分光光度法测定水样中乙二醇和甲醛的含量  

Determination of Ethylene Glycol and Formaldehyde Content in Water Sample by Sepectrophotometry

作　　者：石立超[1,2] 沈健[1] 杨鑫莉[2] 梁亮[2] 程丽华[2] 

机构地区：[1]辽宁石油化工大学,辽宁抚顺113001 [2]广东石油化工学院,广东茂名525000

出　　处：《当代化工》2014年第5期881-883,共3页Contemporary Chemical Industry

基　　金：中石化资助项目;项目号:31750000-13-zc0607-0023

摘　　要：建立了一种同时测定水样中乙二醇和甲醛含量的方法。采用品红-亚硫酸分光光度法，以乙二醇为标样，乙二醇含量在0.4～2.0μg/mL的范围内线性关系较好，R=0.9989，检出限为0.2μg/mL，平均回收率99.72%。该方法简便、可靠，可作为水样中乙二醇和甲醛的含量测定方法。A determination method of ethylene glycol and formaldehyde in water sample was established. A spectrophotometric method of magenta-sulphurous acid was used,ethylene glycol was used as the standard sample. The determination results show that, the linear relationship is good when ethylene glycol is between 0.4-2.0μg/mL,R=0.998 9, the detection limit is 0.2μg/mL, the average recovery is 99.72%;the method is simple, reliable and can be used in determination of ethylene glycol and formaldehyde in water sample.

关 键 词：分光光度法 乙二醇 甲醛 品红-亚硫酸 

分 类 号：O657[理学—分析化学]