4530
After failure of dispersive SPE clean - up with primary secondary amine , different solid phase extraction cartridges ( SPE ) were used to check the protecting capability of analytes against matrix interference .
 Chemical: primary secondary amine
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: primary secondary amine 
Answer:
 Chemical: primary secondary amine