GB/T 6020-2008 in English

《GB/T 6020-2008工业用丁二烯中特丁基邻苯二酚（TBC）的测定》由TC63（全国化学标准化技术委员会）归口，TC63SC4（全国化学标准化技术委员会石油化学分会）执行，主管部门为中国石油和化学工业联合会。
本标准规定了工业用丁二烯中特丁基邻苯二酚[即4��(1,1二甲基乙基)��1,2�脖蕉�酚]测定的分光光度法和高效液相色谱法。本标准分光光度法适用的测定范围为1 mg/kg~300 mg/kg,高效液相色谱法适用的测定范围为1mg/kg~250mg/kg。

Scope

This standard specifies the spectrophotometric and high performance liquid chromatography methods for the determination of tert-butylcatechol [ie 4-(1,1 dimethylethyl)-1,2-benzenediol] in butadiene for industrial use. The applicable measurement range of spectrophotometry in this standard is 1mg/kg-300mg/kg, and the applicable measurement range of high performance liquid chromatography is 1mg/kg-250mg/kg. This standard is not intended to address all safety issues associated with its use. Therefore, it is the user's responsibility to take appropriate safety and protection measures to ensure compliance with the relevant national laws and regulations.