8794
Retention of standard compounds in the presence of different CDs and CD polymers has been realised by static headspace gas chromatography ( SH - GC ) at 25 degrees C in the aqueous or gaseous phase .
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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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