High Quality HEDP 4Na, with the CAS number 3794 - 83 - 0, is a remarkable chemical product. It is a tetrasodium salt form of 1 - Hydroxy Ethylidene - 1,1 - Diphosphonic Acid (HEDP). The high - quality variant implies that it meets strict quality control standards, ensuring its purity and effectiveness in various applications.
In terms of physical properties, HEDP 4Na usually appears as a white crystalline powder or granules. It is highly soluble in water, which makes it convenient for different solution - based applications. The product has good chemical stability under normal conditions, but like many chemicals, it should be stored in a cool, dry place away from direct sunlight and sources of heat.
1. Water Treatment: HEDP 4Na is widely used in industrial water treatment. It can effectively prevent the formation of scale in water systems, such as cooling towers, boilers, and heat exchangers. By chelating metal ions like calcium, magnesium, and iron, it inhibits the precipitation of scale - forming salts, thereby improving the efficiency of water - based industrial processes and reducing maintenance costs.
2. Detergent Industry: In detergents, HEDP 4Na serves as a builder and a chelating agent. It enhances the cleaning power of detergents by softening the water and preventing the redeposition of dirt on the washed items. This helps in achieving cleaner and brighter laundry, dishes, and other surfaces.
3. Electroplating and Metal Surface Treatment: It can be used in electroplating processes to improve the quality of the coating. HEDP 4Na helps in forming a uniform and adherent metal layer on the substrate. In metal surface treatment, it can also act as a corrosion inhibitor, protecting metals from rust and other forms of corrosion.
1. Water Treatment: For cooling tower water treatment, the dosage of HEDP 4Na typically ranges from 5 - 20 ppm (parts per million). First, dissolve the required amount of HEDP 4Na in a small amount of water to form a concentrated solution. Then, slowly add this solution to the cooling water system while the system is in operation. Regularly monitor the water quality and adjust the dosage as needed.
2. Detergent Production: In the detergent industry, HEDP 4Na is usually added during the manufacturing process. The amount added depends on the type and formulation of the detergent. Generally, it can be added at a proportion of 1% - 5% by weight. Mix it thoroughly with other detergent ingredients to ensure uniform distribution.
3. Electroplating: In electroplating baths, the concentration of HEDP 4Na needs to be carefully controlled. Usually, it is added in the range of 10 - 50 g/L. First, dissolve the HEDP 4Na in the electroplating bath solution. Ensure proper agitation during the addition to achieve a homogeneous solution. Monitor the plating process parameters, such as current density and temperature, to optimize the plating results.
1. Cooling Tower in a Chemical Plant: A chemical plant was facing severe scale deposition in its cooling tower, which reduced the heat transfer efficiency and increased energy consumption. After using High Quality HEDP 4Na at a dosage of 15 ppm, the scale formation was significantly reduced. Over a period of six months, the energy consumption for cooling decreased by 12%, and the maintenance frequency was also reduced from once a month to once every three months.
2. Detergent Manufacturer: A detergent manufacturer introduced HEDP 4Na into its laundry detergent formula at a proportion of 3%. After market testing, consumers reported that the new detergent was more effective in removing tough stains and left the clothes softer and brighter. This led to an increase in product sales by 15% within a quarter.
3. Electroplating Workshop: An electroplating workshop was experiencing problems with uneven coating and poor adhesion in its zinc - plating process. By adding HEDP 4Na at a concentration of 30 g/L to the electroplating bath, the quality of the zinc coating improved significantly. The rejection rate of plated parts decreased from 10% to 2%, resulting in cost savings and improved customer satisfaction.
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