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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.
What is the difference between a theory and a hypothesis? What is the difference between a hypothesis and a law? Is there a sequential move from one to another, amongst law, theory
Carboxylate salts Carboxylate salts are less reactive than esters in nucleophilic acyl substitution reactions for two reasons. First, resonance stabilization of carboxylate s
what is cut off point of a solvent?
The nature of bonding in graphite is: (1) Covalent (2) Ionic (3) Metallic (4) Coordinate Ans: Covalent
A 4-m long curved gate is located in the side of a reservoir containing water as shown in Figure. Determine the magnitude of the horizontal and vertical components of the force of
Describe the phases present in the equilibrium system? Suppose the system contains 36.0 g (2.00mol) H 2 O and 58.4 g (1.00mol) NaCl at 25°C and 1 bar. Table: Aqueous solub
what is allyl componund
Aldehydes and Ketones Carbonyl compounds are of two types, ketones and aldehydes. Both of them comprise a carbon-oxygen double bond frequently known as carbonyl group.
Sedatives: Sedatives act as depressant and suppress the activities of central nervous scheme. They are offered to patients who are mentally violent and agitated. Sedatives offe
Write essey on organic quantitative analysis
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