For particle size analysis system nanomaterials droplets angle calibration sheet, we must first distinguish between a particle or a secondary particle size of the particles were analyzed. Due to the strong inter-particle nanomaterials self-absorption properties of water droplets angle, aggregates of nanoparticles is inevitable, monodisperse system is very rare, both very different. An analysis granularity mainly electron microscopy intuitive observation, according to the size range required and the sample can be followed by scanning electron microscopy (SEM), transmission electron microscopy (TEM), scanning tunneling microscope (STM), atomic force microscopy (AFM) observation and intuitive to get single primary particle size and morphology of the particles. Because electron microscopy method is locally observed area, so water droplets angle calibration data, during the particle size distribution analysis, require the observation of numerous photos, particle size distribution obtained by software analysis statistics. Particle size analysis electron microscope in order to get the results are generally representative of the distribution of the actual sample is hard particles, for some in the strong electron beam instability and even decomposition of micro-nano particles, sample preparation difficult biological particles, microemulsion and other samples are hard to come by accurate results. Therefore, the test results are usually followed by the particle size analysis methods as a contrast to other results. Interface refers to the thickness of the transition zone about a few molecules of the two-phase contact, such as one for the gas phase, which is usually referred to as the interface surface. Strictly speaking, the surface should be liquid and solid interface between its saturated vapor, but the customary liquid or solid and air interface is called the surface of the liquid or solid. Common interface are: gas - liquid interface, gas - solid interface, liquid - liquid interface, the liquid - solid interface, solid - solid interface. Different contact angles and the surface tension of the calibration data, at the interface layer of molecules, on the one hand by the effect of the body with the same material elements, on the other hand by the nature of the role of the other phase different molecules of the substance, which force may not be mutually offset. Therefore, the interfacial tension is usually much smaller than the surface tension. Interfacial tension meter testing is generally liquid - liquid interfacial tension or liquid - gas surface tension. Droplets angle calibration sheet, drop angle, ShengDing instruments provided by the Dongguan Sheng Ding Precision Instrument Company. Dongguan Sheng Ding Precision Instrument Co., Ltd. (www.dgshengding.com) strong, credible, in Dongguan, Guangdong specialized instrumentation industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead ShengDing instrument and you hand into the brilliant, for a better future!