1.1 Scope

It is mainly used in mineral processing, physics, chemistry, biology and other disciplines; it has been widely used in the research and measurement of the thinning kinetics and thinning mechanism of liquid film between particles and bubbles.

1.2 Instrument parameters

Instrument model: DWFA

The technical indicators are: film thickness measurement range: 5 ~ 6000nm;

Thickness resolution: 0.2nm;

Image acquisition rate: 400fps@1980x256pixels

1.3 Sample preparation

The sample tank and needle tube used in the experiment should be cleaned and free of impurities. According to the experimental conditions, different concentrations and different types of solutions were prepared, and glass sheets with different degrees of hydrophobicity were prepared.

1.4 Instrument pictures

1.1 Scope

Mainly used in geology, petroleum, physics, materials and other disciplines; currently, scanning probe microscopy imaging technology can be realized.

1.2 Instrument parameters

Instrument model: Biscope Catalyst

The technical indicators are: the scanning range of the scanner in the XY direction is greater than 150 microns, and the Z direction is greater than 20 microns

1.3 Sample preparation

Gas-liquid substrate sample requirements:

Flake solid, the surface roughness of the sample is in the nanometer level;

The thickness of the sample is uniform, less than 5 mm; the maximum feature length of the plane is about 20 mm.

Gas-liquid colloid probe sample requirements:

The particle size of solid particles is less than 50 microns, and the properties are uniform and stable. Note: no decomposition under liquid phase conditions.

1.4 Instrument pictures

1.1 Scope

Mainly used in mechanics, physics, chemistry, materials science, mining engineering technology, energy science and technology and other disciplines; at present, scanning probe microscope imaging technology can be realized.

1.2 Instrument parameters

Instrument model: Multimode 8

The technical indicators are:

(1) Scanner: The scanning range in the XY direction is not less than 90um, and the Z direction is not less than 7um

(2) Scanner noise (resolution): RMS < 0.5 A (vertical direction), RMS < 1.2 nm (XY direction)

(3) Scanning method: The scanning method of probe scanning is adopted, and there is a closed-loop system, which can accurately locate.

(4) Optical system, the visible area is not less than 200 microns to 1200 microns, automatic focusing and zooming, and the optical resolution is not less than 750nm_o

1.3 Sample preparation

Gas Scan Sample Requirements:

Flake-like solid with nanometer roughness; the sample thickness is uniform, less than 3mm, and the maximum characteristic length of the plane is less than 15mm_o

Measurement of liquid mechanical properties:

Flake solid with nanometer roughness (the smaller the better); the thickness of the sample is uniform and less than 3mm, the most characteristic length of the plane is 11-15mm, and the powder particle is less than 50 u m. If there are special samples, such as outstanding electrical and magnetic properties Wait, please consult first.

1.4 Instrument pictures

1.1 Scope

Mainly used in chemistry, mining engineering technology, energy science and technology, chemical engineering and other disciplines; it has been widely used in real-time monitoring of foaming volume changes, and automatically gives the foaming half-life.

1.2 Instrument parameters

Instrument model: Foamscan

The technical indicators are: two foaming methods, accurate flow, automatic cleaning, constant temperature control, simple operation, reliable data

1.3 Sample preparation

The flow range is 0.1 ~ 500ml/min, the accuracy is 0.5% of the full scale; the sample volume is 40ml. For foaming by stirring method, a mechanical stirring paddle must be used. The maximum speed of the stirring paddle is 5000rpm. The sample stirring chamber and the foam chamber are two connected cavities. The sample volume is 150ml; it can measure samples containing certain solid microparticles. External temperature-controlled water bath, the temperature range from room temperature to 85P.

1.4 Instrument pictures

1.1 Scope

Mainly used in petroleum, chemical industry, colloidal interface chemistry, biology, material science and other disciplines; it has been widely used in the measurement of elastic modulus, hardness, fracture toughness, viscoelasticity and nanoindentation of micron and nanoscale materials.

1.2 Instrument parameters

Instrument model: FT-MTA02

The technical indicators are: probe opening: 0 ~ 30pm; driving voltage: 0 ~ 110V;

Force measurement range: ±100uN; resolution: 0.005°N; operating temperature: 5 ~ 40P; humidity range: 0 ~ 80%.

1.3 Sample preparation

The sample is stable and non-corrosive; particle diameter: 10-100 microns;

Force measurement range: ±100uN; Resolution: 0.005 uN.

1.4 Instrument pictures