电导率,USEPA 直接测试法,方法 8160(电导率仪) (二) 度取决于囫囵系统中的许多因素,包括仪器、仪器的设定、挑选的电 极、校及时所用法的标准溶液。参阅所选的电极、仪器用法手册及标 为了去除氢氧根的影响,需要调整样品的 pH 值,步骤如下。 (1)向 50mL 水样中加入 4 滴溶液,水样变为粉红色。 (2...
in water with US EPA method 1622, USA. The occurrence of Cryptosporidium parvum or other pathogenic Cryptosporidium species in water must be known in order to assess risk and determine the treat... JL Sinclair - 《Journal of Aoac International》...
The DOCS Ⅱ Technology has achieved certification to both ASTM D7520 and EPA ALT 082 and is field proven to be cost effective and durable. The DOCS Ⅱ matches that of Method 9, to directly embrace the process of Method 9 observations, while adding forensic viability to the recorded ...
一个是定性，一个是定量
南京睿督公司专业提供EPA Method 24及欧盟指令Council Directive 1999/13/EC有机化合物测试,大多国家和组织对VOC的定义是指沸点低于或等于250℃的任何有机化合物,挥发到大气中的VOC用来指在涂料的使用过程中,挥发到大气中的溶剂和一些化学物质,这些物质会危害环境。咨询电话:025-8658 3475。
US EPA Method 552.3 was improved for analysis of haloacetic acids (HAAs). Based on liquid-liquid micro-extraction and acidic methanol derivatization technology from the existing US EPA method 552.3, study was made on the condition suitable for gas chromatography (GC) / mass spectrometry (MS) dete...
Simmons O D,Sobsey M D,Schaefer F W,et al.Evaluation of USEPA methods 1622 for detection of Cryptosporidium oocysts in stream waters. J ournal of American Water Works Association . 2001Simmons OD,Sobaey MD,Schader FW,et al. Evaluation of USEPA method 1622 for detection of Cryptosporidium ...
USEPA方法624.1验证应用.pdf,Solid Phase Micro Extraction of Flavor Compounds in Beer ANNE JUREK 验证USEPA 624.1 方法 应用文章 环境类 Authors 摘要 Anne Jurek 该应用将研究吹扫捕集与气相色谱和质谱(GC/MS )联用,用于分析工业 Applications Chemist 排放物和其他
methodheadspaceepabutylbenzenedichloropropanedichloroethene CD-ROM5021-1Revision0 December1996 METHOD5021 VOLATILEORGANICCOMPOUNDSINSOILSANDOTHERSOLIDMATRICES USINGEQUILIBRIUMHEADSPACEANALYSIS 1.0SCOPEANDAPPLICATION 1.1Method5021isageneralpurposemethodforthepreparationofvolatileorganic compounds(VOCs)insoils/sedimentsandsolidwa...
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:US EPA METHOD 8290 RECOVERY STANDARD SOLUTION (13C12, 99%) IN NONANE 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...