Select one of the mmHg conversions below: This table provides a summary of the Pressure units within their respective measurement systems. Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro .Add the Engineering ToolBox extension to your SketchUp from the SketchUp Pro Sketchup Extension Warehouse! Google use cookies for serving our ads and handling visitor statistics. Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications! Looking for a conversion? n. The temperature and pressure at which a substance can exist in equilibrium in the liquid, solid, and gaseous states. The triple point of pure water is at 0.01 degrees Celsius and 4.58 millimeters of mercury and is used to calibrate thermometers. We don't collect information from our users. The triple point of water is 273.16 K at 611.73 Pa. Only emails and answers are saved in our archive. Presented at the 50th Calorimetry Conference 1995. The symbol for millimeters of mercury is mmHg. The triple point is not the same as the critical point. It is equal to a pressure of 133.3224 pascals or 0.00131579 atmospheres. This is the basis of the Kelvin scale and it is equal to 0.01 о C, which is the freezing point of water. American Heritage® … Two geometrical configurations of the sample are compared and the effect of impurities considered. Millimeters of mercury is a non-SI unit of Pressure. Triple point and melting point of mercury. Critical Temperatures and Pressures for some common substances. For the dental grade Hg sample, a difference of 4.5 mK was measured, while 5.4 mK is the value adopted on the ITS-90. Millimeters of mercury is a non-SI unit of Pressure. We use cookies to help provide and enhance our service and tailor content and ads. By continuing you agree to the use of cookies. Please re-enable javascript in your browser settings. See also Critical Temperatures and Pressures for some common substances. Some of our calculators and applications let you save application data to your local computer. These applications will - due to browser restrictions - send data between your browser and our server. If you want to promote your products or services in the Engineering ToolBox - please use Google Adwords. You can target the Engineering ToolBox by using AdWords Managed Placements. The triple point and melting point of mercury were studied by continuous melting and adiabatic calorimetry techniques. All rights reserved. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. AddThis use cookies for handling links to social media. The pressure dependence of the melting point, using small samples, was found to be 4.8 + 0.2 mK bar- 1, corresponding to a difference of 4.8 mK between the normal 190 E. M ~ndez-Lan9o, J. Ancsin/Thermochimica Acta 287 (1996) 183-190 melting and triple points. Although not an SI unit, the millimetre of mercury is still routinely used in medicine, meteorology, aviation, and many other scientific fields. Sometimes only the term triple point is used, which refers to both the temperature and the pressure at which the three phases co-exist in equilibrium. We don't save this data. Cookies are only used in the browser to improve user experience. Millimeters of mercury to Pounds per square inch. The symbol for millimeters of mercury is mmHg. Please read AddThis Privacy for more information. 1 mmHg is also equal to 1 Torr. Triple point for some common substances: See also Critical Temperatures and Pressures for some common substances 1 kPa (103 Pa) = 0.145 psi The triple point is not the same as the critical point. Triple point:  The combination of the temperature and the pressure at which the three phases (gas, liquid, and solid) of a substance coexist in thermodynamic equilibrium. Select a conversion type and the desired units. A millimetre of mercury is a manometric unit of pressure, formerly defined as the extra pressure generated by a column of mercury one millimetre high, and currently defined as exactly 133.322 387 415 pascals. While using this site, you agree to have read and accepted our Terms of Service and Privacy Policy. It is denoted mmHg or mm Hg.. Copyright © 2012-2020 CheckYourMath.com. Please read Google Privacy & Terms for more information about how you can control adserving and the information collected. CheckYourMath.com requires javascript to work properly. Copyright © 2020 Elsevier B.V. or its licensors or contributors. Copyright © 1996 Published by Elsevier B.V. https://doi.org/10.1016/S0040-6031(96)02979-6. It is equal to a pressure of 133.3224 pascals or 0.00131579 atmospheres. 1 mmHg is also equal to 1 Torr.

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