Q:
What Is a Laboratory Thermometer?
A:
Quick Answer
A laboratory thermometer is a tool used in laboratories to measure temperature with a high level of accuracy. It can be partially or fully immersed in the substance being measured. A laboratory thermometer is recognizable by its long stem with a silver bulb at the end.
Continue Reading
Credit:
WLADIMIR BULGAR
Science Photo Library
Getty Images
Full Answer
The silver color on the laboratory thermometer at the bulb normally indicates the presence of mercury. Mercury expands as the temperature increases, thus raising the reading, while decreasing temperatures contract the mercury, lowering the reading. Mercury thermometers are being phased out as preference is shifted to other types of thermometers, such as digital, alcohol-filled and organic-based thermometers.
Learn more about Chem LabSources:
Related Questions
-
Q:
What Is an Alcohol Thermometer Used to Measure?
A: An alcohol thermometer is used to measure temperature and is an alternative to mercury thermometers. It is not recommended for precise measurements, becaus... Full Answer >Filed Under: -
Q:
What Is a Thermometer Used For?
A: A thermometer is used to measure the temperature of different materials or substances. It can be used for solids, liquids or even gases. Full Answer >Filed Under: -
Q:
What Is the Function of a Water Bath?
A: Typically used during an incubation in microbiological laboratory work, a water bath keeps water at a consistent temperature. A water bath can also be used... Full Answer >Filed Under: -
Q:
What Is the Function of a Ring Stand?
A: Ring stands are tools used during chemical reactions in laboratories to hold and support hardware. A ring stand consists of a vertical metal rod attached t... Full Answer >Filed Under:
