Each batch of nanoparticles is extensively characterized using techniques including SEM or TEM, XRD, COA, etc. In addition to ensuring that every batch of nanoparticles meets our stringent quality control requirements, customers are provided with batch-specific specification sheets containing representative SEM/TEM images,Coatings,dispersions, and solution pH. 20-30nm IrO2, 100-200nm Magnetic Iron Oxide Nanoparticles , Length 5-20um -Cooh Functionalized Multi Walled Carbon Nanotubes , Silver Nanoparticles ,80-100nm Spherical Silicon Nanoparticles . Customized & ISO certified & Factory prices & Worldwide shipping. The product will supply to all over the world, such as Europe, America, Australia,Madagascar, Senegal,Turkey, Tanzania.If you're planning to order small sample or larger quantities for your industrial or academic needs, please note that customization of parameters are also available, such as size, functionalities, SSA, packages,etc. Contact us get more info.