washing the resulting arylalkyliodonium salt with {HEAD ~ a sufficient amount} of water to eliminate alkali metal or alkaline earth metal organic sulfonic acid salts from {TAIL ~ the resulting arylalkyliodonium polyfluoro metalloid iodonium salt}, 
washing the resulting arylalkyliodonium salt with { HEAD ~ a sufficient amount } of water to eliminate alkali metal or alkaline earth metal organic sulfonic acid salts from { TAIL ~ the resulting arylalkyliodonium polyfluoro metalloid iodonium salt } ,
OTH OTH OTH 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 TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH