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The cylindrical ion trap consists of a central cylindrical electrode (ring electrode) and two end-cap electrodes. By applying a combination of static and oscillating voltages to these electrodes, a three-dimensional quadrupole field is generated. The ions are trapped in the center of this field due to the restoring forces created by the ...
The radial trajectory of an ion in a Penning trap; the ratio of cyclotron frequency to magnetron frequency is / = /. A standard configuration for a Penning trap consists of a ring electrode and two end caps. A static voltage differential between the ring and end caps confines ions along the axial direction (between end caps).
Some workers prefer the opposite arrangement, where vapors flow down the wall of the trap, and are sucked up the inner tube; this reduces blockage. [1] In vacuum applications, a cold trap is a device that condenses all vapors except the permanent gases (hydrogen, oxygen, and nitrogen) into a liquid or solid.
The Trapp mixture is a specific mixture of organic solvents that allows chemical reactions to take place at very low temperatures. [1] It is made up of THF:diethyl ether:pentane in a 4:4:1 ratio which remains liquid down to −110 °C and the same solvents in a 4:1:1 ratio remain a liquid down to −120 °C.
In chemistry, a chemical trap is a chemical compound that is used to detect unstable compounds. [1] The method relies on efficiency of bimolecular reactions with reagents to produce a more easily characterize trapped product.
The "Mag-7" or Magnificent Seven stocks are large-cap technology companies that have significant weighting in major stock indexes and have led much of the rally in stocks the past few years.