The method 1, wherein {HEAD ~ acidic or basic auxiliary substances} are added in {TAIL ~ a proportion} of from 0.01 mol % to 5 mol % 
are added in
The method 1 , wherein { HEAD ~ acidic or basic auxiliary substances } are added in { TAIL ~ a proportion } of from 0.01 mol % to 5 mol %
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH