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At fortification levels of 0 . 05 , 0 . 1 , 0 . 5 and 1 . 0mgkg ( - 1 ) in apple , it was shown that recoveries were ranged from 91 . 1 % to 96 . 9 % with coefficient variation of the method ( CV % ) for repeatability ranged from 1 . 27 % to 4 . 77 % .
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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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