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The RSD % of repeatability ranged from 1 . 9 % to 6 . 3 % , and the RSD % of intermediate precision ranged from 3 . 5 % to 9 . 2 % , while the limit of detection ( LOD ) was 0 . 02 mu gkg ( - 1 ) .
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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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