
Factory Supply CAS 7681-57-4 Sodium Pyrosulfite/Sodium Metabisulfite
Higher purity 98.5%min
Pure white
No caking in 2years
Low imputity
Description
We provide professional and high-quality complete Natamycine CAS 7681 93 8, VE, industry grade and solutions for various customers. Our company insists on operating in good faith and abiding by business ethics, which is the core concept we have always adhered to. Moreover, we have long been committed to creating a culture of integrity through continuous investment of resources and implementation of management in all aspects of activities and processes. Our quality control process ensures that our products meet or exceed industry standards. Our customer service team is available 24/7 to provide support and answer any questions our clients may have. We have continuously absorbed advanced scientific research results to meet customer needs, and fulfilled our quality commitments.
Description

COA
| Item | Standard |
| CONTENT (AS Na2S2O5) | 97% MIN |
| IRON (Fe) | 0.003%MAX |
| CLARITY | PASS |
| HEAVY METALS(As Pb) | 0.0005%MAX |
| ARSENIC | 0.0001%MAX |
| WATER INSOLUBLE | 0.05%MAX |
| PH VALUE | 4.0-4.6 |
Packing & Delivery
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Application
Sodium metabisulfite is a white or slightly yellow crystalline powder that is easily soluble in water and releases sulfur dioxide. In the food industry, it is often used as a preservative, bleaching agent and antioxidant to extend the shelf life of food by inhibiting the growth of microorganisms. For example, in dehydrated vegetables, dried fruits, juices and winemaking, it can effectively prevent oxidative browning and maintain color and flavor. In the field of water treatment, it is used to remove residual chlorine and heavy metal ions, and reacts with chlorine to generate harmless chlorides, protecting pipeline equipment and reducing environmental pollution. It is widely used in the papermaking and printing and dyeing industries. In addition, in the textile and printing and dyeing process, sodium metabisulfite is used as a desizing agent, bleaching aid and antioxidant regulator to help cotton, silk and other fabrics remove impurities, improve dyeing uniformity, and stabilize the dye solution to prevent color darkening. For example, in the wool bleaching process, it can gently remove color and improve the whiteness of the fabric.
Why you choose TNN



'Good quality comes 1st; assistance is foremost; business enterprise is cooperation' is our business enterprise philosophy which is regularly observed and pursued by our company for Factory Supply CAS 7681-57-4 Sodium Pyrosulfite/Sodium Metabisulfite. Our company knows that 'quality is life, integrity will be successful' profound connotation, in the achievement of enterprise development performance, we create a better future of sincere treatment and cooperation. Each of our quality objectives must include the degree of meeting the product quality requirements and the quality management system requirements.
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