【Know Tungsten】Tungsten Oxide Inspection Equipment

1. Laser Particle Size Analyzer
Laser particle size analyzer is used for testing the particle size distribution for tungsten oxide.
Size range: 0.1~1000 micron
Acuracy: better than 1%
Repeatability: better than 1%
Voltage: 220+/-2V

2. Specific Surface Area Analyzer
Specific surface area analyzer is used for testing the BET of tungsten oxide.
Analysis of gas is He and N2.
Gas pressure is 0.1MPa~0.15MPa.
Repeatability RSD < 2%.

3. Scanning Electron Microscope
Scanning electron microscope is used for filming the appearance of tungsten oxide.
The magnification is 6x~1000000x, acceleration voltage is 0.1kV~30kV.
The picture pixels is 6144x4096 (maximum), can be saved in TIFF, BMP, JPEG format.
The sample size shall have diameter < =122mm, height < = 85mm.
The resolution is 3.0nm by 30kV.
The vacuum system is a molecular turbine pump + a mechanical pump.
The vacuum degree is minimum 1x10-5Pa.

4. Atomic Absorption Spectrophotometer
Atomic absorption spectrophotometer is used for the determination of impurity elements test of tungsten oxide.
The main parameters are: the wavelength range is 190~800nm.
The wavelength accuracy is < = +/-0.2nm.
The deuterium lamp, selp absorption of double background correction is >50 times.
The limit of detection is < = 1.0x10-12g, RSD: < = 2%.
The wavelength repeatability is all band < = +/-0.1nm. The resolution is better than 0.3nm.

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