8480
The salt substrates were a mixture of MgCl ( 2 ) . 6H ( 2 ) O with NaCl or a commercially available synthetic sea salt .
 Chemical: MgCl ( 2 ) . 6H ( 2 ) O; Chemical: NaCl
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: MgCl ( 2 ) . 6H ( 2 ) O; Chemical: NaCl