Item Indicator Detection substrate Fe Detection time According to the type of test sample, usually it is about 25s. Optical system Palmer type - runge Rowland circle full spectrum vacuum type optical system Wavelength range 130 ~ 800nm Focal length 400mm Detector high-performance CCD array Electrode Tungsten material spray electrode Analytical gap Sample Stage An...

Overview Conradson Carbon Residue Apparatus conforms to the ASTM D189 standard Test Method for Conradson Carbon Residue of Petroleum Products. This apparatus covers the determination of the amount of carbon residue left after evaporation and pyrolysis of an oil, and is intended to provide some indication of relative coke-forming propensities. This test method is general...

For plastic films, laminated films, fabrics, leather, solar cells, building materials and other materials, as well as the vapor permeability test of tableware, health, medical, textile and leather, and other fields of materials. Working Principle: Weigh method. Control test environment temperature, humidity, fixed humidity difference of sample in both sides; vapor go...