17226
The optimised method offered a good linear correlation ( r ( 2 ) > 0 . 9967 ) , excellent precision ( RSD < 2 . 83 % ) and acceptable recovery ( from 92 . 78 to 105 . 37 % ) .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
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