Identification and Spectrophotometric Method for Determination of the ${\beta}-Fluorine$ Compounds in Fluorides of Ethanol and its Ester

Ethanol 및 그 Ester의 Fluorine Derivatives중(中) ${\beta}$-체(體)의 확인(確認) 및 정량(定量)에 관(關)한 연구(硏究)

S-Benzylthiuronium chloride reacts with ethylene glycol, derived from hydrolysis of the fluorides, to produce a crystalline substances. Using this, the fluorides can be indentified by measuring melting point. And when the zirconium-alizarin solution reacts with ethylenefluoro hydrin or ${\beta}-fluoroethyl$ acetate, the red-violet color disappears to produce a yellow dye, which exhibits absorption maximum at about $530\;m{\mu}$ using the 250-microgram standard. Using these properties, the fluorine compounds can be determined conveniently by this method.