bromine cyanide has been used for the potentiometric determination of sulphide , sulphite , thiocyanate , iodide , tin ( ii ) , arsenic ( iii ) , hydrazine hydrate , phenylhydrazine , 1,1-methylphenyldrazine and chloralhydrazine in glacial acetic acid and 1 : 1 acetic acid-acetic anhydride mixture , of thiourea , ethylthiourea , isopropylthiourea , benzylthiourea , alpha-phenylthiourea and o-tolythiourea in methanol , and of sodium methyl- , ethyl- , dimethyl- , diehtyl- and isopropyldithiocarbamates in ehtanol and acetonitrile media .
C0039958
thiourea
C0031505
phenylthiourea