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We then performed in situ spatially resolved measurements ( confocal spectroscopy and small - angle X - ray scattering ) to quantitatively measure the concentration profile and to determine the microstructure of the different textures .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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