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What are the different types of liquids used in thermometers?

April 26, 2017different liquids thermometers types Used

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What are the different types of liquids used in thermometers?

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1. Mercury – Metal, molecular formula: Hg, an odorless, silvery liquid with a metallic luster. 2. Mineral Spirits – Petroleum hydrocarbon, clear odorless liquid with a petroleum odor, usually mixed with blue, red or green colored disazo dye. 3. Enviro-Safe® liquid – A mixture of biodegradable citrus liquid and a green, non-toxic dye (Monoazo-Anthroquinone Dye). 4. Mercury/Gallium – Mercury and Gallium amalgam which increases the temperature range by lowering the mercury boiling point (used in thermometers up to 620°C). 5. Mercury/Thallium – Mercury and Thallium amalgam which lowers the temperature range of mercury to below –40°C by lowering the solidification point of mercury.