(a). Calculate the Amax for the following compounds: CH3 (i). (ii). CH3 НО. H3C OH HO H3C CH3

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Chapter1: Chemical Foundations
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kindly answer this question A i & ii

(a). Calculate the Amax for the following compounds:
CH3
(i).
(ii).
CH3
НО.
H3C
OH
HO
H3C
CH3
(b). Atomic abs orption spectroscopy (AAS) is used for the quantitative
determination of chemical elements in a sample which is based on
absorption of light by free atoms.
(i).
State the type of element that can be analysed by AAS.
(ii). In AAS, an atomic constituent in a sample will be analysed after
atomisation process. Explain the principles of atomisation.
(iii). Differentiate between a flame atomiser and an electrothermal
atomiser, in terms of atomisation mode, temperature used and
sensitivity.
Transcribed Image Text:(a). Calculate the Amax for the following compounds: CH3 (i). (ii). CH3 НО. H3C OH HO H3C CH3 (b). Atomic abs orption spectroscopy (AAS) is used for the quantitative determination of chemical elements in a sample which is based on absorption of light by free atoms. (i). State the type of element that can be analysed by AAS. (ii). In AAS, an atomic constituent in a sample will be analysed after atomisation process. Explain the principles of atomisation. (iii). Differentiate between a flame atomiser and an electrothermal atomiser, in terms of atomisation mode, temperature used and sensitivity.
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