Besides the formation of layers, {HEAD ~ the separation} of the sample can also be detected using {TAIL ~ the pH value} and temperature 
detected using
Besides the formation of layers , { HEAD ~ the separation } of the sample can also be detected using { TAIL ~ the pH value } and temperature
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH