Concept explainers
(a)
Interpretation:
The density of solution I2 is 0.794gm/cm3 which is present in ethanol. Transmission of 33.2% of the radiation from a Mo Ka is done by using a layer of 1.50 cm. Mass absorption coefficient are 39.2,0.70, 0.00, 1.50 for I, C, H and O respectively. Percentage of I2 present in ethanol is to be determined, neglecting the absorption by alcohol.
Concept introduction:
Formula used for the calculation are-
Where,
Po= transmitted beam power
P = incident beam power
µM = mass absorption coefficient
ρ = density
x = sample thickness
Where,
(b)
Interpretation:
Percentage of I2 present in ethanol is to be determined when alcohol is present.
Concept introduction:
Formula used for the calculation are-
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PRINCIPLES OF INSTRUMENTAL ANALYSIS
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