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