25603
AFM measurements of the force acting between silica surfaces in the presence of varied alkali - chloride salts and pH ' s elucidate the origin of the Hofmeister adsorption series and its reversal .
 Chemical: silica; Chemical: alkali - 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: silica; Chemical: alkali - chloride