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88 relations: Acetylene, Ammonia, Argon, Arsenic, Atmosphere (unit), Butane, Butane (data page), Calibration, Carbon dioxide, Carbon monoxide, Celsius, Chloroform, Chloroform (data page), Close-packing of equal spheres, Critical point (thermodynamics), Cubic crystal system, Deuterium, Ethane, Ethanol, Ethanol (data page), Ethylene, Formic acid, Formic acid (data page), Gas, Graphite, Helium-4, Hexafluoroethane, Hexafluoroethane (data page), Hydrogen, Hydrogen chloride, Ice, Ice Ih, Ice II, Ice III, International System of Units, International Temperature Scale of 1990, Iodine, Isobutane, Isobutane (data page), Isotope, James Thomson (engineer), Journal of Low Temperature Physics, Journal of Physical and Chemical Reference Data, Kelvin, Krypton, Lambda point, Lidar, Liquefaction, Liquid, Mariner 9, ..., Mars, Mercury (element), Methane, Milli-, National Institute of Standards and Technology, Neon, Nitric oxide, Nitrogen, Nitrous oxide, Outer space, Oxygen, Palladium, Partial pressure, Pascal (unit), Phase (matter), Phase rule, Platinum, Polymorphism (materials science), Pressure, Properties of water, Radon, SI base unit, Silane, Solid, Sublimation (phase transition), Sulfur dioxide, Temperature, Thermodynamic equilibrium, Thermodynamics, Thermometer, Titanium, Uranium hexafluoride, Vienna Standard Mean Ocean Water, Water, Water vapor, William Thomson, 1st Baron Kelvin, Xenon, Zinc. Expand index (38 more) »
Acetylene
Acetylene (systematic name: ethyne) is the chemical compound with the formula C2H2.
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Ammonia
Ammonia is a compound of nitrogen and hydrogen with the formula NH3.
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Argon
Argon is a chemical element with symbol Ar and atomic number 18.
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Arsenic
Arsenic is a chemical element with symbol As and atomic number 33.
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Atmosphere (unit)
The standard atmosphere (symbol: atm) is a unit of pressure defined as.
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Butane
Butane is an organic compound with the formula C4H10 that is an alkane with four carbon atoms.
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Butane (data page)
This page provides supplementary chemical data on ''n''-butane.
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Calibration
Calibration in measurement technology and metrology is the comparison of measurement values delivered by a device under test with those of a calibration standard of known accuracy.
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Carbon dioxide
Carbon dioxide (chemical formula) is a colorless gas with a density about 60% higher than that of dry air.
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Carbon monoxide
Carbon monoxide (CO) is a colorless, odorless, and tasteless gas that is slightly less dense than air.
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Celsius
The Celsius scale, previously known as the centigrade scale, is a temperature scale used by the International System of Units (SI).
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Chloroform
Chloroform, or trichloromethane, is an organic compound with formula CHCl3.
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Chloroform (data page)
This page provides supplementary chemical data on chloroform.
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Close-packing of equal spheres
In geometry, close-packing of equal spheres is a dense arrangement of congruent spheres in an infinite, regular arrangement (or lattice).
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Critical point (thermodynamics)
In thermodynamics, a critical point (or critical state) is the end point of a phase equilibrium curve.
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Cubic crystal system
In crystallography, the cubic (or isometric) crystal system is a crystal system where the unit cell is in the shape of a cube.
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Deuterium
Deuterium (or hydrogen-2, symbol or, also known as heavy hydrogen) is one of two stable isotopes of hydrogen (the other being protium, or hydrogen-1).
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Ethane
Ethane is an organic chemical compound with chemical formula.
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Ethanol
Ethanol, also called alcohol, ethyl alcohol, grain alcohol, and drinking alcohol, is a chemical compound, a simple alcohol with the chemical formula.
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Ethanol (data page)
This page provides supplementary chemical data on ethanol.
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Ethylene
Ethylene (IUPAC name: ethene) is a hydrocarbon which has the formula or H2C.
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Formic acid
Formic acid, systematically named methanoic acid, is the simplest carboxylic acid.
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Formic acid (data page)
This page provides supplementary chemical data on formic acid.
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Gas
Gas is one of the four fundamental states of matter (the others being solid, liquid, and plasma).
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Graphite
Graphite, archaically referred to as plumbago, is a crystalline allotrope of carbon, a semimetal, a native element mineral, and a form of coal.
