although these thermometers provide excellent performance, regulations on the sale of mercury thermometers limit their continued availability. For display ranges starting at 0...300 °C only mercury filling is technically possible. In response to our understanding of the health concerns associated with mercury exposure, these types of thermometers usually use some type of liquid alcohol. Mercury-filled liquid-in-glass thermometers have a long history of use in a variety of laboratory and industrial applications. 09/18/2017 EN (English US) 2/11 P310 - Immediately call a POISON CENTER or doctor. Mercury Thermometer Safety Data Sheet According To Federal Register / Vol. keep in tightly closed container. hazardous only if broken poison danger exceptional contact hazard - read material safety data sheet may be fatal if swallowed or inhaled-emits toxic vapors, especially when heated. Use a thermometer with a long bulb (Picture 3). Information about storage in one common storage facility: Keep away from acid, strong oxidizing agent and flammable substance. 58 / Monday, March 26, 2012 / Rules And Regulations And According To The Hazardous Products Regulation (February 11, 2015). It has a narrow part in the capillary tube where mercury passage is constricted between the bulb and the starting point of the scale (Figure 2.6). If there is no exchange program, please call your local hazardous waste department for instructions on proper disposal. 2. 77, No. thermometer contains mercury. Mercury-in-glass thermometer 1 Mercury-in-glass thermometer Closeup of a maximum thermometer. Can only be placed in the original container. 847 / 2012 of European Union, thermometers with mercury filling are only bound for â¦ When a substance gets hotter, it expands to a greater volume. do not breathe dust. Remove the thermometer and read it. According to regulation no. After assessing its own regulations and test methods to locate references to mercury thermometers, EPA in January 2012 updated such references to allow the use of alternatives to mercury-containing thermometers (PDF) (11 pp, 204 K, about PDF).
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