Cobalt oxide
Chinese name: Cobalt oxide
English name: cobalt oxide
Chinese name 2: Cobalt monoxide
English name 2: Cobaltous oxide
CAS No .: 1307-96-6
Molecular formula: CoO
Molecular weight: 74.93
Physical and chemical properties
Main ingredients: pure product
Appearance and properties: Usually gray powder, sometimes greenish brown crystals.
Melting point (℃): 1935
Boiling point (℃): Not available
Relative density (water = 1): 6.45
Solubility: Insoluble in water, soluble in acid, aqueous sodium hydroxide solution, etc.
Main application: Used for making paint pigment, ceramic glaze and cobalt catalyst.
Health hazards: May cause irritation symptoms of pharyngeal mucosa, followed by gastrointestinal irritation symptoms, may include vomiting and abdominal cramps, increased body temperature, calf weakness, etc. Non-occupational exposure causes polycythemia, cardiomyopathy, and goiter, which can cause dermatitis.
Explosion hazard: This product is non-flammable and irritating.
Using sodium dodecyl sulfate (SDS) as a template agent, ethylenediamine as an alkaline medium, cobalt oxide / sodium dodecyl sulfate composite mesoporous materials synthesized by hydrothermal method, and through XRD, IR, TG / DTA, Nitrogen adsorption and desorption, BET and TEM are used to characterize the crystal structure and surface properties of the material.
The study of the specific surface area of ​​cobalt oxide is very important. The detection data of the specific surface area of ​​cobalt oxide is only true when the results are detected by the BET method. There are many domestic instruments that can only be tested by the direct comparison method. Now it has been eliminated in China. . At present, the multi-point BET method is used uniformly for the specific surface area testing at home and abroad. The specific surface area measurement standards developed at home and abroad are based on the BET test method. Please refer to China's national standard (GB / T 19587-2004)-Gas adsorption BET principle Method for determining the specific surface area of ​​solid materials. The measurement of specific surface area is actually a time-consuming task. Due to the different adsorption capacity of the sample, the test of some samples may take a whole day. If the test process is not fully automated, then the tester ca n’t leave at all times. A high degree of concentration, observing the instrument panel, manipulating the knob, and a little inattention will lead to the failure of the test process, which will waste a lot of precious time of the tester. Only truly fully automated intelligent specific surface area tester products can meet the international standards of the test instrument industry. All similar international products are fully automated. Manually operated instruments have long been eliminated abroad. A truly fully automated intelligent specific surface area analyzer product frees testers from repeated mechanical operations, greatly reducing their work intensity, training is simple, and working efficiency is improved. The truly fully automated intelligent specific surface area analyzer product greatly reduces errors caused by human operations and improves test accuracy. Among several domestic manufacturers of specific surface area analyzers, only the F-Sorb 2400 specific surface area tester of Beijing Jinyi Spectrum Technology Co., Ltd. is an instrument that can truly realize the detection function of the BET method (both with a direct comparison method), and the more important Beijing Gold The F-Sorb 2400 specific surface area tester of Aipu Technology Co., Ltd. is the only fully automated intelligent specific surface area detection device in China so far. Its test results are in accordance with international consistency, its stability is also very good, and human errors are reduced. Improve the accuracy of test results.
1. Workstation: A must-have in a classic office environment. Modular and expandable workstation design can effectively help you plan your office environment. Modular design reduces various types of communication between office areas, saves time spent on mobility, and improves office efficiency.Multiple combinations according to your heart, meeting all your needs for the office environment.
2. CEO desk: A spacious desktop that effectively stores various required office files and allows you to plan your own desktop usage space. Front bezel design helps protect your security and privacy.
3. Boss desk: As the leader in the office. His desk is spacious and stylish, suitable for any office environment. Modern classic design allows you to strategize within the office and win thousands of miles away.
4. Computer desk: Modern offices are equipped with a computer, so a computer desk has emerged. A high-quality material desktop can support your computer well.
Isn't a high-quality desk appealing to you? It can be suitable for your office and take your work environment to the next level.
Workstation,Ceo Desk,Boss Desk,Computer Table
Foshan Shengshi Zhihui Technology Co., Ltd. , https://www.szhfurniture.com