24297
We have found that an impurity partitioning takes place during growth of colloidal crystals , which was recognized by the fact that the impurity concentration in the solid ( CS ) was different from that in the initial solution ( C0 ) .
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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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