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Helium-4
Helium-4 is a non-radioactive isotope of the element helium.
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Hexafluoroethane
Hexafluoroethane is a fluorocarbon counterpart to the hydrocarbon ethane.
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Hexafluoroethane (data page)
This page provides supplementary chemical data on Hexafluoroethane.
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Hydrogen
Hydrogen is a chemical element with symbol H and atomic number 1.
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Hydrogen chloride
The compound hydrogen chloride has the chemical formula and as such is a hydrogen halide.
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Ice
Ice is water frozen into a solid state.
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Ice Ih
Photograph showing details of an ice cube under magnification. Ice Ih is the form of ice commonly seen on Earth. Phase space of ice Ih with respect to other ice phases. Ice Ih (pronounced: ice one h, also known as ice-phase-one) is the hexagonal crystal form of ordinary ice, or frozen water.
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Ice II
Ice II is a rhombohedral crystalline form of ice with a highly-ordered structure.
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Ice III
Ice III is a form of solid matter which consists of tetragonal crystalline ice, formed by cooling water down to at.
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International System of Units
The International System of Units (SI, abbreviated from the French Système international (d'unités)) is the modern form of the metric system, and is the most widely used system of measurement.
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International Temperature Scale of 1990
The International Temperature Scale of 1990 (ITS-90) published by the Consultative Committee for Thermometry (CCT) of the International Committee for Weights and Measures (CIPM) is an equipment calibration standard for making measurements on the Kelvin and Celsius temperature scales.
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Iodine
Iodine is a chemical element with symbol I and atomic number 53.
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Isobutane
Isobutane, also known as i-butane or methylpropane, is a chemical compound with molecular formula HC(CH3)3.
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Isobutane (data page)
This page provides supplementary chemical data on isobutane.
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Isotope
Isotopes are variants of a particular chemical element which differ in neutron number.
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James Thomson (engineer)
Professor James Thomson FRS FRSE LLD (16 February 1822 – 8 May 1892) was an engineer and physicist whose reputation is substantial though it is overshadowed by that of his younger brother William Thomson (Lord Kelvin).
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Journal of Low Temperature Physics
The Journal of Low Temperature Physics is a biweekly peer-reviewed scientific journal covering the field of low temperature physics and cryogenics, including superconductivity, superfluidity, matter waves, magnetism and electronic properties, active areas in condensed matter physics, and low temperature technology.
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Journal of Physical and Chemical Reference Data
The Journal of Physical and Chemical Reference Data is a quarterly peer-reviewed scientific journal published by AIP Publishing on behalf of the National Institute of Standards and Technology.
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Kelvin
The Kelvin scale is an absolute thermodynamic temperature scale using as its null point absolute zero, the temperature at which all thermal motion ceases in the classical description of thermodynamics.
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Krypton
Krypton (from translit "the hidden one") is a chemical element with symbol Kr and atomic number 36.
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Lambda point
The Lambda point is the temperature at which normal fluid helium (helium I) makes the transition to superfluid helium II (approximately 2.17 K at 1 atmosphere).
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Lidar
Lidar (also called LIDAR, LiDAR, and LADAR) is a surveying method that measures distance to a target by illuminating the target with pulsed laser light and measuring the reflected pulses with a sensor.
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Liquefaction
In materials science, liquefaction is a process that generates a liquid from a solid or a gas or that generates a non-liquid phase which behaves in accordance with fluid dynamics.
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Liquid
A liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a (nearly) constant volume independent of pressure.
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Mariner 9
Mariner 9 (Mariner Mars '71 / Mariner-I) was an unmanned NASA space probe that contributed greatly to the exploration of Mars and was part of the Mariner program.
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Mars
Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System after Mercury.
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Mercury (element)
Mercury is a chemical element with symbol Hg and atomic number 80.
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Methane
Methane is a chemical compound with the chemical formula (one atom of carbon and four atoms of hydrogen).
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Milli-
Milli- (symbol m) is a unit prefix in the metric system denoting a factor of one thousandth (10−3).
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National Institute of Standards and Technology
The National Institute of Standards and Technology (NIST) is one of the oldest physical science laboratories in the United States.
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Neon
Neon is a chemical element with symbol Ne and atomic number 10.
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Nitric oxide
Nitric oxide (nitrogen oxide or nitrogen monoxide) is a colorless gas with the formula NO.
