USEPA Method 603 was modified and evaluated with newly established chromatographic conditions for the determination of acrolein, acrylonitrile, and acetonitrile. Method detection limits (MDLs) for the new chromatographic conditions were found to be equivalent to those previously specified in Method 603 ...
公司名称:CAMBRDG-ISO推荐 联系电话:978 749-8000 电子邮件:cilsales@isotope.com 国籍:美国 产品介绍:英文名称:EPA MODIFIED METHOD 8280 "STARTER KIT" 纯度:98% 备注:同位素 CB指数:79 网址:www.isotope.com 相关信息:全球销售网络产品目录(6598)用户评价 1...
Development and validation of a method for analysis of "dioxin-like" PCBs in environmental samples from the steel industry A method, previously used for determination of 2,3,7,8-substituted polychlorinated dibenzo- p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs), ha... E Aries,DR...
ORR was compared between treatment arms using the Miettinen and Nurminen method [23] stratified by predominant tumor histology (squamous vs. non-squamous). Based on the number of patients planned to be randomized (N = 148), the study had 81.7% power to detect a 20-percentage point ...
Modified USEPA Method 1694 for PPCPs in Watersdoi:AWWA WQTC71562最近,美国环境保护局(USEPA)发布了方法1694作为\n使用LC/ESI/MS/MS结合SPE技术的基于性能的筛选方法,\n适用于水,土壤,沉积物和生物固体中74种药品/个人护理产品(PPCP)的分析\n通过两次提取和四次分析.在方法1694中,使用同位素稀释校准\n对于...
According to the method, the silver ion modified amino silica gel is taken as a stationary phase to fill a chromatographic column, and base line separation of EPA and DHA is realized by changing the proportion of amino silica gel and silver nitrate, an elution system and the sampling amount....
Molecular fingerprinting of gasoline by a modified EPA 8260 gas chromatography-mass spectrometry method . Uhler RM, Healey EM, McCarthy KJ, Uhler AD, Stout SA . Int J Environ Anal Chem ( 2003 ) 83 1 .Uhler, R. M., Healey, E. M., McCarthy, K. J., Uhler, A. D. and Stout, S...
Interlaboratory Validation of US EPA Method 1603 (Modified mTEC) for Escherichia coli in Wastewater Effluentdoi:AWWA WQTC60597本幻灯片演示的目的是概述利益矩阵中评估方法1603绩效的信息;在参考矩阵中制定定量质量控制验收标准,以支持实验室性能的未来评估;并且,在相关矩阵中制定定量质量控制验收标准,以支持未来的...
Conducting and Evaluating Modified Method Acceptability Studies for USEPA Methods 1622 and 1623doi:AWWA WQTC57102美国环境保护局(USEPA)的1622和1623方法不同于美国以前的隐孢子虫和贾第虫检测方法\n他们使用改进的样品浓度,纯化和检测技术.同样重要的是,\n然而,这些方法的验证是否符合基于绩效的测量系统\n(PBMS...
SPLP and two semi-dynamic leaching (SDL) methods [American Nuclear Society (ANS)/American National Standards Institute (ANSI) 16.1 and EPA Method 1315 modified for organics] were used to assess leaching reduction of the S/S treatments to demonstrate a 90% reduction in total COC leaching, as ...