Specific surface area

Specific surface area refers to the total surface area per unit mass of a material, measured by gas adsorption methods. It reflects the fineness of particles and pore structure, and is used to evaluate the adsorption performance and dispersibility of materials such as pigments and fillers.

Instruments

The static capacity method is used for testing, with a specific surface area ranging from 0.01 m2/g to no upper limit, and a pore size analysis of 3.5 to 5000 angstroms. The modular stainless steel gas circuit design ensures a high vacuum, and the metal dewar bottle maintains a constant temperature. It supports a variety of theoretical model calculations.

$ 23658.00

Using Dynamic Low Temperature Nitrogen Adsorption Method and High Sensitivity Sensor, the test range from 0.0005m ²/g has no upper limit, the repeatability error ≤ +/- 3%, and the single sample test is completed in about 3 minutes.

The static capacity method is used to test the principle, the aperture analytical range is 3.5 to 5000 angstroms, and it is equipped with a modular stainless steel vacuum gas circuit and a metal dewar bottle, which supports DFT and MC theoretical model calculations.

$ 28439.00

Dual gas source dynamic Gas chromatography, CG, 4 station design test efficiency, each sample only 5-7 minutes, measurement error ≤ +/- 1%, high Sensitivity Detector to ensure accurate and reliable data.

$ 10431.00

Modular stainless steel vacuum circuit design ensures high Vacuum Level, metal dewar bottle to maintain constant liquid nitrogen temperature. Equipped with High Accuracy Sensor and 22-bit AD converter, aperture analytical range 3.5 to 5000 Angstroms, support DFT and MC theoretical model calculations.

$ 18877.00

Measure the surface of paint film and putty film and the actual drying time, in line with GB/T1728 standard, the weight of the Tester is 200g, and the weight of the bottom area is 1cm ².

$ 96.00

50Ml volume stainless-steelbeaker body, equipped with hollow structure Balance hammer filled with lead particles to adjust the weight, in line with national standards designed to ensure measurement accuracy, suitable for a variety of liquid specific gravity detection.

$ 104.00

Made of stainless steel to ensure durability, equipped with hollow structure Balance hammer filled with lead particles to adjust weight, Cup volume 100ml in line with national standards design, suitable for a variety of liquid specific gravity determination.

$ 104.00

Made of stainless steel, the Cup has a volume of 50 ml and can withstand an internal pressure of 10.3 bar. It is suitable for the determination of specific gravity of various Coatings and auxiliary materials. It is easy to operate and meets international standards.

$ 127.00

Using copper nickel plating material, volume 37ml, in line with GB/T6750 standard, equilibrium hammer is hollow structure and filled with lead particles to adjust the weight, suitable for Coating and auxiliary materials, oil and other liquids specific gravity determination.

$ 104.00

The Water Absorbency of paper surface was measured by Cobb test method, the test area was 100cm ², the cylinder height was 50mm, the absorbent paper Basis Weight was 200~ 250g/m2, and the pressure roller mass was 10kg to ensure the accuracy of the test.

$ 640.00

The inner section area of the metal cylinder is 100 +/- 0.2cm ², and the test water consumption is 100mm +/- 5ml. It is suitable for the determination of Water Absorbency on the surface of sizing paper and Cardboard. The operation is simple and the results are accurate.

$ 544.00

The Cobb test method is used to determine the water absorption value per unit area, the test area is 100cm ², the cylinder height is 50mm, and it is equipped with Basis Weight 200-250g/m2 absorbent paper, which meets the requirements of ISO535 and GB/T1540 standards.

$ 434.00

With 60 ° Measurement Angles and 10 * 10mm Measuring Area, it supports 60 + readings per minute. Automatic calibration and IP65 Protection Rating ensure stability and durability.

$ 3212.00

Measurement beam of light diaMeter 1.5mm, measurement window 4mmx2mm, suitable for facet and curved surface measurement; single AA battery can work for more than 58 hours, compact and easy to carry.