General Reagent High Purity Reagent Chromatography Applications Analytical standard Synthetic block Synthetic reagent Materials Chemistry Analytical reagent
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Inorganic liquid detection Medical detection Animal residue detection Environmental detection Pesticide residue detection Food detection Matrix detection Engineering Technology detection Steel detection Metal Material detection Detection of polymer materials Physical detection Chemical detection Geological detection Imported reference materials
>Experimental cleaning Elemental Analysis Biochemical Analysis Liquid chromatography Gas Chromatography Titration analysis infrared spectrum Other organisms
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Burner class Vessel and tube funnel Bottles Measuring instrument class Complete set of instruments Quartz products Filter class Standard oral class Vacuum Vessel Voltage regulator Centrifuge Ultraviolet analyzer
>Plastic products Tetrafluoride products Rubber and plastic products Silica gel products Ceramic Products Metal Products Enamel Products Filter paper products Thermometer Density hydrometer Chromatography Accessories Safety Protection
>Detector Analyzer Spectrometer Chromatograph Mass Spectrometer Detector Instrument system Machinery and equipment Other equipment
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NSI标准品描述： NSI公司创建于1982年，经营USEPA的参考材料项目，现在我们继续制造和验证这些参考材料，试剂及来自于水化学和微生物到固体测验样本应用。在我们的库存里有2500多种化学物质，以满足很多行业中众多的不同的测试要求。主要销售产品是大肠杆菌、肠球菌、氯检查标准剪刀。 NSI主要标准品包括： 饮用水、废水及土壤中的金属、矿物质、农药、除草剂、挥发性有机物。 官方网站： http://www.nsi-es.com/about-us.aspx |
