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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.
Line imperfection : Displacement with a curved boundary makes a mixed dislocation line at the boundary.
Calculate the ratio of d number of molecules in two energy levels at 27''c given E2=9.75x10"-13erg/mol E1=6.95X10"-13erg/mol g1=2 g2=3
Analytical test of Oxalic acid or Polyprotic acid (a) The aqueous solution turns blue litmus red. (b) The aqueous solution includes effervescences along with NaHCO 3 . (c
Q. What do you mean by Isomers? Ans. Compounds like butane and 2-methylpropane which have the same molecular formula but different molecular structures are called isomers
Tiffeneau-Demjanov Rearrangement examples
Since fluorine is very electronegative as a result hydrogen develop a very positive character. As a result the H-bonding is very tough because of large difference in electronega
how does salt bridge works??
Qualitative analysis A salt contains two parts defined as radicals. The positively charged part of a salt (cation) that has been derived from a base is known as basic radical a
Explain objectives of annealing? Discuss the various annealing processes? Is spheroidising different from annealing? Illustrate. A slow cooling rate from eutectoid tempe
Q. Define about Crystal Field Theory? This theory is based on two main assumptions. First, all the ligands are considered as point (negative) charges. It means that the size an
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