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ABT-9000 dynamic light scattering nano laser particle size analyzer is a project which Angstrom Advanced introduced research results and carries out with them together. The principle is when nano particles are scattered in medium, because of Brownian Motion of liquid molecular, nano particles are impacted and doing irregular movement, the smaller the particle is, the faster the movement is, so the range is bigger; the bigger the particle is, the slower the movement is, so the range is smaller. When nano particles are illuminated by laser beams, the pulsatile signals of scattered light will be generated, the change rate of optical signal? s intensity has some connection with particles? motion state ( speed and range) , that is, has some connection with particle diameter, photomultiplier receives these pulsatile signals of scattered light, transform them into electric signals, and process by digital correlator, identify validated dynamic light scattering signals, and then use inversion processing of software, equation of Stokes Einstein, calculate the nano particle diameter and its particle size distribution.
Features
High accuracy and repeatability: the error of accuracy and repeatability are much less than the allowable error through testing Standard Sample. The error of accuracy and repeatability are all less than 3% , other indexes are up to the International Standard ISO 13321 Fast testing: just spend less than 5 minutes testing sample and getting an accurate result A precise temperature control system: temperature control precision of 0.2 C to ensure accuracy of test High precision photomultiplier ( PMT) : imported photomultiplier ( PMT) , high sensitivity, high-speed, stable performance, precise recognition of each photon High performance photon correlator: adopt photon correlator which developed by large scale integrated circuit DSP , multichannel, high-speed, identify photon signal of different particle size effectively Functional software: user-friendly interface makes operation easily, animation display. The software also has multi-language function, 17 languages switch easily; convert test report into the format of Excel, Word, etc; also the software integrates a test report edit function
Application
Nano metallic oxide, Nano metallic powder, Nano ceramic material, protein, polymer latex, preparation of pharmaceutical, water/ oil emulsion, paint, coating material, pigment, ink, toner, cosmetics and other fields of research, preparation and application of nano material
Specifications Size range 1nm^ 9500nm in connection with sample Repeatability < 3% ( CRM D50) Testing time d5 minutes each time Concentration 0.1mg/ ml ^ 100mg/ ml in connection with sample Angle of scattering 90 Detecting unit PMT photomultiplier Laser source 20 mW, 635 nm solid fiber laser Computer Interface USB 2.0 Tank capacity 0.5ml, 5ml Temperature range of tank 15 ^ 65 Correlator 200 pcs physical channels, 1-5uS dynamic sampling time and defer time Dimension and weight 486 x 306 x 223 ( mm) 13kg Environmental conditions 5 C ^ 35 C System software compatible Windows XP Windows7 Computer and operating system universal automatic computer which run Windows XP Printer stylus, ink or laser printer that can work with Windows Operating System
