https://en.wikipedia.org/wiki/Alcohol_thermometer

The alcohol thermometer or spirit thermometer is an alternative to the mercury-in- glass ... An organic liquid is contained in a glass bulb which is connected to a capillary of the ... the liquid is made more visible by the addition of a red or blue dye.

https://www.thomassci.com/scientific-supplies/Blue-Spirit-Filled-Thermometer

Blue Spirit Filled Thermometer found in: Accu-Safe Enclosed Chamber Blue Spirit ... General purpose laboratory glass thermometers Blue Spirit liquid filling ...

https://www.poison.org/articles/2015-dec/thermometer

The oldest technology is the mercury-in-glass thermometer. Newer technologies include non-mercury liquids-in-glass as well as digital and electronic devices ...

https://www.hunker.com/13404525/what-liquid-is-inside-a-thermometer

Although many people commonly associate thermometers with a mercury filling, the dangerous properties of mercury have spurred manufacturers to use other ...

https://science.howstuffworks.com/how-does-a-galileo-thermometer-work.htm

What kind of thermometer is this, and how does it work? ... The bubbles are glass spheres filled with a colored liquid mixture. ... The blue bubble (60 degrees) is the heaviest (densest) bubble, and each bubble thereafter is slightly lighter, with ...

https://www.stanleysubaru.com/blog/2012/november/15/what-does-this-blue-light-on-my-subaru-dashboard-mean.htm

Nov 15, 2012 ... After that, this indicator light/warning light changes to BLUE and maintains illumination in BLUE. This BLUE illuminated light turns off when the ...

https://www.quora.com/What-is-the-red-liquid-in-a-thermometer-Is-it-dangerous

That stuff is alcohol, with red dye. Nope it is not Red Mercuric oxide, so if you drink the stuff, I think your danger will be from the broken glasses, ...

https://novalynx.com/store/pc/Rejoining-a-Separated-Thermometer-Column-d40.htm

A separated column is one in which portions of the mercury or alcohol become separated from the main column. Column separation is common in thermometers , ...

https://www.sigmaaldrich.com/content/dam/sigma-aldrich/docs/Aldrich/Bulletin/al_techbull_al221.pdf

Hold the thermometer in an upright position and gradually immerse the bulb in a ... Force the liquid down the capillary using a centrifuge with a cup deep enough  ...

https://reotemp.com/temperature/bimetal-thermometers/specialty-application-specific-thermometers/liquid-in-glass-industrial-thermometer/

Sep 30, 2017 ... TUBE & CAPILLARY: Blue Spirit filled magnifying lens tube. Precision made to guarantee accuracy within 1% of scale range. Silicone shock ...