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High ionisation energy:
The high ionisation energy of helium (24.6 eV) makes it a potential gas to be used in plasma source.
The nitrogen gas is generally not used as a plasma gas in plasma based atomic emission spectrometry because the excited nitrogen emits a complex band spectrum that can cause undesirable spectral interference.
Polychromator is a type of simultaneous spectrometer. It has a fixed diffraction grating monochromator and multiple 'exit slits' with associated photomultipliers. Every of the photomultiplier is optimized to detect a specified wavelength corresponding to an element of interest. The emission radiation from the source is dispersed by the grating and sent through different exit slits to be detected by appropriate photomultiplier tube.
x grams of calcium carbonate was completely burnt in air.the weight of solid residue formed is 28 g.what is the vlue of x in grams?
why carbonate salts are insoluble in water
Q. Show the Units of Measurement? You most likely know your height in feet and inches. The majority people outside the United States however measure height in meters and centim
Decomposition Metal Hydrogen Carbonate Cu(HCO 3 ) 2 . Decomposition Metal Hydrogen Carbonate
given: reciprocal linear dispersion= 2.5 nm/mm focal length = .30 m groove spacing = d = 833.3 nm wavelength = 400 nm
Uses of Proteins (a) Proteins constitute as necessary part of our food. Meat, eggs, fish, cheese offer proteins to human beings. (b) In textile: Casein (a milk protein) is u
Conditions for geometrical isomerism: Compound will depict geometrical isomerism if it fulfils the subsequent two conditions (i) There should be frozen motion as regards tw
The total number of orbitals in an energy level designated by principal quantum number n is equal to: (1) 2n (2) 2n 2 (3) n
A diluted polymer solution with a density of 1130 kg/m3 was extruded by a capillary tube of 3.5 mm internal diameter and 1 m long. The following results were contained at 25°C.
steric effect affecting the end product of organic compound
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