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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.
Q1. a). Using diagram, explain how fluorescence detector optical bench works (5 marks) (b). Explain the applications of mass spectrometric detector (LC/MS) in HPLC (5 mar
Gold has a molar mass of 197g/mol. How many atoms are in the sample?Please give me procedure also. Ans) molecular wieght of gold is 197 g 1mole/g of molecule is occupies the
what are valence electrons? and how do you write them?
Chemical Kinetics of the Peroxodisulfate Ion The peroxodisulfate ion is one of the strongest oxidants that are called, although the oxidation reaction is relatively slo
Synthetic Rubber - Classification of Rubber The synthetic rubber is acquired by polymerising specific organic compounds that may have properties identical to rubber and some w
Theory of the experiment
what is acid
how we determine the compound is ir active or not . and how we determine the polarity of a compound?
Do you do power point assignments and if you do, what is the turn around time?
Criteria for determining the purity of organic compounds
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