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Quantitative elemental analysis:
The instrument used for AFS consists of atom reservoir that might be a flame or a furnace etc., a basic source emitting the features absorption radiation of the element being determined, a monochromator, detector, signal processor and readout device. The basic source is commonly a hollow cathode lamp or a tuned laser.
Atomic fluorescence spectrometry is meaningful in study of electronic structure of atoms and in quantitative elemental analysis. Applications involves determination of Pb, Hg, Cd, As (III), As (V) Sb(III), Sb(V), Se(IV,VI), etc within clinical, environmental, geological and metallurgical, pharmaceutical and petrochemical samples. The major benefits of fluorescence measurements as compared to absorption measurements are the greater sensitivity as the signal has extremely low background and lesser interferences. It does suffer from the interference from matrix emission, oxide creation and scattering because of organic solvents but not as severely as the other atomic spectrometric methods.
what are chemical properties of haloarenes?
Boiling point -physical characteristics of carbonyl compound The boiling points of aldehydes and ketones are high as compared to those of non polar compounds (hydrocarbons) or
Imp reactions of p block
An electron has principal quantum number 3. The number of its (i) sub-shells and (ii) orbitals would be respectively: (1) 3 and 5 (2) 3 and 7 (3) 3 and 9
characteristics of irreversible reaction
I WANT FIGURE FOR POENTIONSTAATIC COULOMETRY
Why is CO2 soluble in water.
What will be de-Broglie wavelength of an electron moving with a velocity of 1.2 x 10 5 ms -1 : (1) 6.068x 10 -9 (2) 3.133 x 10 -37 (3) 6.626x 10 -9
The increasing order (lowest first) for the values of e/m (charge/mass) for: (1) e,p,n,a (2) n,p,e,a, (3) n,p,a,e,
The sulphate of a metal has the formula M 2 (SO 4 ) 3 . The formula for its phosphate will be: (1) M(HPO 4 ) 2 (2) M 3 (PO
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