In particular, during exposure trials {HEAD ~ the exposure period} is increased until {TAIL ~ the applied heat} is sufficiently great to oxidize the suspension 14, resulting in a browning effect on the suspension 
is increased until
In particular , during exposure trials { HEAD ~ the exposure period } is increased until { TAIL ~ the applied heat } is sufficiently great to oxidize the suspension 14 , resulting in a browning effect on the suspension
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH