Elemental Microanalysis

This analysis is normally performed for the following reasons:

• Proof of composition - It provides the answer to the question: "Is the empirical formula consistent with the structural hypothesis?"
• Proof of purity - It provides the answer to the question: "Is the sample sufficiently pure to provide elemental composition consistent with the theoretical formula andwithin the limits of tolerable error?" (Usually within ± 0.4% of the expected value)
• Historically, many journals would not accept manuscripts for publication without a satisfactory elemental analysis.

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