Abstract
Although micromethods of analysis have been used for many years by the organic analyst because of their time-saving and reagent-saving features, their usefulness in metallurgical analysis was slow to be recognized, and they were developed only when analysts became faced with the analysis of materials in short supply. Many methods are now available, however, for the microanalysis of ferrous and non-ferrous materials, and they are critically reviewed in this paper. The term “microanalysis” applies when the analysis is completed on only a few milligrammes of sample, but there has been some dispute concerning this interpretation. Kirk, for instance, argues that a better term would be “milligramme analysis”. It is not clear, however, whether the interpretation refers to the complete analysis of the material on a few milligrammes or simply to the determination of a single constituent. In this review, both cases have been included to enable a greater scope to be covered.
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