| Customization: | Available |
|---|---|
| CAS No.: | 7758-29-4 |
| Formula: | Na5o10p3 |
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| Parameter | Content (%) |
| Sodium Tripolyphosphate (STPP) | ≥ 98.0 |
| Moisture | ≤ 0.5 |
| Insoluble Matter | ≤ 0.1 |
| Heavy Metals (as Pb) | ≤ 0.001 |
| Fluoride (F) | ≤ 0.005 |
Food Processing Field
• Moisture Retainer: Sodium tripolyphosphate can bind with proteins to enhance their moisture retention, preventing water loss and thereby maintaining the juiciness and tenderness of food. For example, in meat processing, the addition of sodium tripolyphosphate can make meat products more tender and juicy, improving the texture.
• Quality Improver: It can improve the texture and structure of food. In seafood products, it can prevent shrimp or fish balls from becoming loose during processing and storage, maintaining their elasticity. In fruit juice beverages, it acts as an antioxidant to extend shelf life.
• pH Regulator: The aqueous solution of sodium tripolyphosphate is alkaline, which can adjust the pH of food to an appropriate range, thereby maintaining the stability and taste of the food.
• Preservative: It can inhibit the growth and reproduction of microorganisms, extend the shelf life of food, and prevent food spoilage.
Industrial Manufacturing Field
• Detergent Adjuvant: Sodium tripolyphosphate is one of the important adjuvants in synthetic detergents. It can soften water by removing hardness components such as calcium and magnesium ions, reducing the interference of hard water with detergents and enhancing their cleaning effectiveness. At the same time, it has a dispersing effect, which can disperse dirt and grease in water, preventing the redeposition of dirt on the surface of clothes or utensils, thereby enhancing the detergent's ability to remove stains.
• Water Treatment Agent: In industrial water treatment, sodium tripolyphosphate is commonly used as a scale inhibitor and corrosion inhibitor. It can form soluble chelates with metal ions such as calcium and magnesium in water, preventing these ions from depositing on the surface of pipes and equipment to form scale, thereby reducing equipment maintenance costs and extending the service life of equipment. In addition, it can form a protective film on the surface of metals, acting as a corrosion inhibitor to prevent metal corrosion.
Leather Industry
In the leather-making process, sodium tripolyphosphate can be used as a pre-tanning agent for the pre-treatment of leather to improve its properties.
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