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Analytical Chemistry
Beginning of paper
is the branch of chemistry principally concerned
with determining the chemical composition of materials, which may be solids,
liquids, gases, pure elements, compounds, or complex mixtures. In addition,
chemical analysis can characterize materials but determining their molecular
structures and measuring such physical properties as pH, c .... Middle of paper .... excessive amounts of a material to be identified. Most chemical
methods of qualitative analysis require a very small amount of the sample.
Advance instrumental techniques often use less than one millionth of a gram. An
example of this is mass spectrometry.
Quantitative chemical analysis is used to determine the amounts of
constituents. Most work in analytical chemistry is quantitative. It is also
the most difficult. In principle the analys ....
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Number of words: 1120 Number of pages: 5 (approx. 250 words per double-spaced page)
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