25119
Under the optimized extraction conditions , the enrichment factors were achieved in the range from 49 to 308 with good inter - fibre repeatability and batch - to - batch reproducibility , while good linearity ranges and recoveries were obtained .
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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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