An unknown white powder have been seized by the police on the country border. The chemical analysis is yet to be performed. Although the powder is suspected to be a precursor for an explosive, there is no preliminary information on whether it has organic, inorganic or metallic composition. CUSTOMS Figure 1. Image of the seized powder. (a) You are asked to propose an analytical strategy to establish whether the powder is consistent with explosive. Your proposal should include: (i) The sequence that the techniques and sample manipulation steps will be applied including decision gates etc. (you might wish to illustrate this sequence with a flow diagram). (ii) A brief justification for using each of the proposed techniques in the context this analysis.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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An unknown white powder have been seized by the police on the country border. The
chemical analysis is yet to be performed. Although the powder is suspected to be a
precursor for an explosive, there is no preliminary information on whether it has organic,
inorganic or metallic composition.
CUSTOMS
Figure 1.
Image of the seized powder.
(a) You are asked to propose an analytical strategy to establish whether the powder is
consistent with explosive.
Your proposal should include:
(i) The sequence that the techniques and sample manipulation steps will be
applied including decision gates etc. (you might wish to illustrate this
sequence with a flow diagram).
(ii) A brief justification for using each of the proposed techniques in the context of
this analysis.
Transcribed Image Text:An unknown white powder have been seized by the police on the country border. The chemical analysis is yet to be performed. Although the powder is suspected to be a precursor for an explosive, there is no preliminary information on whether it has organic, inorganic or metallic composition. CUSTOMS Figure 1. Image of the seized powder. (a) You are asked to propose an analytical strategy to establish whether the powder is consistent with explosive. Your proposal should include: (i) The sequence that the techniques and sample manipulation steps will be applied including decision gates etc. (you might wish to illustrate this sequence with a flow diagram). (ii) A brief justification for using each of the proposed techniques in the context of this analysis.
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