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It depends on the thermometer. An old-style liquid thermometer might contain: * Mercury (silvery) * alcohol (usually dyed red or blue for visibility) * an alloy of sodium and potassium (silvery) * an alloy of gallium, indium, and tin (silvery) * any of a number of other things depending on the temperature range to be measured Electronic thermometers contain a thermocouple plus electronics to turn the potential generated by the thermocouple into a temperature reading.

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14y ago
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14y ago

Common household thermometers used to have mercury in them, but mercury is dangerous, so most thermometers nowadays only have very tiny amounts of it. Instead of mercury, they often use a substance called galinstan. See the Related Link below.

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12y ago

Mercury use to be the most commonly used fluid in thermometers. Now, because of concerns about the toxicity of mercury should it be released from a broken thermometer, they use red alcohol in most liquid thermometers.

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15y ago

usually mercury (quick silver) although now days it might be something else which is not toxic.

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14y ago

Often Mercury is in Thermometers because it is a liquid at room temperature and expands with heat. But due to the dangers associated with Mercury it is being used less.

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15y ago

alchohal alchohal

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Q: What is best known to be used in thermometers?
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Related questions

For what purposes is an infrared thermometer used?

Infrared thermometers or laser thermometers as they are someimes known are useful for measuring temperature under circumstances wprobe type sensors cannot be used .


What liquid mental is used for thermometers?

Mercury is used in thermometers.


How are mercury thermometers used today?

Mercury thermometers are rarely used, except in lab thermometers. For human use, they have been replaced by dyed alcohol glass thermometers, or electronic digital thermometers.


What are strip thermometers?

the thermometers which are used to find your temperature


Why is mercury not used in thermometers any more?

Mercury is not used in thermometers, because mercury is poisonous.


Is Mercury used in thermometers?

In normal and some medical thermometers Mercury is used. That is why you may want to consider using electric thermometers which are more commonly used. They use no mercury.


What liquid used to be in thermometers?

Most thermometers used to contain Mercury until it was found to be toxic.


What liquid used to be in most thermometers?

Most thermometers used to contain mercury until it was found to be toxic.


What liquid element is used in thermometers.?

Mercury (Atomic number 80) is still used in some thermometers.


Is alcohol used for clinical thermometers or laboratory thermometers?

Alcohole is not used for any thermometer only murcury (Hg) is used


Why are digital thermometers used these days?

Digital thermometers have replaced mercury thermometers because mercury is toxic. [Personal commentary: digital thermometers are not accurate and mercury thermometers are so how many people are being harmed by not knowing their temperature versus how many would be harmed by the mercury if accurate thermometers were still used?]


Where is mercury used?

in thermometers.