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The electrogenerated H ( 2 ) was also shown to be able to reductively remove the thiol SAM from the Pt / Ir particles that decorate the microelectrode glass sheath .
 Chemical: H ( 2 ); Chemical: Pt; Chemical: Ir
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: H ( 2 ); Chemical: Pt; Chemical: Ir