High Quality Sodium Ferrocyanide with the CAS number 13601 - 19 - 9 is a chemical compound that has gained significant attention in various industries. Chemically, it is represented by the formula Na₄[Fe(CN)₆]·xH₂O, where x can vary. The anhydrous form is a yellow crystalline solid, while the hydrated forms are also yellow but have different water - of - crystallization values.
It has a molecular weight that depends on the degree of hydration. The anhydrous form has a molecular weight of approximately 303.91 g/mol. Sodium Ferrocyanide is odorless and has a relatively high solubility in water, which makes it suitable for a variety of applications.
1. **Food Industry**: One of the primary uses of Sodium Ferrocyanide is in the food industry. It is used as an anti - caking agent in table salt. By preventing the salt from clumping together, it ensures that the salt remains free - flowing and easy to use. This is especially important for commercial salt products where consistent pouring and dosing are required.
2. **Photography**: In the field of photography, it is used in the development process. It can act as a reducing agent and help in the formation of stable images. It is also used in some photographic fixers to improve the quality and longevity of the developed images.
3. **Metal Industry**: Sodium Ferrocyanide is used in metal finishing processes. It can be used for metal surface treatment to prevent corrosion and improve the adhesion of coatings. In electroplating, it can act as a complexing agent, helping to control the deposition of metal ions on the substrate.
1. **Food Industry**: When using Sodium Ferrocyanide as an anti - caking agent in salt, it should be added in a strictly controlled amount. Usually, it is added at a ratio of a few parts per million. The compound should be thoroughly mixed with the salt to ensure uniform distribution. This can be achieved using industrial mixers.
2. **Photography**: In photography, the appropriate concentration of Sodium Ferrocyanide in the developing or fixing solution needs to be determined based on the specific photographic process and the type of film or paper being used. It should be dissolved in the solution carefully, following the recommended procedures and safety precautions.
3. **Metal Industry**: For metal finishing and electroplating, the compound should be added to the treatment baths at the correct concentration. The pH and temperature of the bath also need to be carefully controlled to ensure optimal performance. It is important to follow the industry - standard procedures for handling and adding the chemical.
1. **Salt Production Company**: A large - scale salt production company was facing issues with caking in their table salt products. After adding High Quality Sodium Ferrocyanide at the recommended concentration of 10 ppm, they noticed a significant improvement. The salt remained free - flowing during packaging and storage, and customer complaints about clumping reduced to almost zero. The company was able to maintain consistent product quality and increase customer satisfaction.
2. **Photographic Lab**: A professional photographic lab was using an outdated developing process that resulted in inconsistent image quality. By incorporating Sodium Ferrocyanide into their developing solution at a concentration of 5 g/L, they were able to achieve more stable and high - quality images. The contrast and sharpness of the developed photos improved, and the lab was able to attract more customers with its enhanced services.
3. **Metal Manufacturing Plant**: A metal manufacturing plant was experiencing corrosion issues on the surface of their products. They added Sodium Ferrocyanide to their metal finishing bath at a concentration of 20 g/L. The compound formed a protective layer on the metal surface, reducing corrosion rates significantly. This led to an increase in the lifespan of the metal products and a decrease in production costs due to less rework.
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