4441
Absorbance decreased with the increase of methanol concentration in sample solution from 2 % to 40 % , while the standard curve became most linear when the sample solution contained 10 % methanol .
 methanol, methanol
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 methanol, methanol