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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.
Q. Describe about groups or families in periodic table? Every element may be represented by a one or two letter symbol. In the middle of nineteenth century a Russian chemist Dm
Nomenclature of Bicyclic compounds Several hydrocarbons and their derivatives include two fused or bridged rings. The carbon atoms are common to both rings are known as bridge
We are asked to design a qualitative analysis scheme that can be used to determine which cations are present in a solution containing only four of the following cations: Pb2+, Ag+,
1. Express 95 mg/l of Ca 2+ as milligrams per liter of CaCO 3 . 2. Express 221 mg/l of Ca(HCO 3 ) 2 as equivalents per liter of CaCO 3 . 3. Determine the concentration o
I''m trying to find articles and books online that I can get information on the mechanism of the Darzen''s reaction. Any ideas?
What is inductomeric effect with example and what is difference between inductive and inductomeric effect
According to Aufbau's principle, which of the three 4d, 5p and 5s will be filled with electrons first: (1) 4d (2) 5d (3) 5s (4) 4d and 5s will be filled simultaneo
ABAOUT ANY MAGNATIC CALCULATION OF TRANSAYION ELEMENT.
Interactive periodic table In this interactive periodic table animation you can view details of all components through clicking on it. You can select the colored through option
For a given value of quantum number l , the number of allowed values of is given by: (1) l+2 (2) 2l+2 (3) 2l+ 1 (4)
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