25433
The effect of sodium alginate and calcium chloride concentration on immobilization was studied and it was found that the optimal sodium alginate and calcium chloride concentration was 3 . 0 % and 0 . 2M , respectively .
 Chemical: sodium; Chemical: calcium chloride; Chemical: sodium; Chemical: calcium chloride
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: sodium; Chemical: calcium chloride; Chemical: sodium; Chemical: calcium chloride