{TAIL ~ One phase}, amounting to {HEAD ~ 0.5 5.0 parts} per 100 parts of the other phase, consists of an aqueous solution of sodium hydroxide whose concentration is in the range of 25 to 55 percent by weight 
{ TAIL ~ One phase } , amounting to { HEAD ~ 0.5 5.0 parts } per 100 parts of the other phase , consists of an aqueous solution of sodium hydroxide whose concentration is in the range of 25 to 55 percent by weight
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH