20588
The CVAAS ( cold vapor atomic absorption spectroscopy ) method revealed that from the addition of HgCl2 ( 0 . 75 mu g ml ( - 1 ) ) during the bacterial exponential phase , ca .
 Chemical: HgCl2
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: HgCl2