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Nitrogen
Nitrogen is a chemical element with symbol N and atomic number 7.
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Nitrous oxide
Nitrous oxide, commonly known as laughing gas or nitrous, is a chemical compound, an oxide of nitrogen with the formula.
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Outer space
Outer space, or just space, is the expanse that exists beyond the Earth and between celestial bodies.
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Oxygen
Oxygen is a chemical element with symbol O and atomic number 8.
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Palladium
Palladium is a chemical element with symbol Pd and atomic number 46.
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Partial pressure
In a mixture of gases, each gas has a partial pressure which is the hypothetical pressure of that gas if it alone occupied the entire volume of the original mixture at the same temperature.
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Pascal (unit)
The pascal (symbol: Pa) is the SI derived unit of pressure used to quantify internal pressure, stress, Young's modulus and ultimate tensile strength.
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Phase (matter)
In the physical sciences, a phase is a region of space (a thermodynamic system), throughout which all physical properties of a material are essentially uniform.
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Phase rule
Gibbs' phase rule Chapter 6 was proposed by Josiah Willard Gibbs in his landmark paper titled On the Equilibrium of Heterogeneous Substances, published from 1875 to 1878.
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Platinum
Platinum is a chemical element with symbol Pt and atomic number 78.
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Polymorphism (materials science)
In materials science, polymorphism is the ability of a solid material to exist in more than one form or crystal structure.
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Pressure
Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.
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Properties of water
Water is a polar inorganic compound that is at room temperature a tasteless and odorless liquid, which is nearly colorless apart from an inherent hint of blue. It is by far the most studied chemical compound and is described as the "universal solvent" and the "solvent of life". It is the most abundant substance on Earth and the only common substance to exist as a solid, liquid, and gas on Earth's surface. It is also the third most abundant molecule in the universe. Water molecules form hydrogen bonds with each other and are strongly polar. This polarity allows it to separate ions in salts and strongly bond to other polar substances such as alcohols and acids, thus dissolving them. Its hydrogen bonding causes its many unique properties, such as having a solid form less dense than its liquid form, a relatively high boiling point of 100 °C for its molar mass, and a high heat capacity. Water is amphoteric, meaning that it is both an acid and a base—it produces + and - ions by self-ionization.
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Radon
Radon is a chemical element with symbol Rn and atomic number 86.
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SI base unit
The International System of Units (SI) defines seven units of measure as a basic set from which all other SI units can be derived.
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Silane
Silane is an inorganic compound with chemical formula, SiH4, making it a group 14 hydride.
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Solid
Solid is one of the four fundamental states of matter (the others being liquid, gas, and plasma).
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Sublimation (phase transition)
Sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.
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Sulfur dioxide
Sulfur dioxide (also sulphur dioxide in British English) is the chemical compound with the formula.
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Temperature
Temperature is a physical quantity expressing hot and cold.
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Thermodynamic equilibrium
Thermodynamic equilibrium is an axiomatic concept of thermodynamics.
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Thermodynamics
Thermodynamics is the branch of physics concerned with heat and temperature and their relation to energy and work.
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Thermometer
A thermometer is a device that measures temperature or a temperature gradient.
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Titanium
Titanium is a chemical element with symbol Ti and atomic number 22.
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Uranium hexafluoride
Uranium hexafluoride, referred to as "hex" in the nuclear industry, is a compound used in the uranium enrichment process that produces fuel for nuclear reactors and nuclear weapons.
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Vienna Standard Mean Ocean Water
Vienna Standard Mean Ocean Water (VSMOW) is a water standard defining the isotopic composition of fresh water.
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Water
Water is a transparent, tasteless, odorless, and nearly colorless chemical substance that is the main constituent of Earth's streams, lakes, and oceans, and the fluids of most living organisms.
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Water vapor
No description.
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William Thomson, 1st Baron Kelvin
William Thomson, 1st Baron Kelvin, (26 June 1824 – 17 December 1907) was a Scots-Irish mathematical physicist and engineer who was born in Belfast in 1824.
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Xenon
Xenon is a chemical element with symbol Xe and atomic number 54.
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Zinc
Zinc is a chemical element with symbol Zn and atomic number 30.
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Redirects here:
Triple Point, Triple point cell, Triple point of water, Triple-point.
References
[1] https://en.wikipedia.org/wiki/Triple_point
