Cadmium chloride powder is a white crystalline, hygroscopic, easily soluble in water, slightly soluble in alcohol, commonly used in the preparation of cadmium sulphide, organic cadmium compounds, as well as printing and dyeing, electroplating and other industries have applications and a certain degree of danger of inorganic compounds.<\/p>\n
Properties<\/p>\n
Chemical formula: CdCl\u2082, composed of cadmium and chlorine elements<\/p>\n
Chemical bonding properties: Although it is considered an ionic compound, it has strong covalent bonding properties.<\/p>\n
Appearance: Milky white free-flowing crystalline powder.<\/p>\n
Density: 4.047 g\/cm\u00b3.<\/p>\n
Melting point: 568\u00b0C<\/p>\n
Boiling point: 964\u00b0C<\/p>\n
Solubility: soluble in water, water solubility is 1400g\/L at 20\u2103; slightly soluble in alcohol, insoluble in ether.<\/p>\n
Crystal structure: belongs to the tripartite crystal system, the space group is R3m.<\/p>\n
Vapour pressure: 33900mmHg at 25\u00b0C.<\/p>\n
Applications<\/p>\n
Printing and dyeing industry: Used as printing and dyeing auxiliary, it can help to improve the printing and dyeing effect, make the dyestuff adhere to the fabric better, and improve the colour and firmness of printing and dyeing.<\/p>\n
Photographic industry: Used as an agent in the manufacture of copy paper and photographic paper. In the production process of these products, cadmium chloride can play a role in regulating the chemical properties, enhance the photographic properties and so on, so as to ensure the quality of copy paper and photographic paper.<\/p>\n
Electroplating industry: used in the preparation of electroplating solution. In the electroplating process, cadmium chloride can be added to the plating solution as an additive to improve the performance of the plating layer, such as improving the gloss, hardness and corrosion resistance of the plating layer.<\/p>\n
Optical instrument industry: used as a lightening agent for the manufacture of special mirrors. It can increase the reflectivity and clarity of mirrors and make them have better performance in optical instruments.<\/p>\n
Analytical chemistry field: It is used to absorb hydrogen sulfide when analysing sulfide, preventing hydrogen sulfide from interfering with the analysis process.
\nDetection of pyridine group, play a role in the detection and analysis of pyridine group.<\/p>\n","protected":false},"excerpt":{"rendered":"
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