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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.
Biodegradable polymers These are the polymers that are degraded through micro-organisms in an appropriate period so that biodegradable polymers and their degraded products do n
Physical Properties of benzene (a) First property of Benzene is that it is a colourless, mobile and volatile liquid. Its boiling point is 80°C and freezing point is 5.5°C. It c
which are the most imporrtant compounds formed in p &s blocccccck
What is meant by ''mass number''
How are standard solutions and titrations prepared in industry compared to school
The filling of the table defined above leads to a natural division of the periodic table into blocks according to the outer electron configurations of atoms (see Fig. 2). All s blo
chemical physical properties and uses
predict the period number and group number of element with atomic number 12
Electrovalent compound's: (1) Melting points are low (2) Boiling points are low (3) Conduct current in fused stat (4) Insoluble in polar solvent Ans: Conduct curre
Soaps - Oils and fats Soaps are the metallic salts of higher fatty acids like stearic, palmitic, oleic, etc. The potassium and sodium salts are the common soaps that are solubl
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