石油类和动植物油测定中萃取设备与脱水方法的改进  

Improvement of Extraction Apparatus and Dehydration Method on Determination of Petroleum /Animal and Vegetable Oils

作　　者：张雪容[1] 林燕春[1] 叶欣[1] 周丽娟 

机构地区：[1]广东省环境监测中心,广东广州510045 [2]广州市越秀区环境监测站,广东广州510170

出　　处：《中国环境监测》2011年第1期27-29,共3页Environmental Monitoring in China

摘　　要：对红外分光光度法测定水质石油类和动植物油中萃取设备和脱水方法进行改进,用采样-自动萃取联体装置来萃取样品,提高该方法操作规范化程度,解决了沙芯漏斗难清洗及交叉污染的问题;提高了样品前处理自动化程度,减少待测物质损失,提高方法精密度和准确度;减轻分析人员劳动强度,提高了工作效率;最大程度减少萃取过程四氯化碳对分析人员的毒害,能更好适应当今日益繁重的监测任务。Extraction apparatus and dehydration method of determination of petroleum/animal and vegetable oils by Infrared photometric method were improved.Samples were extracted by sampling-auto Extraction conjoined device prepared by author′s patent,resulted in increasing the operation standardization level,solving the difficult cleaning of sintered filter funnel and cross-contamination problems,increasing the automation of pretreatment,decreasing the sample loss,enhancing the sensitive and accurate,lowing labor intensity and increasing efficiency,farthest lowing the toxicity of CCl4 during extraction and suitable for heavy monitoring assignment.

关 键 词：石油类 改进 采样-自动萃取联体装置 

分 类 号：X832[环境科学与工程—环境工程]