The apparatus and method are useful, whether as part of {HEAD ~ an automated, robotic or manual system} for combinatorial organic synthesis or {TAIL ~ purification}  
for
The apparatus and method are useful , whether as part of { HEAD ~ an automated , robotic or manual system } for combinatorial organic synthesis or { TAIL ~ purification }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH