餐饮业污水中动植物油测定的一种新方法.pdf

第23卷第7期
化学研究与应用
Vol23.No
2011年7月
Chemical Research and Application
July, 2011
文章编号:1004-1656(2011)07-0935-04
餐饮业污水中动植物油测定的一种新方法
李跃华2,范孟然2,汪学全2,杨志毅
(1.大理学院药学学院,云南大理671000;
2.云南大学化学科学与工程学院,云南昆明650091)
摘要:红外分光光度法是我国目前测定油类的标准方法,也是一种在对油含景测定中既能进行定性分析,又可
以进行定量分析的方法。但是该方法最高检出浓度低,对含油量较高的餐饮业废水需要稀释后才能进行测
定,此操作过程较繁琐,且大量消耗四氯化碳,对环境和人体均有不良影响。本研究在红外分光光度法的基础
上,提出了一种简便、快捷、高检出浓度的餐饮业污水中动植物油测定的方法:直接用待测定浓度的样品液制
作标准曲线,绘制出一条有高检测浓度的标准曲线,使含油量高的餐饮废水的测定在不需要稀释的操作下直
接快捷地测定,而且大大降低四氯化碳的使用量,达到快速测定和环保的目的。
关词:红外分光光度法;废水;动植物油;浓度
中日分类号:0657.33文獻标识码:A
A new method of determination for food industry vegetable and
animal oill in wastewater
LI Yue-hua, FAN Meng-ran", WANG Xue-quan, YANG Zhi-yi
(1. School of pharmacy, Danli University, Danli 671000, China
2. School of Chemical Science and Engineering, Yunnan University, Kunming 650091, China
Abstract: Infrared spectrophotometry is the standard method for determining the oil in China. At the same time, it is also an oil con-
tent measurement in both qualitative and uani ative analysis methods can be made. But this method has low limit of the highest test
concentration, h oil con ent of catering wase waer after dilution is required to e measued, procedure more cumbersome, mas
sive consumption of carbon tetrachloride, and wi have adverse effects on the environment and the human body, such as faults. In
this paper, a simple, fast and highly detectable concentrations of produced fluid samples method for determination of animal and
vegetable oils was proposed ased on infrared spectophotometry. The determined oil concentration curve of waste water as the stand
ard to be lined, draws the standard curve with higher est concentra ions limt. The oil concentration of catering waste water contai-
ming a high content was directly and quickly determined wthout need to dilute. This method not only realy reduce the consumption
of carbon tetrachloride, also achieve rapid analysis and environmental objectives.
Key words: infrared spectrophotometry; waste water; animal and vegetable oil;concentration
在水质监测过程中,油类是一项重要的监测面的油将会影响空气与水体表面氧的交换,而以
项目。这是由于两个方面的原因:首先,水体表各种状态存在于水中的油,被微生物氧化分解,从
收稿日期:2010-11-23;修回日期:2011-02-07
基金项目:云南省科技厅应用基础研究项目(2007EI73M)资助;云南大学自然科学研究项目(2007JIV01)资助
联系人简介:杨志殻(1961-),男,教授,研究方向应用化学研究。Email:yzy-669@163.com