This is a Transmission Electron Microscopy (tem) method that is divided into three levels of analysis. Each level of analysis entails an increasing amount of analytical effort. A level I analysis is for screening large numbers of samples. A level II analysis is for regulatory action or compliance (this level of analysis is very similar to the ahera protocol). And a level III analysis is designed for confirmatory analysis of controversial samples.
Morphology and visual SAED pattern recognition
Morphology, Visual SAED, elemental analysis
Morphology, visual SAED, some zone axis SAED and elemental analysis
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