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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.
Physical charterstics of monocarboxylic acids Physical state: The first or initial three members (upto 3 carbon atoms) are colourless, pungent smelling liquids.
Dicarboxylic acids The acids consisting of two carboxylic groups are known as dicarboxylic acids. The saturated dicarboxylic acid are denoted by the general formula 2n (COOH
Convert formic acid to acetic acid
A polymer instance has chain of different type of lengths and hence its molecular mass is all the time expressed as an average on the other hand natural polymer like proteins consi
Distinguish between van''t Hoff Method and Oswald Isolation Method. In each case give an expression for the rate of reaction.
Explain the Sensory Evaluation We begin our discussion on sensory evaluation by first understanding what we mean by sensory evaluation. Sensory evaluation is a scientific disc
Freons - Halogen Derivatives The chloro fluoro that is derivatives of methane and ethane are called freons. Some of the derivatives are: CHF 2 Cl (monochlorodifluoromethane)
Q. Illustrate about nuclear particle? In 1932 Rutherford with Chadwick demonstrated the existence of the neutron a nuclear particle having no charge but with nearly the same
maximum 200 problems
WATER =1.3330 SEAWATER=1.33940 OIL=1.5204
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