The complexity of corrosion problems and possible mechanisms, as well as the diversity of analytical instruments and techniques demand more and better communication between the corrosion engineer and the analyst. Communications are required not only to plan the analytical work to be carried out, but to interpret the analytical results after the analysis is complete. At the outset, a discussion of the corrosion problem with the analyst may suggest the analyses for certain elements that are not among the obvious elements. Certain techniques may be planned that would not consume all the sample, if the amount of material is limited. Awareness of the degree of accuracy needed often assists the analyst in selection of the best instrument or technique. An estimation of the amount of the element present allows the analyst to select the optimum sample size.

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